                         SEQUENCE LISTING

<110>  Ab Therapeutics, Inc.
 
<120>  MULTISPECIFIC ANTIBODIES AND USES THEREOF

<130>  49256-0006WO1

<140>  PCT/US2021/059528
<141>  2021-11-16

<150>  63/114,495
<151>  2020-11-16

<160>  96    

<170>  PatentIn version 3.5

<210>  1
<211>  10
<212>  PRT
<213>  Artificial

<220>
<223>  CDR sequence of Claudin 18.2 VHH

<400>  1

Gly Asp Arg Phe Ser Ser Tyr Ala Met Gly 
1               5                   10  


<210>  2
<211>  17
<212>  PRT
<213>  Artificial

<220>
<223>  CDR sequence of Claudin 18.2 VHH

<400>  2

Ala Val Ser Trp Ser Gly Arg Ile Thr Asp Tyr Ala Asp Ser Val Lys 
1               5                   10                  15      


Gly 
    


<210>  3
<211>  9
<212>  PRT
<213>  Artificial

<220>
<223>  CDR sequence of Claudin 18.2 VHH

<400>  3

Tyr Ala Asn Leu Leu Trp Arg Asp His 
1               5                   


<210>  4
<211>  10
<212>  PRT
<213>  Artificial

<220>
<223>  CDR sequence of Claudin 18.2 VHH

<400>  4

Gly Phe Thr Phe Ser Asn Tyr Ala Met Tyr 
1               5                   10  


<210>  5
<211>  17
<212>  PRT
<213>  Artificial

<220>
<223>  CDR sequence of Claudin 18.2 VHH

<400>  5

Val Ile Ser Gly Gly Gly Gly Val Ile Ser Tyr Ala Asp Ser Val Lys 
1               5                   10                  15      


Gly 
    


<210>  6
<211>  12
<212>  PRT
<213>  Artificial

<220>
<223>  CDR sequence of Claudin 18.2 VHH

<400>  6

Asn Ala Gln Ser Ala Val Trp Trp Glu Asn Asp Tyr 
1               5                   10          


<210>  7
<211>  10
<212>  PRT
<213>  Artificial

<220>
<223>  CDR sequence of Claudin 18.2 VHH

<400>  7

Gly Leu Thr Phe Ser Leu Tyr Asp Met Gly 
1               5                   10  


<210>  8
<211>  16
<212>  PRT
<213>  Artificial

<220>
<223>  CDR sequence of Claudin 18.2 VHH

<400>  8

Thr Ile Thr Ser Ser Gly Asn Thr Gly Tyr Ala Glu Ser Val Lys Gly 
1               5                   10                  15      


<210>  9
<211>  6
<212>  PRT
<213>  Artificial

<220>
<223>  CDR sequence of Claudin 18.2 VHH

<400>  9

Tyr Val Pro Phe Leu Gly 
1               5       


<210>  10
<211>  10
<212>  PRT
<213>  Artificial

<220>
<223>  CDR sequence of Claudin 18.2 VHH

<400>  10

Gly Ala Ala Leu Ser Ser Tyr Thr Met Gly 
1               5                   10  


<210>  11
<211>  17
<212>  PRT
<213>  Artificial

<220>
<223>  CDR sequence of Claudin 18.2 VHH

<400>  11

Ala Ile Ser Trp Gly Gly Ser Ile Thr Trp Tyr Ala Asp Ser Val Lys 
1               5                   10                  15      


Gly 
    


<210>  12
<211>  15
<212>  PRT
<213>  Artificial

<220>
<223>  CDR sequence of Claudin 18.2 VHH

<400>  12

His Ala Glu Gly Gln Phe Gly Ala Leu Ser Tyr Pro Lys Asp Tyr 
1               5                   10                  15  


<210>  13
<211>  10
<212>  PRT
<213>  Artificial

<220>
<223>  CDR sequence of CD3 VH

<400>  13

Gly Tyr Thr Phe Thr Ser Tyr Thr Met His 
1               5                   10  


<210>  14
<211>  17
<212>  PRT
<213>  Artificial

<220>
<223>  CDR sequence of CD3 VH

<400>  14

Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe Lys 
1               5                   10                  15      


Asp 
    


<210>  15
<211>  12
<212>  PRT
<213>  Artificial

<220>
<223>  CDR sequence of CD3 VH

<400>  15

Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr 
1               5                   10          


<210>  16
<211>  10
<212>  PRT
<213>  Artificial

<220>
<223>  CDR sequence of CD3 VL

<400>  16

Arg Ala Ser Ser Ser Val Ser Tyr Ile His 
1               5                   10  


<210>  17
<211>  7
<212>  PRT
<213>  Artificial

<220>
<223>  CDR sequence of CD3 VL

<400>  17

Ala Thr Ser Asn Leu Ala Ser 
1               5           


<210>  18
<211>  9
<212>  PRT
<213>  Artificial

<220>
<223>  CDR sequence of CD3 VL

<400>  18

Gln Gln Trp Thr Ser Asn Pro Pro Thr 
1               5                   


<210>  19
<211>  116
<212>  PRT
<213>  Artificial

<220>
<223>  Claudin 18.2 VHH sequence

<400>  19

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Thr Ala Ser Gly Asp Arg Phe Ser Ser Tyr 
            20                  25                  30          


Ala Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Phe Val 
        35                  40                  45              


Ala Ala Val Ser Trp Ser Gly Arg Ile Thr Asp Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asp Thr Val Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Asn Leu Lys Pro Glu Asp Thr Ser Val Tyr Tyr Cys 
                85                  90                  95      


Tyr Ala Asn Leu Leu Trp Arg Asp His Trp Gly Gln Gly Thr Leu Val 
            100                 105                 110         


Thr Val Ser Ser 
        115     


<210>  20
<211>  119
<212>  PRT
<213>  Artificial

<220>
<223>  Claudin 18.2 VHH sequence

<400>  20

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asn Tyr 
            20                  25                  30          


Ala Met Tyr Trp Val Arg Gln Ala Pro Gly Lys Gly Pro Glu Trp Val 
        35                  40                  45              


Ser Val Ile Ser Gly Gly Gly Gly Val Ile Ser Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Thr Met Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Lys Pro Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Asn Ala Gln Ser Ala Val Trp Trp Glu Asn Asp Tyr Trp Gly Gln Gly 
            100                 105                 110         


Thr Gln Val Thr Val Ser Ser 
        115                 


<210>  21
<211>  112
<212>  PRT
<213>  Artificial

<220>
<223>  Claudin 18.2 VHH sequence

<400>  21

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Phe Ser Leu Tyr 
            20                  25                  30          


Asp Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Trp Val 
        35                  40                  45              


Ala Thr Ile Thr Ser Ser Gly Asn Thr Gly Tyr Ala Glu Ser Val Lys 
    50                  55                  60                  


Gly Arg Phe Thr Val Ser Arg Asp Asn Gly Lys Lys Thr Gly Tyr Leu 
65                  70                  75                  80  


Gln Thr Asn Asn Leu Lys Pro Glu Asp Thr Ala Leu Tyr Tyr Cys Tyr 
                85                  90                  95      


Val Pro Phe Leu Gly Arg Gly Tyr Gly Thr Leu Val Thr Val Ser Ser 
            100                 105                 110         


<210>  22
<211>  122
<212>  PRT
<213>  Artificial

<220>
<223>  Claudin 18.2 VHH sequence

<400>  22

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Val Val Gln Thr Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Thr Cys Glu Ile Ser Gly Ala Ala Leu Ser Ser Tyr 
            20                  25                  30          


Thr Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Phe Val 
        35                  40                  45              


Ala Ala Ile Ser Trp Gly Gly Ser Ile Thr Trp Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Thr Val Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Lys Pro Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


His Ala Glu Gly Gln Phe Gly Ala Leu Ser Tyr Pro Lys Asp Tyr Trp 
            100                 105                 110         


Gly Gln Gly Thr Gln Val Thr Val Ser Ser 
        115                 120         


<210>  23
<211>  119
<212>  PRT
<213>  Artificial

<220>
<223>  CD3 VH sequence

<400>  23

Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr 
            20                  25                  30          


Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile 
        35                  40                  45              


Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly 
            100                 105                 110         


Thr Thr Leu Thr Val Ser Ser 
        115                 


<210>  24
<211>  106
<212>  PRT
<213>  Artificial

<220>
<223>  CD3 VL sequence

<400>  24

Gln Ile Val Leu Ser Gln Ser Pro Ala Ile Leu Ser Ala Ser Pro Gly 
1               5                   10                  15      


Glu Lys Val Thr Met Thr Cys Arg Ala Ser Ser Ser Val Ser Tyr Ile 
            20                  25                  30          


His Trp Phe Gln Gln Lys Pro Gly Ser Ser Pro Lys Pro Trp Ile Tyr 
        35                  40                  45              


Ala Thr Ser Asn Leu Ala Ser Gly Val Pro Val Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Ser Tyr Ser Leu Thr Ile Ser Arg Val Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Thr Ser Asn Pro Pro Thr 
                85                  90                  95      


Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210>  25
<211>  15
<212>  PRT
<213>  Homo sapiens

<400>  25

Glu Pro Lys Ser Cys Asp Lys Thr His Thr Cys Pro Pro Cys Pro 
1               5                   10                  15  


<210>  26
<211>  15
<212>  PRT
<213>  Artificial

<220>
<223>  Fc hinge sequence

<400>  26

Gly Gly Gly Gly Ser Asp Lys Thr His Thr Cys Pro Pro Cys Pro 
1               5                   10                  15  


<210>  27
<211>  15
<212>  PRT
<213>  Artificial

<220>
<223>  Fc hinge sequence

<400>  27

Glu Pro Lys Ser Ser Asp Lys Thr His Thr Cys Pro Pro Cys Pro 
1               5                   10                  15  


<210>  28
<211>  10
<212>  PRT
<213>  Artificial

<220>
<223>  Fc hinge sequence

<400>  28

Asp Lys Thr His Thr Cys Pro Pro Cys Pro 
1               5                   10  


<210>  29
<211>  16
<212>  PRT
<213>  Artificial

<220>
<223>  Fc hinge sequence

<400>  29

Ser Thr Met Val Arg Ser Asp Lys Thr His Thr Cys Pro Pro Cys Pro 
1               5                   10                  15      


<210>  30
<211>  217
<212>  PRT
<213>  Artificial

<220>
<223>  Fc region sequence with knob mutations

<400>  30

Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys 
1               5                   10                  15      


Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val 
            20                  25                  30          


Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr 
        35                  40                  45              


Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu 
    50                  55                  60                  


Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His 
65                  70                  75                  80  


Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys 
                85                  90                  95      


Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln 
            100                 105                 110         


Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Tyr Arg Glu Glu Met 
        115                 120                 125             


Thr Lys Asn Gln Val Ser Leu Tyr Cys Leu Val Lys Gly Phe Tyr Pro 
    130                 135                 140                 


Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn 
145                 150                 155                 160 


Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu 
                165                 170                 175     


Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val 
            180                 185                 190         


Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln 
        195                 200                 205             


Lys Ser Leu Ser Leu Ser Pro Gly Lys 
    210                 215         


<210>  31
<211>  217
<212>  PRT
<213>  Artificial

<220>
<223>  Fc region sequence hole mutations

<400>  31

Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys 
1               5                   10                  15      


Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val 
            20                  25                  30          


Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr 
        35                  40                  45              


Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu 
    50                  55                  60                  


Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His 
65                  70                  75                  80  


Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys 
                85                  90                  95      


Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln 
            100                 105                 110         


Pro Arg Glu Pro Glu Val Tyr Thr Leu Pro Pro Ser Arg Glu Glu Met 
        115                 120                 125             


Thr Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro 
    130                 135                 140                 


Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn 
145                 150                 155                 160 


Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu 
                165                 170                 175     


Thr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val 
            180                 185                 190         


Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln 
        195                 200                 205             


Lys Ser Leu Ser Leu Ser Pro Gly Lys 
    210                 215         


<210>  32
<211>  217
<212>  PRT
<213>  Artificial

<220>
<223>  Wildtype IgG1 Fc region

<400>  32

Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys 
1               5                   10                  15      


Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val 
            20                  25                  30          


Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr 
        35                  40                  45              


Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu 
    50                  55                  60                  


Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His 
65                  70                  75                  80  


Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys 
                85                  90                  95      


Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln 
            100                 105                 110         


Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser Arg Asp Glu Leu 
        115                 120                 125             


Thr Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro 
    130                 135                 140                 


Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn 
145                 150                 155                 160 


Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu 
                165                 170                 175     


Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val 
            180                 185                 190         


Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln 
        195                 200                 205             


Lys Ser Leu Ser Leu Ser Pro Gly Lys 
    210                 215         


<210>  33
<211>  98
<212>  PRT
<213>  Homo sapiens

<400>  33

Ala Ser Thr Lys Gly Pro Ser Val Phe Pro Leu Ala Pro Ser Ser Lys 
1               5                   10                  15      


Ser Thr Ser Gly Gly Thr Ala Ala Leu Gly Cys Leu Val Lys Asp Tyr 
            20                  25                  30          


Phe Pro Glu Pro Val Thr Val Ser Trp Asn Ser Gly Ala Leu Thr Ser 
        35                  40                  45              


Gly Val His Thr Phe Pro Ala Val Leu Gln Ser Ser Gly Leu Tyr Ser 
    50                  55                  60                  


Leu Ser Ser Val Val Thr Val Pro Ser Ser Ser Leu Gly Thr Gln Thr 
65                  70                  75                  80  


Tyr Ile Cys Asn Val Asn His Lys Pro Ser Asn Thr Lys Val Asp Lys 
                85                  90                  95      


Lys Val 
        


<210>  34
<211>  107
<212>  PRT
<213>  Homo sapiens

<400>  34

Arg Thr Val Ala Ala Pro Ser Val Phe Ile Phe Pro Pro Ser Asp Glu 
1               5                   10                  15      


Gln Leu Lys Ser Gly Thr Ala Ser Val Val Cys Leu Leu Asn Asn Phe 
            20                  25                  30          


Tyr Pro Arg Glu Ala Lys Val Gln Trp Lys Val Asp Asn Ala Leu Gln 
        35                  40                  45              


Ser Gly Asn Ser Gln Glu Ser Val Thr Glu Gln Asp Ser Lys Asp Ser 
    50                  55                  60                  


Thr Tyr Ser Leu Ser Ser Thr Leu Thr Leu Ser Lys Ala Asp Tyr Glu 
65                  70                  75                  80  


Lys His Lys Val Tyr Ala Cys Glu Val Thr His Gln Gly Leu Ser Ser 
                85                  90                  95      


Pro Val Thr Lys Ser Phe Asn Arg Gly Glu Cys 
            100                 105         


<210>  35
<211>  5
<212>  PRT
<213>  Artificial

<220>
<223>  Linker peptide

<400>  35

Gly Gly Gly Gly Ser 
1               5   


<210>  36
<211>  10
<212>  PRT
<213>  Artificial

<220>
<223>  Linker peptide

<400>  36

Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser 
1               5                   10  


<210>  37
<211>  15
<212>  PRT
<213>  Artificial

<220>
<223>  Linker peptide

<400>  37

Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser 
1               5                   10                  15  


<210>  38
<211>  20
<212>  PRT
<213>  Artificial

<220>
<223>  Linker peptide

<400>  38

Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gly 
1               5                   10                  15      


Gly Gly Gly Ser 
            20  


<210>  39
<211>  25
<212>  PRT
<213>  Artificial

<220>
<223>  Linker peptide

<400>  39

Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gly 
1               5                   10                  15      


Gly Gly Gly Ser Gly Gly Gly Gly Ser 
            20                  25  


<210>  40
<211>  30
<212>  PRT
<213>  Artificial

<220>
<223>  Linker peptide

<400>  40

Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gly 
1               5                   10                  15      


Gly Gly Gly Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser 
            20                  25                  30  


<210>  41
<211>  348
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V1 format

<400>  41

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Thr Ala Ser Gly Asp Arg Phe Ser Ser Tyr 
            20                  25                  30          


Ala Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Phe Val 
        35                  40                  45              


Ala Ala Val Ser Trp Ser Gly Arg Ile Thr Asp Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asp Thr Val Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Asn Leu Lys Pro Glu Asp Thr Ser Val Tyr Tyr Cys 
                85                  90                  95      


Tyr Ala Asn Leu Leu Trp Arg Asp His Trp Gly Gln Gly Thr Leu Val 
            100                 105                 110         


Thr Val Ser Ser Glu Pro Lys Ser Cys Asp Lys Thr His Thr Cys Pro 
        115                 120                 125             


Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe 
    130                 135                 140                 


Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val 
145                 150                 155                 160 


Thr Cys Val Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe 
                165                 170                 175     


Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro 
            180                 185                 190         


Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr 
        195                 200                 205             


Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val 
    210                 215                 220                 


Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala 
225                 230                 235                 240 


Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Tyr Arg 
                245                 250                 255     


Glu Glu Met Thr Lys Asn Gln Val Ser Leu Tyr Cys Leu Val Lys Gly 
            260                 265                 270         


Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro 
        275                 280                 285             


Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser 
    290                 295                 300                 


Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln 
305                 310                 315                 320 


Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His 
                325                 330                 335     


Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys 
            340                 345             


<210>  42
<211>  348
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V1 format

<400>  42

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Thr Ala Ser Gly Asp Arg Phe Ser Ser Tyr 
            20                  25                  30          


Ala Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Phe Val 
        35                  40                  45              


Ala Ala Val Ser Trp Ser Gly Arg Ile Thr Asp Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asp Thr Val Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Asn Leu Lys Pro Glu Asp Thr Ser Val Tyr Tyr Cys 
                85                  90                  95      


Tyr Ala Asn Leu Leu Trp Arg Asp His Trp Gly Gln Gly Thr Leu Val 
            100                 105                 110         


Thr Val Ser Ser Gly Gly Gly Gly Ser Asp Lys Thr His Thr Cys Pro 
        115                 120                 125             


Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe 
    130                 135                 140                 


Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val 
145                 150                 155                 160 


Thr Cys Val Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe 
                165                 170                 175     


Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro 
            180                 185                 190         


Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr 
        195                 200                 205             


Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val 
    210                 215                 220                 


Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala 
225                 230                 235                 240 


Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Tyr Arg 
                245                 250                 255     


Glu Glu Met Thr Lys Asn Gln Val Ser Leu Tyr Cys Leu Val Lys Gly 
            260                 265                 270         


Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro 
        275                 280                 285             


Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser 
    290                 295                 300                 


Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln 
305                 310                 315                 320 


Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His 
                325                 330                 335     


Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys 
            340                 345             


<210>  43
<211>  449
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 2 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V1 format

<400>  43

Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr 
            20                  25                  30          


Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile 
        35                  40                  45              


Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly 
            100                 105                 110         


Thr Thr Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe 
        115                 120                 125             


Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu 
    130                 135                 140                 


Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp 
145                 150                 155                 160 


Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu 
                165                 170                 175     


Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser 
            180                 185                 190         


Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro 
        195                 200                 205             


Ser Asn Thr Lys Val Asp Lys Lys Val Glu Pro Lys Ser Cys Asp Lys 
    210                 215                 220                 


Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro 
225                 230                 235                 240 


Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser 
                245                 250                 255     


Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp 
            260                 265                 270         


Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn 
        275                 280                 285             


Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val 
    290                 295                 300                 


Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu 
305                 310                 315                 320 


Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys 
                325                 330                 335     


Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Glu Val Tyr Thr 
            340                 345                 350         


Leu Pro Pro Ser Arg Glu Glu Met Thr Lys Asn Gln Val Ser Leu Thr 
        355                 360                 365             


Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu 
    370                 375                 380                 


Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu 
385                 390                 395                 400 


Asp Ser Asp Gly Ser Phe Phe Leu Thr Ser Lys Leu Thr Val Asp Lys 
                405                 410                 415     


Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu 
            420                 425                 430         


Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly 
        435                 440                 445             


Lys 
    


<210>  44
<211>  449
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 2 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V1 format

<400>  44

Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr 
            20                  25                  30          


Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile 
        35                  40                  45              


Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly 
            100                 105                 110         


Thr Thr Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe 
        115                 120                 125             


Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu 
    130                 135                 140                 


Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp 
145                 150                 155                 160 


Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu 
                165                 170                 175     


Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser 
            180                 185                 190         


Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro 
        195                 200                 205             


Ser Asn Thr Lys Val Asp Lys Lys Val Gly Gly Gly Gly Ser Asp Lys 
    210                 215                 220                 


Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro 
225                 230                 235                 240 


Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser 
                245                 250                 255     


Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp 
            260                 265                 270         


Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn 
        275                 280                 285             


Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val 
    290                 295                 300                 


Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu 
305                 310                 315                 320 


Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys 
                325                 330                 335     


Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Glu Val Tyr Thr 
            340                 345                 350         


Leu Pro Pro Ser Arg Glu Glu Met Thr Lys Asn Gln Val Ser Leu Thr 
        355                 360                 365             


Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu 
    370                 375                 380                 


Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu 
385                 390                 395                 400 


Asp Ser Asp Gly Ser Phe Phe Leu Thr Ser Lys Leu Thr Val Asp Lys 
                405                 410                 415     


Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu 
            420                 425                 430         


Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly 
        435                 440                 445             


Lys 
    


<210>  45
<211>  213
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 3 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V1 format

<400>  45

Gln Ile Val Leu Ser Gln Ser Pro Ala Ile Leu Ser Ala Ser Pro Gly 
1               5                   10                  15      


Glu Lys Val Thr Met Thr Cys Arg Ala Ser Ser Ser Val Ser Tyr Ile 
            20                  25                  30          


His Trp Phe Gln Gln Lys Pro Gly Ser Ser Pro Lys Pro Trp Ile Tyr 
        35                  40                  45              


Ala Thr Ser Asn Leu Ala Ser Gly Val Pro Val Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Ser Tyr Ser Leu Thr Ile Ser Arg Val Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Thr Ser Asn Pro Pro Thr 
                85                  90                  95      


Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys Arg Thr Val Ala Ala Pro 
            100                 105                 110         


Ser Val Phe Ile Phe Pro Pro Ser Asp Glu Gln Leu Lys Ser Gly Thr 
        115                 120                 125             


Ala Ser Val Val Cys Leu Leu Asn Asn Phe Tyr Pro Arg Glu Ala Lys 
    130                 135                 140                 


Val Gln Trp Lys Val Asp Asn Ala Leu Gln Ser Gly Asn Ser Gln Glu 
145                 150                 155                 160 


Ser Val Thr Glu Gln Asp Ser Lys Asp Ser Thr Tyr Ser Leu Ser Ser 
                165                 170                 175     


Thr Leu Thr Leu Ser Lys Ala Asp Tyr Glu Lys His Lys Val Tyr Ala 
            180                 185                 190         


Cys Glu Val Thr His Gln Gly Leu Ser Ser Pro Val Thr Lys Ser Phe 
        195                 200                 205             


Asn Arg Gly Glu Cys 
    210             


<210>  46
<211>  482
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V1 format

<400>  46

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asn Tyr 
            20                  25                  30          


Ala Met Tyr Trp Val Arg Gln Ala Pro Gly Lys Gly Pro Glu Trp Val 
        35                  40                  45              


Ser Val Ile Ser Gly Gly Gly Gly Val Ile Ser Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Thr Met Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Lys Pro Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Asn Ala Gln Ser Ala Val Trp Trp Glu Asn Asp Tyr Trp Gly Gln Gly 
            100                 105                 110         


Thr Gln Val Thr Val Ser Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly 
        115                 120                 125             


Ser Gly Gly Gly Gly Ser Gln Val Gln Leu Val Glu Ser Gly Gly Gly 
    130                 135                 140                 


Leu Val Gln Ala Gly Gly Ser Leu Lys Leu Ser Cys Thr Ala Ser Gly 
145                 150                 155                 160 


Asp Arg Phe Ser Ser Tyr Ala Met Gly Trp Phe Arg Gln Ala Pro Gly 
                165                 170                 175     


Lys Glu Arg Glu Phe Val Ala Ala Val Ser Trp Ser Gly Arg Ile Thr 
            180                 185                 190         


Asp Tyr Ala Asp Ser Val Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn 
        195                 200                 205             


Ala Lys Asp Thr Val Tyr Leu Gln Met Asn Asn Leu Lys Pro Glu Asp 
    210                 215                 220                 


Thr Ser Val Tyr Tyr Cys Tyr Ala Asn Leu Leu Trp Arg Asp His Trp 
225                 230                 235                 240 


Gly Gln Gly Thr Leu Val Thr Val Ser Ser Glu Pro Lys Ser Cys Asp 
                245                 250                 255     


Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly 
            260                 265                 270         


Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile 
        275                 280                 285             


Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu 
    290                 295                 300                 


Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His 
305                 310                 315                 320 


Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg 
                325                 330                 335     


Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys 
            340                 345                 350         


Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu 
        355                 360                 365             


Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr 
    370                 375                 380                 


Thr Leu Pro Pro Tyr Arg Glu Glu Met Thr Lys Asn Gln Val Ser Leu 
385                 390                 395                 400 


Tyr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp 
                405                 410                 415     


Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val 
            420                 425                 430         


Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp 
        435                 440                 445             


Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His 
    450                 455                 460                 


Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro 
465                 470                 475                 480 


Gly Lys 
        


<210>  47
<211>  477
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V1 format

<400>  47

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asn Tyr 
            20                  25                  30          


Ala Met Tyr Trp Val Arg Gln Ala Pro Gly Lys Gly Pro Glu Trp Val 
        35                  40                  45              


Ser Val Ile Ser Gly Gly Gly Gly Val Ile Ser Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Thr Met Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Lys Pro Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Asn Ala Gln Ser Ala Val Trp Trp Glu Asn Asp Tyr Trp Gly Gln Gly 
            100                 105                 110         


Thr Gln Val Thr Val Ser Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly 
        115                 120                 125             


Ser Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly 
    130                 135                 140                 


Gly Ser Leu Lys Leu Ser Cys Thr Ala Ser Gly Asp Arg Phe Ser Ser 
145                 150                 155                 160 


Tyr Ala Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Phe 
                165                 170                 175     


Val Ala Ala Val Ser Trp Ser Gly Arg Ile Thr Asp Tyr Ala Asp Ser 
            180                 185                 190         


Val Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asp Thr Val 
        195                 200                 205             


Tyr Leu Gln Met Asn Asn Leu Lys Pro Glu Asp Thr Ser Val Tyr Tyr 
    210                 215                 220                 


Cys Tyr Ala Asn Leu Leu Trp Arg Asp His Trp Gly Gln Gly Thr Leu 
225                 230                 235                 240 


Val Thr Val Ser Ser Gly Gly Gly Gly Ser Asp Lys Thr His Thr Cys 
                245                 250                 255     


Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu 
            260                 265                 270         


Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu 
        275                 280                 285             


Val Thr Cys Val Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys 
    290                 295                 300                 


Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys 
305                 310                 315                 320 


Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu 
                325                 330                 335     


Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys 
            340                 345                 350         


Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys 
        355                 360                 365             


Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Tyr 
    370                 375                 380                 


Arg Glu Glu Met Thr Lys Asn Gln Val Ser Leu Tyr Cys Leu Val Lys 
385                 390                 395                 400 


Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln 
                405                 410                 415     


Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly 
            420                 425                 430         


Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln 
        435                 440                 445             


Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn 
    450                 455                 460                 


His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys 
465                 470                 475         


<210>  48
<211>  449
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 2 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V1 format

<400>  48

Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr 
            20                  25                  30          


Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile 
        35                  40                  45              


Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly 
            100                 105                 110         


Thr Thr Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe 
        115                 120                 125             


Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu 
    130                 135                 140                 


Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp 
145                 150                 155                 160 


Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu 
                165                 170                 175     


Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser 
            180                 185                 190         


Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro 
        195                 200                 205             


Ser Asn Thr Lys Val Asp Lys Lys Val Glu Pro Lys Ser Cys Asp Lys 
    210                 215                 220                 


Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro 
225                 230                 235                 240 


Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser 
                245                 250                 255     


Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp 
            260                 265                 270         


Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn 
        275                 280                 285             


Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val 
    290                 295                 300                 


Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu 
305                 310                 315                 320 


Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys 
                325                 330                 335     


Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Glu Val Tyr Thr 
            340                 345                 350         


Leu Pro Pro Ser Arg Glu Glu Met Thr Lys Asn Gln Val Ser Leu Thr 
        355                 360                 365             


Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu 
    370                 375                 380                 


Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu 
385                 390                 395                 400 


Asp Ser Asp Gly Ser Phe Phe Leu Thr Ser Lys Leu Thr Val Asp Lys 
                405                 410                 415     


Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu 
            420                 425                 430         


Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly 
        435                 440                 445             


Lys 
    


<210>  49
<211>  449
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 2 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V1 format

<400>  49

Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr 
            20                  25                  30          


Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile 
        35                  40                  45              


Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly 
            100                 105                 110         


Thr Thr Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe 
        115                 120                 125             


Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu 
    130                 135                 140                 


Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp 
145                 150                 155                 160 


Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu 
                165                 170                 175     


Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser 
            180                 185                 190         


Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro 
        195                 200                 205             


Ser Asn Thr Lys Val Asp Lys Lys Val Gly Gly Gly Gly Ser Asp Lys 
    210                 215                 220                 


Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro 
225                 230                 235                 240 


Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser 
                245                 250                 255     


Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp 
            260                 265                 270         


Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn 
        275                 280                 285             


Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val 
    290                 295                 300                 


Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu 
305                 310                 315                 320 


Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys 
                325                 330                 335     


Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Glu Val Tyr Thr 
            340                 345                 350         


Leu Pro Pro Ser Arg Glu Glu Met Thr Lys Asn Gln Val Ser Leu Thr 
        355                 360                 365             


Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu 
    370                 375                 380                 


Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu 
385                 390                 395                 400 


Asp Ser Asp Gly Ser Phe Phe Leu Thr Ser Lys Leu Thr Val Asp Lys 
                405                 410                 415     


Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu 
            420                 425                 430         


Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly 
        435                 440                 445             


Lys 
    


<210>  50
<211>  213
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 3 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V1 format

<400>  50

Gln Ile Val Leu Ser Gln Ser Pro Ala Ile Leu Ser Ala Ser Pro Gly 
1               5                   10                  15      


Glu Lys Val Thr Met Thr Cys Arg Ala Ser Ser Ser Val Ser Tyr Ile 
            20                  25                  30          


His Trp Phe Gln Gln Lys Pro Gly Ser Ser Pro Lys Pro Trp Ile Tyr 
        35                  40                  45              


Ala Thr Ser Asn Leu Ala Ser Gly Val Pro Val Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Ser Tyr Ser Leu Thr Ile Ser Arg Val Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Thr Ser Asn Pro Pro Thr 
                85                  90                  95      


Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys Arg Thr Val Ala Ala Pro 
            100                 105                 110         


Ser Val Phe Ile Phe Pro Pro Ser Asp Glu Gln Leu Lys Ser Gly Thr 
        115                 120                 125             


Ala Ser Val Val Cys Leu Leu Asn Asn Phe Tyr Pro Arg Glu Ala Lys 
    130                 135                 140                 


Val Gln Trp Lys Val Asp Asn Ala Leu Gln Ser Gly Asn Ser Gln Glu 
145                 150                 155                 160 


Ser Val Thr Glu Gln Asp Ser Lys Asp Ser Thr Tyr Ser Leu Ser Ser 
                165                 170                 175     


Thr Leu Thr Leu Ser Lys Ala Asp Tyr Glu Lys His Lys Val Tyr Ala 
            180                 185                 190         


Cys Glu Val Thr His Gln Gly Leu Ser Ser Pro Val Thr Lys Ser Phe 
        195                 200                 205             


Asn Arg Gly Glu Cys 
    210             


<210>  51
<211>  348
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V2 format

<400>  51

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Thr Ala Ser Gly Asp Arg Phe Ser Ser Tyr 
            20                  25                  30          


Ala Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Phe Val 
        35                  40                  45              


Ala Ala Val Ser Trp Ser Gly Arg Ile Thr Asp Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asp Thr Val Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Asn Leu Lys Pro Glu Asp Thr Ser Val Tyr Tyr Cys 
                85                  90                  95      


Tyr Ala Asn Leu Leu Trp Arg Asp His Trp Gly Gln Gly Thr Leu Val 
            100                 105                 110         


Thr Val Ser Ser Glu Pro Lys Ser Cys Asp Lys Thr His Thr Cys Pro 
        115                 120                 125             


Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe 
    130                 135                 140                 


Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val 
145                 150                 155                 160 


Thr Cys Val Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe 
                165                 170                 175     


Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro 
            180                 185                 190         


Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr 
        195                 200                 205             


Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val 
    210                 215                 220                 


Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala 
225                 230                 235                 240 


Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Tyr Arg 
                245                 250                 255     


Glu Glu Met Thr Lys Asn Gln Val Ser Leu Tyr Cys Leu Val Lys Gly 
            260                 265                 270         


Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro 
        275                 280                 285             


Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser 
    290                 295                 300                 


Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln 
305                 310                 315                 320 


Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His 
                325                 330                 335     


Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys 
            340                 345             


<210>  52
<211>  348
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V2 format

<400>  52

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Thr Ala Ser Gly Asp Arg Phe Ser Ser Tyr 
            20                  25                  30          


Ala Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Phe Val 
        35                  40                  45              


Ala Ala Val Ser Trp Ser Gly Arg Ile Thr Asp Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asp Thr Val Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Asn Leu Lys Pro Glu Asp Thr Ser Val Tyr Tyr Cys 
                85                  90                  95      


Tyr Ala Asn Leu Leu Trp Arg Asp His Trp Gly Gln Gly Thr Leu Val 
            100                 105                 110         


Thr Val Ser Ser Gly Gly Gly Gly Ser Asp Lys Thr His Thr Cys Pro 
        115                 120                 125             


Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe 
    130                 135                 140                 


Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val 
145                 150                 155                 160 


Thr Cys Val Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe 
                165                 170                 175     


Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro 
            180                 185                 190         


Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr 
        195                 200                 205             


Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val 
    210                 215                 220                 


Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala 
225                 230                 235                 240 


Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Tyr Arg 
                245                 250                 255     


Glu Glu Met Thr Lys Asn Gln Val Ser Leu Tyr Cys Leu Val Lys Gly 
            260                 265                 270         


Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro 
        275                 280                 285             


Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser 
    290                 295                 300                 


Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln 
305                 310                 315                 320 


Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His 
                325                 330                 335     


Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys 
            340                 345             


<210>  53
<211>  472
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 2 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V2 format

<400>  53

Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr 
            20                  25                  30          


Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile 
        35                  40                  45              


Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly 
            100                 105                 110         


Thr Thr Leu Thr Val Ser Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly 
        115                 120                 125             


Ser Gly Gly Gly Gly Ser Gln Ile Val Leu Ser Gln Ser Pro Ala Ile 
    130                 135                 140                 


Leu Ser Ala Ser Pro Gly Glu Lys Val Thr Met Thr Cys Arg Ala Ser 
145                 150                 155                 160 


Ser Ser Val Ser Tyr Ile His Trp Phe Gln Gln Lys Pro Gly Ser Ser 
                165                 170                 175     


Pro Lys Pro Trp Ile Tyr Ala Thr Ser Asn Leu Ala Ser Gly Val Pro 
            180                 185                 190         


Val Arg Phe Ser Gly Ser Gly Ser Gly Thr Ser Tyr Ser Leu Thr Ile 
        195                 200                 205             


Ser Arg Val Glu Ala Glu Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp 
    210                 215                 220                 


Thr Ser Asn Pro Pro Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
225                 230                 235                 240 


Gly Gly Gly Gly Ser Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala 
                245                 250                 255     


Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro 
            260                 265                 270         


Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val 
        275                 280                 285             


Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val 
    290                 295                 300                 


Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln 
305                 310                 315                 320 


Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln 
                325                 330                 335     


Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala 
            340                 345                 350         


Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro 
        355                 360                 365             


Arg Glu Pro Glu Val Tyr Thr Leu Pro Pro Ser Arg Glu Glu Met Thr 
    370                 375                 380                 


Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser 
385                 390                 395                 400 


Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr 
                405                 410                 415     


Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Thr 
            420                 425                 430         


Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe 
        435                 440                 445             


Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys 
    450                 455                 460                 


Ser Leu Ser Leu Ser Pro Gly Lys 
465                 470         


<210>  54
<211>  472
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 2 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V2 format

<400>  54

Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr 
            20                  25                  30          


Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile 
        35                  40                  45              


Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly 
            100                 105                 110         


Thr Thr Leu Thr Val Ser Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly 
        115                 120                 125             


Ser Gly Gly Gly Gly Ser Gln Ile Val Leu Ser Gln Ser Pro Ala Ile 
    130                 135                 140                 


Leu Ser Ala Ser Pro Gly Glu Lys Val Thr Met Thr Cys Arg Ala Ser 
145                 150                 155                 160 


Ser Ser Val Ser Tyr Ile His Trp Phe Gln Gln Lys Pro Gly Ser Ser 
                165                 170                 175     


Pro Lys Pro Trp Ile Tyr Ala Thr Ser Asn Leu Ala Ser Gly Val Pro 
            180                 185                 190         


Val Arg Phe Ser Gly Ser Gly Ser Gly Thr Ser Tyr Ser Leu Thr Ile 
        195                 200                 205             


Ser Arg Val Glu Ala Glu Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp 
    210                 215                 220                 


Thr Ser Asn Pro Pro Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
225                 230                 235                 240 


Glu Pro Lys Ser Cys Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala 
                245                 250                 255     


Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro 
            260                 265                 270         


Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val 
        275                 280                 285             


Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val 
    290                 295                 300                 


Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln 
305                 310                 315                 320 


Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln 
                325                 330                 335     


Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala 
            340                 345                 350         


Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro 
        355                 360                 365             


Arg Glu Pro Glu Val Tyr Thr Leu Pro Pro Ser Arg Glu Glu Met Thr 
    370                 375                 380                 


Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser 
385                 390                 395                 400 


Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr 
                405                 410                 415     


Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Thr 
            420                 425                 430         


Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe 
        435                 440                 445             


Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys 
    450                 455                 460                 


Ser Leu Ser Leu Ser Pro Gly Lys 
465                 470         


<210>  55
<211>  482
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V2 format

<400>  55

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asn Tyr 
            20                  25                  30          


Ala Met Tyr Trp Val Arg Gln Ala Pro Gly Lys Gly Pro Glu Trp Val 
        35                  40                  45              


Ser Val Ile Ser Gly Gly Gly Gly Val Ile Ser Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Thr Met Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Lys Pro Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Asn Ala Gln Ser Ala Val Trp Trp Glu Asn Asp Tyr Trp Gly Gln Gly 
            100                 105                 110         


Thr Gln Val Thr Val Ser Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly 
        115                 120                 125             


Ser Gly Gly Gly Gly Ser Gln Val Gln Leu Val Glu Ser Gly Gly Gly 
    130                 135                 140                 


Leu Val Gln Ala Gly Gly Ser Leu Lys Leu Ser Cys Thr Ala Ser Gly 
145                 150                 155                 160 


Asp Arg Phe Ser Ser Tyr Ala Met Gly Trp Phe Arg Gln Ala Pro Gly 
                165                 170                 175     


Lys Glu Arg Glu Phe Val Ala Ala Val Ser Trp Ser Gly Arg Ile Thr 
            180                 185                 190         


Asp Tyr Ala Asp Ser Val Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn 
        195                 200                 205             


Ala Lys Asp Thr Val Tyr Leu Gln Met Asn Asn Leu Lys Pro Glu Asp 
    210                 215                 220                 


Thr Ser Val Tyr Tyr Cys Tyr Ala Asn Leu Leu Trp Arg Asp His Trp 
225                 230                 235                 240 


Gly Gln Gly Thr Leu Val Thr Val Ser Ser Glu Pro Lys Ser Cys Asp 
                245                 250                 255     


Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly 
            260                 265                 270         


Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile 
        275                 280                 285             


Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu 
    290                 295                 300                 


Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His 
305                 310                 315                 320 


Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg 
                325                 330                 335     


Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys 
            340                 345                 350         


Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu 
        355                 360                 365             


Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr 
    370                 375                 380                 


Thr Leu Pro Pro Tyr Arg Glu Glu Met Thr Lys Asn Gln Val Ser Leu 
385                 390                 395                 400 


Tyr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp 
                405                 410                 415     


Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val 
            420                 425                 430         


Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp 
        435                 440                 445             


Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His 
    450                 455                 460                 


Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro 
465                 470                 475                 480 


Gly Lys 
        


<210>  56
<211>  477
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V2 format

<400>  56

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asn Tyr 
            20                  25                  30          


Ala Met Tyr Trp Val Arg Gln Ala Pro Gly Lys Gly Pro Glu Trp Val 
        35                  40                  45              


Ser Val Ile Ser Gly Gly Gly Gly Val Ile Ser Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Thr Met Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Lys Pro Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Asn Ala Gln Ser Ala Val Trp Trp Glu Asn Asp Tyr Trp Gly Gln Gly 
            100                 105                 110         


Thr Gln Val Thr Val Ser Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly 
        115                 120                 125             


Ser Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly 
    130                 135                 140                 


Gly Ser Leu Lys Leu Ser Cys Thr Ala Ser Gly Asp Arg Phe Ser Ser 
145                 150                 155                 160 


Tyr Ala Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Phe 
                165                 170                 175     


Val Ala Ala Val Ser Trp Ser Gly Arg Ile Thr Asp Tyr Ala Asp Ser 
            180                 185                 190         


Val Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asp Thr Val 
        195                 200                 205             


Tyr Leu Gln Met Asn Asn Leu Lys Pro Glu Asp Thr Ser Val Tyr Tyr 
    210                 215                 220                 


Cys Tyr Ala Asn Leu Leu Trp Arg Asp His Trp Gly Gln Gly Thr Leu 
225                 230                 235                 240 


Val Thr Val Ser Ser Gly Gly Gly Gly Ser Asp Lys Thr His Thr Cys 
                245                 250                 255     


Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu 
            260                 265                 270         


Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu 
        275                 280                 285             


Val Thr Cys Val Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys 
    290                 295                 300                 


Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys 
305                 310                 315                 320 


Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu 
                325                 330                 335     


Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys 
            340                 345                 350         


Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys 
        355                 360                 365             


Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Tyr 
    370                 375                 380                 


Arg Glu Glu Met Thr Lys Asn Gln Val Ser Leu Tyr Cys Leu Val Lys 
385                 390                 395                 400 


Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln 
                405                 410                 415     


Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly 
            420                 425                 430         


Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln 
        435                 440                 445             


Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn 
    450                 455                 460                 


His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys 
465                 470                 475         


<210>  57
<211>  472
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 2 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V2 format

<400>  57

Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr 
            20                  25                  30          


Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile 
        35                  40                  45              


Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly 
            100                 105                 110         


Thr Thr Leu Thr Val Ser Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly 
        115                 120                 125             


Ser Gly Gly Gly Gly Ser Gln Ile Val Leu Ser Gln Ser Pro Ala Ile 
    130                 135                 140                 


Leu Ser Ala Ser Pro Gly Glu Lys Val Thr Met Thr Cys Arg Ala Ser 
145                 150                 155                 160 


Ser Ser Val Ser Tyr Ile His Trp Phe Gln Gln Lys Pro Gly Ser Ser 
                165                 170                 175     


Pro Lys Pro Trp Ile Tyr Ala Thr Ser Asn Leu Ala Ser Gly Val Pro 
            180                 185                 190         


Val Arg Phe Ser Gly Ser Gly Ser Gly Thr Ser Tyr Ser Leu Thr Ile 
        195                 200                 205             


Ser Arg Val Glu Ala Glu Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp 
    210                 215                 220                 


Thr Ser Asn Pro Pro Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
225                 230                 235                 240 


Gly Gly Gly Gly Ser Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala 
                245                 250                 255     


Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro 
            260                 265                 270         


Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val 
        275                 280                 285             


Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val 
    290                 295                 300                 


Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln 
305                 310                 315                 320 


Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln 
                325                 330                 335     


Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala 
            340                 345                 350         


Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro 
        355                 360                 365             


Arg Glu Pro Glu Val Tyr Thr Leu Pro Pro Ser Arg Glu Glu Met Thr 
    370                 375                 380                 


Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser 
385                 390                 395                 400 


Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr 
                405                 410                 415     


Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Thr 
            420                 425                 430         


Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe 
        435                 440                 445             


Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys 
    450                 455                 460                 


Ser Leu Ser Leu Ser Pro Gly Lys 
465                 470         


<210>  58
<211>  472
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 2 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V2 format

<400>  58

Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr 
            20                  25                  30          


Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile 
        35                  40                  45              


Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly 
            100                 105                 110         


Thr Thr Leu Thr Val Ser Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly 
        115                 120                 125             


Ser Gly Gly Gly Gly Ser Gln Ile Val Leu Ser Gln Ser Pro Ala Ile 
    130                 135                 140                 


Leu Ser Ala Ser Pro Gly Glu Lys Val Thr Met Thr Cys Arg Ala Ser 
145                 150                 155                 160 


Ser Ser Val Ser Tyr Ile His Trp Phe Gln Gln Lys Pro Gly Ser Ser 
                165                 170                 175     


Pro Lys Pro Trp Ile Tyr Ala Thr Ser Asn Leu Ala Ser Gly Val Pro 
            180                 185                 190         


Val Arg Phe Ser Gly Ser Gly Ser Gly Thr Ser Tyr Ser Leu Thr Ile 
        195                 200                 205             


Ser Arg Val Glu Ala Glu Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp 
    210                 215                 220                 


Thr Ser Asn Pro Pro Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
225                 230                 235                 240 


Glu Pro Lys Ser Cys Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala 
                245                 250                 255     


Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro 
            260                 265                 270         


Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val 
        275                 280                 285             


Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val 
    290                 295                 300                 


Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln 
305                 310                 315                 320 


Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln 
                325                 330                 335     


Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala 
            340                 345                 350         


Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro 
        355                 360                 365             


Arg Glu Pro Glu Val Tyr Thr Leu Pro Pro Ser Arg Glu Glu Met Thr 
    370                 375                 380                 


Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser 
385                 390                 395                 400 


Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr 
                405                 410                 415     


Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Thr 
            420                 425                 430         


Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe 
        435                 440                 445             


Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys 
    450                 455                 460                 


Ser Leu Ser Leu Ser Pro Gly Lys 
465                 470         


<210>  59
<211>  580
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V3 format

<400>  59

Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr 
            20                  25                  30          


Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile 
        35                  40                  45              


Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly 
            100                 105                 110         


Thr Thr Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe 
        115                 120                 125             


Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu 
    130                 135                 140                 


Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp 
145                 150                 155                 160 


Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu 
                165                 170                 175     


Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser 
            180                 185                 190         


Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro 
        195                 200                 205             


Ser Asn Thr Lys Val Asp Lys Lys Val Glu Pro Lys Ser Cys Asp Lys 
    210                 215                 220                 


Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro 
225                 230                 235                 240 


Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser 
                245                 250                 255     


Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp 
            260                 265                 270         


Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn 
        275                 280                 285             


Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val 
    290                 295                 300                 


Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu 
305                 310                 315                 320 


Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys 
                325                 330                 335     


Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr 
            340                 345                 350         


Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser Leu Thr 
        355                 360                 365             


Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu 
    370                 375                 380                 


Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu 
385                 390                 395                 400 


Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys 
                405                 410                 415     


Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu 
            420                 425                 430         


Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly 
        435                 440                 445             


Lys Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser 
    450                 455                 460                 


Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
465                 470                 475                 480 


Ser Leu Lys Leu Ser Cys Thr Ala Ser Gly Asp Arg Phe Ser Ser Tyr 
                485                 490                 495     


Ala Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Phe Val 
            500                 505                 510         


Ala Ala Val Ser Trp Ser Gly Arg Ile Thr Asp Tyr Ala Asp Ser Val 
        515                 520                 525             


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asp Thr Val Tyr 
    530                 535                 540                 


Leu Gln Met Asn Asn Leu Lys Pro Glu Asp Thr Ser Val Tyr Tyr Cys 
545                 550                 555                 560 


Tyr Ala Asn Leu Leu Trp Arg Asp His Trp Gly Gln Gly Thr Leu Val 
                565                 570                 575     


Thr Val Ser Ser 
            580 


<210>  60
<211>  575
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V3 format

<400>  60

Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr 
            20                  25                  30          


Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile 
        35                  40                  45              


Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly 
            100                 105                 110         


Thr Thr Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe 
        115                 120                 125             


Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu 
    130                 135                 140                 


Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp 
145                 150                 155                 160 


Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu 
                165                 170                 175     


Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser 
            180                 185                 190         


Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro 
        195                 200                 205             


Ser Asn Thr Lys Val Asp Lys Lys Val Gly Gly Gly Gly Ser Asp Lys 
    210                 215                 220                 


Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro 
225                 230                 235                 240 


Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser 
                245                 250                 255     


Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp 
            260                 265                 270         


Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn 
        275                 280                 285             


Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val 
    290                 295                 300                 


Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu 
305                 310                 315                 320 


Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys 
                325                 330                 335     


Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr 
            340                 345                 350         


Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser Leu Thr 
        355                 360                 365             


Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu 
    370                 375                 380                 


Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu 
385                 390                 395                 400 


Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys 
                405                 410                 415     


Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu 
            420                 425                 430         


Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly 
        435                 440                 445             


Lys Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gln Val Gln Leu Val 
    450                 455                 460                 


Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly Ser Leu Lys Leu Ser 
465                 470                 475                 480 


Cys Thr Ala Ser Gly Asp Arg Phe Ser Ser Tyr Ala Met Gly Trp Phe 
                485                 490                 495     


Arg Gln Ala Pro Gly Lys Glu Arg Glu Phe Val Ala Ala Val Ser Trp 
            500                 505                 510         


Ser Gly Arg Ile Thr Asp Tyr Ala Asp Ser Val Lys Gly Arg Phe Thr 
        515                 520                 525             


Ile Ser Arg Asp Asn Ala Lys Asp Thr Val Tyr Leu Gln Met Asn Asn 
    530                 535                 540                 


Leu Lys Pro Glu Asp Thr Ser Val Tyr Tyr Cys Tyr Ala Asn Leu Leu 
545                 550                 555                 560 


Trp Arg Asp His Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
                565                 570                 575 


<210>  61
<211>  213
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 2 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V3 format

<400>  61

Gln Ile Val Leu Ser Gln Ser Pro Ala Ile Leu Ser Ala Ser Pro Gly 
1               5                   10                  15      


Glu Lys Val Thr Met Thr Cys Arg Ala Ser Ser Ser Val Ser Tyr Ile 
            20                  25                  30          


His Trp Phe Gln Gln Lys Pro Gly Ser Ser Pro Lys Pro Trp Ile Tyr 
        35                  40                  45              


Ala Thr Ser Asn Leu Ala Ser Gly Val Pro Val Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Ser Tyr Ser Leu Thr Ile Ser Arg Val Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Thr Ser Asn Pro Pro Thr 
                85                  90                  95      


Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys Arg Thr Val Ala Ala Pro 
            100                 105                 110         


Ser Val Phe Ile Phe Pro Pro Ser Asp Glu Gln Leu Lys Ser Gly Thr 
        115                 120                 125             


Ala Ser Val Val Cys Leu Leu Asn Asn Phe Tyr Pro Arg Glu Ala Lys 
    130                 135                 140                 


Val Gln Trp Lys Val Asp Asn Ala Leu Gln Ser Gly Asn Ser Gln Glu 
145                 150                 155                 160 


Ser Val Thr Glu Gln Asp Ser Lys Asp Ser Thr Tyr Ser Leu Ser Ser 
                165                 170                 175     


Thr Leu Thr Leu Ser Lys Ala Asp Tyr Glu Lys His Lys Val Tyr Ala 
            180                 185                 190         


Cys Glu Val Thr His Gln Gly Leu Ser Ser Pro Val Thr Lys Ser Phe 
        195                 200                 205             


Asn Arg Gly Glu Cys 
    210             


<210>  62
<211>  580
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V3 format

<400>  62

Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr 
            20                  25                  30          


Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile 
        35                  40                  45              


Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly 
            100                 105                 110         


Thr Thr Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe 
        115                 120                 125             


Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu 
    130                 135                 140                 


Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp 
145                 150                 155                 160 


Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu 
                165                 170                 175     


Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser 
            180                 185                 190         


Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro 
        195                 200                 205             


Ser Asn Thr Lys Val Asp Lys Lys Val Glu Pro Lys Ser Cys Asp Lys 
    210                 215                 220                 


Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro 
225                 230                 235                 240 


Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser 
                245                 250                 255     


Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp 
            260                 265                 270         


Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn 
        275                 280                 285             


Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val 
    290                 295                 300                 


Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu 
305                 310                 315                 320 


Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys 
                325                 330                 335     


Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr 
            340                 345                 350         


Leu Pro Pro Tyr Arg Glu Glu Met Thr Lys Asn Gln Val Ser Leu Tyr 
        355                 360                 365             


Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu 
    370                 375                 380                 


Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu 
385                 390                 395                 400 


Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys 
                405                 410                 415     


Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu 
            420                 425                 430         


Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly 
        435                 440                 445             


Lys Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser 
    450                 455                 460                 


Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
465                 470                 475                 480 


Ser Leu Lys Leu Ser Cys Thr Ala Ser Gly Asp Arg Phe Ser Ser Tyr 
                485                 490                 495     


Ala Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Phe Val 
            500                 505                 510         


Ala Ala Val Ser Trp Ser Gly Arg Ile Thr Asp Tyr Ala Asp Ser Val 
        515                 520                 525             


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asp Thr Val Tyr 
    530                 535                 540                 


Leu Gln Met Asn Asn Leu Lys Pro Glu Asp Thr Ser Val Tyr Tyr Cys 
545                 550                 555                 560 


Tyr Ala Asn Leu Leu Trp Arg Asp His Trp Gly Gln Gly Thr Leu Val 
                565                 570                 575     


Thr Val Ser Ser 
            580 


<210>  63
<211>  575
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V3 format

<400>  63

Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr 
            20                  25                  30          


Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile 
        35                  40                  45              


Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly 
            100                 105                 110         


Thr Thr Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe 
        115                 120                 125             


Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu 
    130                 135                 140                 


Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp 
145                 150                 155                 160 


Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu 
                165                 170                 175     


Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser 
            180                 185                 190         


Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro 
        195                 200                 205             


Ser Asn Thr Lys Val Asp Lys Lys Val Gly Gly Gly Gly Ser Asp Lys 
    210                 215                 220                 


Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro 
225                 230                 235                 240 


Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser 
                245                 250                 255     


Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp 
            260                 265                 270         


Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn 
        275                 280                 285             


Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val 
    290                 295                 300                 


Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu 
305                 310                 315                 320 


Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys 
                325                 330                 335     


Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr 
            340                 345                 350         


Leu Pro Pro Tyr Arg Glu Glu Met Thr Lys Asn Gln Val Ser Leu Tyr 
        355                 360                 365             


Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu 
    370                 375                 380                 


Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu 
385                 390                 395                 400 


Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys 
                405                 410                 415     


Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu 
            420                 425                 430         


Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly 
        435                 440                 445             


Lys Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gln Val Gln Leu Val 
    450                 455                 460                 


Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly Ser Leu Lys Leu Ser 
465                 470                 475                 480 


Cys Thr Ala Ser Gly Asp Arg Phe Ser Ser Tyr Ala Met Gly Trp Phe 
                485                 490                 495     


Arg Gln Ala Pro Gly Lys Glu Arg Glu Phe Val Ala Ala Val Ser Trp 
            500                 505                 510         


Ser Gly Arg Ile Thr Asp Tyr Ala Asp Ser Val Lys Gly Arg Phe Thr 
        515                 520                 525             


Ile Ser Arg Asp Asn Ala Lys Asp Thr Val Tyr Leu Gln Met Asn Asn 
    530                 535                 540                 


Leu Lys Pro Glu Asp Thr Ser Val Tyr Tyr Cys Tyr Ala Asn Leu Leu 
545                 550                 555                 560 


Trp Arg Asp His Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
                565                 570                 575 


<210>  64
<211>  583
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 2 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V3 format

<400>  64

Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr 
            20                  25                  30          


Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile 
        35                  40                  45              


Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly 
            100                 105                 110         


Thr Thr Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe 
        115                 120                 125             


Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu 
    130                 135                 140                 


Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp 
145                 150                 155                 160 


Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu 
                165                 170                 175     


Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser 
            180                 185                 190         


Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro 
        195                 200                 205             


Ser Asn Thr Lys Val Asp Lys Lys Val Glu Pro Lys Ser Cys Asp Lys 
    210                 215                 220                 


Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro 
225                 230                 235                 240 


Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser 
                245                 250                 255     


Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp 
            260                 265                 270         


Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn 
        275                 280                 285             


Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val 
    290                 295                 300                 


Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu 
305                 310                 315                 320 


Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys 
                325                 330                 335     


Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Glu Val Tyr Thr 
            340                 345                 350         


Leu Pro Pro Ser Arg Glu Glu Met Thr Lys Asn Gln Val Ser Leu Thr 
        355                 360                 365             


Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu 
    370                 375                 380                 


Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu 
385                 390                 395                 400 


Asp Ser Asp Gly Ser Phe Phe Leu Thr Ser Lys Leu Thr Val Asp Lys 
                405                 410                 415     


Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu 
            420                 425                 430         


Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly 
        435                 440                 445             


Lys Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser 
    450                 455                 460                 


Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
465                 470                 475                 480 


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asn Tyr 
                485                 490                 495     


Ala Met Tyr Trp Val Arg Gln Ala Pro Gly Lys Gly Pro Glu Trp Val 
            500                 505                 510         


Ser Val Ile Ser Gly Gly Gly Gly Val Ile Ser Tyr Ala Asp Ser Val 
        515                 520                 525             


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Thr Met Tyr 
    530                 535                 540                 


Leu Gln Met Asn Ser Leu Lys Pro Glu Asp Thr Ala Val Tyr Tyr Cys 
545                 550                 555                 560 


Asn Ala Gln Ser Ala Val Trp Trp Glu Asn Asp Tyr Trp Gly Gln Gly 
                565                 570                 575     


Thr Gln Val Thr Val Ser Ser 
            580             


<210>  65
<211>  578
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 2 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V3 format

<400>  65

Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr 
            20                  25                  30          


Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile 
        35                  40                  45              


Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly 
            100                 105                 110         


Thr Thr Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe 
        115                 120                 125             


Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu 
    130                 135                 140                 


Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp 
145                 150                 155                 160 


Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu 
                165                 170                 175     


Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser 
            180                 185                 190         


Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro 
        195                 200                 205             


Ser Asn Thr Lys Val Asp Lys Lys Val Gly Gly Gly Gly Ser Asp Lys 
    210                 215                 220                 


Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro 
225                 230                 235                 240 


Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser 
                245                 250                 255     


Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp 
            260                 265                 270         


Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn 
        275                 280                 285             


Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val 
    290                 295                 300                 


Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu 
305                 310                 315                 320 


Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys 
                325                 330                 335     


Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Glu Val Tyr Thr 
            340                 345                 350         


Leu Pro Pro Ser Arg Glu Glu Met Thr Lys Asn Gln Val Ser Leu Thr 
        355                 360                 365             


Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu 
    370                 375                 380                 


Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu 
385                 390                 395                 400 


Asp Ser Asp Gly Ser Phe Phe Leu Thr Ser Lys Leu Thr Val Asp Lys 
                405                 410                 415     


Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu 
            420                 425                 430         


Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly 
        435                 440                 445             


Lys Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gln Val Gln Leu Val 
    450                 455                 460                 


Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly Ser Leu Arg Leu Ser 
465                 470                 475                 480 


Cys Ala Ala Ser Gly Phe Thr Phe Ser Asn Tyr Ala Met Tyr Trp Val 
                485                 490                 495     


Arg Gln Ala Pro Gly Lys Gly Pro Glu Trp Val Ser Val Ile Ser Gly 
            500                 505                 510         


Gly Gly Gly Val Ile Ser Tyr Ala Asp Ser Val Lys Gly Arg Phe Thr 
        515                 520                 525             


Ile Ser Arg Asp Asn Ala Lys Asn Thr Met Tyr Leu Gln Met Asn Ser 
    530                 535                 540                 


Leu Lys Pro Glu Asp Thr Ala Val Tyr Tyr Cys Asn Ala Gln Ser Ala 
545                 550                 555                 560 


Val Trp Trp Glu Asn Asp Tyr Trp Gly Gln Gly Thr Gln Val Thr Val 
                565                 570                 575     


Ser Ser 
        


<210>  66
<211>  213
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 3 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V3 format

<400>  66

Gln Ile Val Leu Ser Gln Ser Pro Ala Ile Leu Ser Ala Ser Pro Gly 
1               5                   10                  15      


Glu Lys Val Thr Met Thr Cys Arg Ala Ser Ser Ser Val Ser Tyr Ile 
            20                  25                  30          


His Trp Phe Gln Gln Lys Pro Gly Ser Ser Pro Lys Pro Trp Ile Tyr 
        35                  40                  45              


Ala Thr Ser Asn Leu Ala Ser Gly Val Pro Val Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Ser Tyr Ser Leu Thr Ile Ser Arg Val Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Thr Ser Asn Pro Pro Thr 
                85                  90                  95      


Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys Arg Thr Val Ala Ala Pro 
            100                 105                 110         


Ser Val Phe Ile Phe Pro Pro Ser Asp Glu Gln Leu Lys Ser Gly Thr 
        115                 120                 125             


Ala Ser Val Val Cys Leu Leu Asn Asn Phe Tyr Pro Arg Glu Ala Lys 
    130                 135                 140                 


Val Gln Trp Lys Val Asp Asn Ala Leu Gln Ser Gly Asn Ser Gln Glu 
145                 150                 155                 160 


Ser Val Thr Glu Gln Asp Ser Lys Asp Ser Thr Tyr Ser Leu Ser Ser 
                165                 170                 175     


Thr Leu Thr Leu Ser Lys Ala Asp Tyr Glu Lys His Lys Val Tyr Ala 
            180                 185                 190         


Cys Glu Val Thr His Gln Gly Leu Ser Ser Pro Val Thr Lys Ser Phe 
        195                 200                 205             


Asn Arg Gly Glu Cys 
    210             


<210>  67
<211>  580
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V4 format

<400>  67

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Thr Ala Ser Gly Asp Arg Phe Ser Ser Tyr 
            20                  25                  30          


Ala Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Phe Val 
        35                  40                  45              


Ala Ala Val Ser Trp Ser Gly Arg Ile Thr Asp Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asp Thr Val Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Asn Leu Lys Pro Glu Asp Thr Ser Val Tyr Tyr Cys 
                85                  90                  95      


Tyr Ala Asn Leu Leu Trp Arg Asp His Trp Gly Gln Gly Thr Leu Val 
            100                 105                 110         


Thr Val Ser Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gly Gly 
        115                 120                 125             


Gly Gly Ser Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg 
    130                 135                 140                 


Pro Gly Ala Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe 
145                 150                 155                 160 


Thr Ser Tyr Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu 
                165                 170                 175     


Glu Trp Ile Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn 
            180                 185                 190         


Gln Lys Phe Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser 
        195                 200                 205             


Thr Ala Tyr Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val 
    210                 215                 220                 


Tyr Tyr Cys Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp 
225                 230                 235                 240 


Gly Glu Gly Thr Thr Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro 
                245                 250                 255     


Ser Val Phe Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr 
            260                 265                 270         


Ala Ala Leu Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr 
        275                 280                 285             


Val Ser Trp Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro 
    290                 295                 300                 


Ala Val Leu Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr 
305                 310                 315                 320 


Val Pro Ser Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn 
                325                 330                 335     


His Lys Pro Ser Asn Thr Lys Val Asp Lys Lys Val Glu Pro Lys Ser 
            340                 345                 350         


Cys Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu 
        355                 360                 365             


Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu 
    370                 375                 380                 


Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser 
385                 390                 395                 400 


His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu 
                405                 410                 415     


Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr 
            420                 425                 430         


Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn 
        435                 440                 445             


Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro 
    450                 455                 460                 


Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln 
465                 470                 475                 480 


Val Tyr Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val 
                485                 490                 495     


Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val 
            500                 505                 510         


Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro 
        515                 520                 525             


Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr 
    530                 535                 540                 


Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val 
545                 550                 555                 560 


Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu 
                565                 570                 575     


Ser Pro Gly Lys 
            580 


<210>  68
<211>  575
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V4 format

<400>  68

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Thr Ala Ser Gly Asp Arg Phe Ser Ser Tyr 
            20                  25                  30          


Ala Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Phe Val 
        35                  40                  45              


Ala Ala Val Ser Trp Ser Gly Arg Ile Thr Asp Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asp Thr Val Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Asn Leu Lys Pro Glu Asp Thr Ser Val Tyr Tyr Cys 
                85                  90                  95      


Tyr Ala Asn Leu Leu Trp Arg Asp His Trp Gly Gln Gly Thr Leu Val 
            100                 105                 110         


Thr Val Ser Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Glu Val 
        115                 120                 125             


Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala Ser Val 
    130                 135                 140                 


Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr Thr Met 
145                 150                 155                 160 


His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile Gly Tyr 
                165                 170                 175     


Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe Lys Asp 
            180                 185                 190         


Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr Met Glu 
        195                 200                 205             


Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys Ala Arg 
    210                 215                 220                 


Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly Thr Thr 
225                 230                 235                 240 


Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe Pro Leu 
                245                 250                 255     


Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu Gly Cys 
            260                 265                 270         


Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp Asn Ser 
        275                 280                 285             


Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu Gln Ser 
    290                 295                 300                 


Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser Ser Ser 
305                 310                 315                 320 


Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro Ser Asn 
                325                 330                 335     


Thr Lys Val Asp Lys Lys Val Gly Gly Gly Gly Ser Asp Lys Thr His 
            340                 345                 350         


Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser Val 
        355                 360                 365             


Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr 
    370                 375                 380                 


Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp Pro Glu 
385                 390                 395                 400 


Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala Lys 
                405                 410                 415     


Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser 
            420                 425                 430         


Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys 
        435                 440                 445             


Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile 
    450                 455                 460                 


Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro 
465                 470                 475                 480 


Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser Leu Thr Cys Leu 
                485                 490                 495     


Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn 
            500                 505                 510         


Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser 
        515                 520                 525             


Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg 
    530                 535                 540                 


Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala Leu 
545                 550                 555                 560 


His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys 
                565                 570                 575 


<210>  69
<211>  213
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 2 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V4 format

<400>  69

Gln Ile Val Leu Ser Gln Ser Pro Ala Ile Leu Ser Ala Ser Pro Gly 
1               5                   10                  15      


Glu Lys Val Thr Met Thr Cys Arg Ala Ser Ser Ser Val Ser Tyr Ile 
            20                  25                  30          


His Trp Phe Gln Gln Lys Pro Gly Ser Ser Pro Lys Pro Trp Ile Tyr 
        35                  40                  45              


Ala Thr Ser Asn Leu Ala Ser Gly Val Pro Val Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Ser Tyr Ser Leu Thr Ile Ser Arg Val Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Thr Ser Asn Pro Pro Thr 
                85                  90                  95      


Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys Arg Thr Val Ala Ala Pro 
            100                 105                 110         


Ser Val Phe Ile Phe Pro Pro Ser Asp Glu Gln Leu Lys Ser Gly Thr 
        115                 120                 125             


Ala Ser Val Val Cys Leu Leu Asn Asn Phe Tyr Pro Arg Glu Ala Lys 
    130                 135                 140                 


Val Gln Trp Lys Val Asp Asn Ala Leu Gln Ser Gly Asn Ser Gln Glu 
145                 150                 155                 160 


Ser Val Thr Glu Gln Asp Ser Lys Asp Ser Thr Tyr Ser Leu Ser Ser 
                165                 170                 175     


Thr Leu Thr Leu Ser Lys Ala Asp Tyr Glu Lys His Lys Val Tyr Ala 
            180                 185                 190         


Cys Glu Val Thr His Gln Gly Leu Ser Ser Pro Val Thr Lys Ser Phe 
        195                 200                 205             


Asn Arg Gly Glu Cys 
    210             


<210>  70
<211>  580
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V4 format

<400>  70

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Thr Ala Ser Gly Asp Arg Phe Ser Ser Tyr 
            20                  25                  30          


Ala Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Phe Val 
        35                  40                  45              


Ala Ala Val Ser Trp Ser Gly Arg Ile Thr Asp Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asp Thr Val Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Asn Leu Lys Pro Glu Asp Thr Ser Val Tyr Tyr Cys 
                85                  90                  95      


Tyr Ala Asn Leu Leu Trp Arg Asp His Trp Gly Gln Gly Thr Leu Val 
            100                 105                 110         


Thr Val Ser Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gly Gly 
        115                 120                 125             


Gly Gly Ser Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg 
    130                 135                 140                 


Pro Gly Ala Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe 
145                 150                 155                 160 


Thr Ser Tyr Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu 
                165                 170                 175     


Glu Trp Ile Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn 
            180                 185                 190         


Gln Lys Phe Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser 
        195                 200                 205             


Thr Ala Tyr Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val 
    210                 215                 220                 


Tyr Tyr Cys Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp 
225                 230                 235                 240 


Gly Glu Gly Thr Thr Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro 
                245                 250                 255     


Ser Val Phe Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr 
            260                 265                 270         


Ala Ala Leu Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr 
        275                 280                 285             


Val Ser Trp Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro 
    290                 295                 300                 


Ala Val Leu Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr 
305                 310                 315                 320 


Val Pro Ser Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn 
                325                 330                 335     


His Lys Pro Ser Asn Thr Lys Val Asp Lys Lys Val Glu Pro Lys Ser 
            340                 345                 350         


Cys Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu 
        355                 360                 365             


Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu 
    370                 375                 380                 


Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser 
385                 390                 395                 400 


His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu 
                405                 410                 415     


Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr 
            420                 425                 430         


Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn 
        435                 440                 445             


Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro 
    450                 455                 460                 


Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln 
465                 470                 475                 480 


Val Tyr Thr Leu Pro Pro Tyr Arg Glu Glu Met Thr Lys Asn Gln Val 
                485                 490                 495     


Ser Leu Tyr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val 
            500                 505                 510         


Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro 
        515                 520                 525             


Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr 
    530                 535                 540                 


Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val 
545                 550                 555                 560 


Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu 
                565                 570                 575     


Ser Pro Gly Lys 
            580 


<210>  71
<211>  575
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V4 format

<400>  71

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
1               5                   10                  15      


Ser Leu Lys Leu Ser Cys Thr Ala Ser Gly Asp Arg Phe Ser Ser Tyr 
            20                  25                  30          


Ala Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Phe Val 
        35                  40                  45              


Ala Ala Val Ser Trp Ser Gly Arg Ile Thr Asp Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asp Thr Val Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Asn Leu Lys Pro Glu Asp Thr Ser Val Tyr Tyr Cys 
                85                  90                  95      


Tyr Ala Asn Leu Leu Trp Arg Asp His Trp Gly Gln Gly Thr Leu Val 
            100                 105                 110         


Thr Val Ser Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Glu Val 
        115                 120                 125             


Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala Ser Val 
    130                 135                 140                 


Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr Thr Met 
145                 150                 155                 160 


His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile Gly Tyr 
                165                 170                 175     


Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe Lys Asp 
            180                 185                 190         


Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr Met Glu 
        195                 200                 205             


Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys Ala Arg 
    210                 215                 220                 


Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly Thr Thr 
225                 230                 235                 240 


Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe Pro Leu 
                245                 250                 255     


Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu Gly Cys 
            260                 265                 270         


Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp Asn Ser 
        275                 280                 285             


Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu Gln Ser 
    290                 295                 300                 


Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser Ser Ser 
305                 310                 315                 320 


Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro Ser Asn 
                325                 330                 335     


Thr Lys Val Asp Lys Lys Val Gly Gly Gly Gly Ser Asp Lys Thr His 
            340                 345                 350         


Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser Val 
        355                 360                 365             


Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr 
    370                 375                 380                 


Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp Pro Glu 
385                 390                 395                 400 


Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala Lys 
                405                 410                 415     


Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser 
            420                 425                 430         


Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys 
        435                 440                 445             


Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile 
    450                 455                 460                 


Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro 
465                 470                 475                 480 


Pro Tyr Arg Glu Glu Met Thr Lys Asn Gln Val Ser Leu Tyr Cys Leu 
                485                 490                 495     


Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn 
            500                 505                 510         


Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser 
        515                 520                 525             


Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg 
    530                 535                 540                 


Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala Leu 
545                 550                 555                 560 


His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys 
                565                 570                 575 


<210>  72
<211>  583
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 2 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V4 format

<400>  72

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asn Tyr 
            20                  25                  30          


Ala Met Tyr Trp Val Arg Gln Ala Pro Gly Lys Gly Pro Glu Trp Val 
        35                  40                  45              


Ser Val Ile Ser Gly Gly Gly Gly Val Ile Ser Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Thr Met Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Lys Pro Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Asn Ala Gln Ser Ala Val Trp Trp Glu Asn Asp Tyr Trp Gly Gln Gly 
            100                 105                 110         


Thr Gln Val Thr Val Ser Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly 
        115                 120                 125             


Ser Gly Gly Gly Gly Ser Glu Val Gln Leu Gln Glu Ser Gly Ala Glu 
    130                 135                 140                 


Leu Ala Arg Pro Gly Ala Ser Val Lys Met Ser Cys Lys Ala Ser Gly 
145                 150                 155                 160 


Tyr Thr Phe Thr Ser Tyr Thr Met His Trp Val Lys Gln Arg Pro Gly 
                165                 170                 175     


Glu Gly Leu Glu Trp Ile Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr 
            180                 185                 190         


Lys Tyr Asn Gln Lys Phe Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys 
        195                 200                 205             


Ser Ser Ser Thr Ala Tyr Met Glu Leu Ser Ser Leu Thr Ser Glu Asp 
    210                 215                 220                 


Ser Ala Val Tyr Tyr Cys Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe 
225                 230                 235                 240 


Asp Tyr Trp Gly Glu Gly Thr Thr Leu Thr Val Ser Ser Ala Ser Thr 
                245                 250                 255     


Lys Gly Pro Ser Val Phe Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser 
            260                 265                 270         


Gly Gly Thr Ala Ala Leu Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu 
        275                 280                 285             


Pro Val Thr Val Ser Trp Asn Ser Gly Ala Leu Thr Ser Gly Val His 
    290                 295                 300                 


Thr Phe Pro Ala Val Leu Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser 
305                 310                 315                 320 


Val Val Thr Val Pro Ser Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys 
                325                 330                 335     


Asn Val Asn His Lys Pro Ser Asn Thr Lys Val Asp Lys Lys Val Glu 
            340                 345                 350         


Pro Lys Ser Cys Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro 
        355                 360                 365             


Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys 
    370                 375                 380                 


Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val 
385                 390                 395                 400 


Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp 
                405                 410                 415     


Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr 
            420                 425                 430         


Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp 
        435                 440                 445             


Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu 
    450                 455                 460                 


Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg 
465                 470                 475                 480 


Glu Pro Glu Val Tyr Thr Leu Pro Pro Ser Arg Glu Glu Met Thr Lys 
                485                 490                 495     


Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp 
            500                 505                 510         


Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys 
        515                 520                 525             


Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Thr Ser 
    530                 535                 540                 


Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser 
545                 550                 555                 560 


Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser 
                565                 570                 575     


Leu Ser Leu Ser Pro Gly Lys 
            580             


<210>  73
<211>  578
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 2 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V4 format

<400>  73

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asn Tyr 
            20                  25                  30          


Ala Met Tyr Trp Val Arg Gln Ala Pro Gly Lys Gly Pro Glu Trp Val 
        35                  40                  45              


Ser Val Ile Ser Gly Gly Gly Gly Val Ile Ser Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Thr Met Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Lys Pro Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Asn Ala Gln Ser Ala Val Trp Trp Glu Asn Asp Tyr Trp Gly Gln Gly 
            100                 105                 110         


Thr Gln Val Thr Val Ser Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly 
        115                 120                 125             


Ser Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly 
    130                 135                 140                 


Ala Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser 
145                 150                 155                 160 


Tyr Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp 
                165                 170                 175     


Ile Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys 
            180                 185                 190         


Phe Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala 
        195                 200                 205             


Tyr Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr 
    210                 215                 220                 


Cys Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu 
225                 230                 235                 240 


Gly Thr Thr Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val 
                245                 250                 255     


Phe Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala 
            260                 265                 270         


Leu Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser 
        275                 280                 285             


Trp Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val 
    290                 295                 300                 


Leu Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro 
305                 310                 315                 320 


Ser Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys 
                325                 330                 335     


Pro Ser Asn Thr Lys Val Asp Lys Lys Val Gly Gly Gly Gly Ser Asp 
            340                 345                 350         


Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly 
        355                 360                 365             


Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile 
    370                 375                 380                 


Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu 
385                 390                 395                 400 


Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His 
                405                 410                 415     


Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg 
            420                 425                 430         


Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys 
        435                 440                 445             


Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu 
    450                 455                 460                 


Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Glu Val Tyr 
465                 470                 475                 480 


Thr Leu Pro Pro Ser Arg Glu Glu Met Thr Lys Asn Gln Val Ser Leu 
                485                 490                 495     


Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp 
            500                 505                 510         


Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val 
        515                 520                 525             


Leu Asp Ser Asp Gly Ser Phe Phe Leu Thr Ser Lys Leu Thr Val Asp 
    530                 535                 540                 


Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His 
545                 550                 555                 560 


Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro 
                565                 570                 575     


Gly Lys 
        


<210>  74
<211>  213
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 3 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V4 format

<400>  74

Gln Ile Val Leu Ser Gln Ser Pro Ala Ile Leu Ser Ala Ser Pro Gly 
1               5                   10                  15      


Glu Lys Val Thr Met Thr Cys Arg Ala Ser Ser Ser Val Ser Tyr Ile 
            20                  25                  30          


His Trp Phe Gln Gln Lys Pro Gly Ser Ser Pro Lys Pro Trp Ile Tyr 
        35                  40                  45              


Ala Thr Ser Asn Leu Ala Ser Gly Val Pro Val Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Ser Tyr Ser Leu Thr Ile Ser Arg Val Glu Ala Glu 
65                  70                  75                  80  


Asp Ala Ala Thr Tyr Tyr Cys Gln Gln Trp Thr Ser Asn Pro Pro Thr 
                85                  90                  95      


Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys Arg Thr Val Ala Ala Pro 
            100                 105                 110         


Ser Val Phe Ile Phe Pro Pro Ser Asp Glu Gln Leu Lys Ser Gly Thr 
        115                 120                 125             


Ala Ser Val Val Cys Leu Leu Asn Asn Phe Tyr Pro Arg Glu Ala Lys 
    130                 135                 140                 


Val Gln Trp Lys Val Asp Asn Ala Leu Gln Ser Gly Asn Ser Gln Glu 
145                 150                 155                 160 


Ser Val Thr Glu Gln Asp Ser Lys Asp Ser Thr Tyr Ser Leu Ser Ser 
                165                 170                 175     


Thr Leu Thr Leu Ser Lys Ala Asp Tyr Glu Lys His Lys Val Tyr Ala 
            180                 185                 190         


Cys Glu Val Thr His Gln Gly Leu Ser Ser Pro Val Thr Lys Ser Phe 
        195                 200                 205             


Asn Arg Gly Glu Cys 
    210             


<210>  75
<211>  344
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V1 format

<400>  75

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Phe Ser Leu Tyr 
            20                  25                  30          


Asp Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Trp Val 
        35                  40                  45              


Ala Thr Ile Thr Ser Ser Gly Asn Thr Gly Tyr Ala Glu Ser Val Lys 
    50                  55                  60                  


Gly Arg Phe Thr Val Ser Arg Asp Asn Gly Lys Lys Thr Gly Tyr Leu 
65                  70                  75                  80  


Gln Thr Asn Asn Leu Lys Pro Glu Asp Thr Ala Leu Tyr Tyr Cys Tyr 
                85                  90                  95      


Val Pro Phe Leu Gly Arg Gly Tyr Gly Thr Leu Val Thr Val Ser Ser 
            100                 105                 110         


Glu Pro Lys Ser Cys Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala 
        115                 120                 125             


Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro 
    130                 135                 140                 


Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val 
145                 150                 155                 160 


Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val 
                165                 170                 175     


Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln 
            180                 185                 190         


Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln 
        195                 200                 205             


Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala 
    210                 215                 220                 


Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro 
225                 230                 235                 240 


Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Tyr Arg Glu Glu Met Thr 
                245                 250                 255     


Lys Asn Gln Val Ser Leu Tyr Cys Leu Val Lys Gly Phe Tyr Pro Ser 
            260                 265                 270         


Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr 
        275                 280                 285             


Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr 
    290                 295                 300                 


Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe 
305                 310                 315                 320 


Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys 
                325                 330                 335     


Ser Leu Ser Leu Ser Pro Gly Lys 
            340                 


<210>  76
<211>  344
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V1 format

<400>  76

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Phe Ser Leu Tyr 
            20                  25                  30          


Asp Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Trp Val 
        35                  40                  45              


Ala Thr Ile Thr Ser Ser Gly Asn Thr Gly Tyr Ala Glu Ser Val Lys 
    50                  55                  60                  


Gly Arg Phe Thr Val Ser Arg Asp Asn Gly Lys Lys Thr Gly Tyr Leu 
65                  70                  75                  80  


Gln Thr Asn Asn Leu Lys Pro Glu Asp Thr Ala Leu Tyr Tyr Cys Tyr 
                85                  90                  95      


Val Pro Phe Leu Gly Arg Gly Tyr Gly Thr Leu Val Thr Val Ser Ser 
            100                 105                 110         


Gly Gly Gly Gly Ser Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala 
        115                 120                 125             


Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro 
    130                 135                 140                 


Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val 
145                 150                 155                 160 


Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val 
                165                 170                 175     


Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln 
            180                 185                 190         


Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln 
        195                 200                 205             


Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala 
    210                 215                 220                 


Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro 
225                 230                 235                 240 


Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Tyr Arg Glu Glu Met Thr 
                245                 250                 255     


Lys Asn Gln Val Ser Leu Tyr Cys Leu Val Lys Gly Phe Tyr Pro Ser 
            260                 265                 270         


Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr 
        275                 280                 285             


Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr 
    290                 295                 300                 


Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe 
305                 310                 315                 320 


Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys 
                325                 330                 335     


Ser Leu Ser Leu Ser Pro Gly Lys 
            340                 


<210>  77
<211>  478
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V1 format

<400>  77

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asn Tyr 
            20                  25                  30          


Ala Met Tyr Trp Val Arg Gln Ala Pro Gly Lys Gly Pro Glu Trp Val 
        35                  40                  45              


Ser Val Ile Ser Gly Gly Gly Gly Val Ile Ser Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Thr Met Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Lys Pro Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Asn Ala Gln Ser Ala Val Trp Trp Glu Asn Asp Tyr Trp Gly Gln Gly 
            100                 105                 110         


Thr Gln Val Thr Val Ser Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly 
        115                 120                 125             


Ser Gly Gly Gly Gly Ser Gln Val Gln Leu Val Glu Ser Gly Gly Gly 
    130                 135                 140                 


Leu Val Gln Ala Gly Gly Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly 
145                 150                 155                 160 


Leu Thr Phe Ser Leu Tyr Asp Met Gly Trp Phe Arg Gln Ala Pro Gly 
                165                 170                 175     


Lys Glu Arg Glu Trp Val Ala Thr Ile Thr Ser Ser Gly Asn Thr Gly 
            180                 185                 190         


Tyr Ala Glu Ser Val Lys Gly Arg Phe Thr Val Ser Arg Asp Asn Gly 
        195                 200                 205             


Lys Lys Thr Gly Tyr Leu Gln Thr Asn Asn Leu Lys Pro Glu Asp Thr 
    210                 215                 220                 


Ala Leu Tyr Tyr Cys Tyr Val Pro Phe Leu Gly Arg Gly Tyr Gly Thr 
225                 230                 235                 240 


Leu Val Thr Val Ser Ser Glu Pro Lys Ser Cys Asp Lys Thr His Thr 
                245                 250                 255     


Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe 
            260                 265                 270         


Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro 
        275                 280                 285             


Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp Pro Glu Val 
    290                 295                 300                 


Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr 
305                 310                 315                 320 


Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val 
                325                 330                 335     


Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys 
            340                 345                 350         


Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser 
        355                 360                 365             


Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro 
    370                 375                 380                 


Tyr Arg Glu Glu Met Thr Lys Asn Gln Val Ser Leu Tyr Cys Leu Val 
385                 390                 395                 400 


Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly 
                405                 410                 415     


Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp 
            420                 425                 430         


Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp 
        435                 440                 445             


Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala Leu His 
    450                 455                 460                 


Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys 
465                 470                 475             


<210>  78
<211>  473
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V1 format

<400>  78

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asn Tyr 
            20                  25                  30          


Ala Met Tyr Trp Val Arg Gln Ala Pro Gly Lys Gly Pro Glu Trp Val 
        35                  40                  45              


Ser Val Ile Ser Gly Gly Gly Gly Val Ile Ser Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Thr Met Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Lys Pro Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Asn Ala Gln Ser Ala Val Trp Trp Glu Asn Asp Tyr Trp Gly Gln Gly 
            100                 105                 110         


Thr Gln Val Thr Val Ser Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly 
        115                 120                 125             


Ser Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly 
    130                 135                 140                 


Gly Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Phe Ser Leu 
145                 150                 155                 160 


Tyr Asp Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Trp 
                165                 170                 175     


Val Ala Thr Ile Thr Ser Ser Gly Asn Thr Gly Tyr Ala Glu Ser Val 
            180                 185                 190         


Lys Gly Arg Phe Thr Val Ser Arg Asp Asn Gly Lys Lys Thr Gly Tyr 
        195                 200                 205             


Leu Gln Thr Asn Asn Leu Lys Pro Glu Asp Thr Ala Leu Tyr Tyr Cys 
    210                 215                 220                 


Tyr Val Pro Phe Leu Gly Arg Gly Tyr Gly Thr Leu Val Thr Val Ser 
225                 230                 235                 240 


Ser Gly Gly Gly Gly Ser Asp Lys Thr His Thr Cys Pro Pro Cys Pro 
                245                 250                 255     


Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys 
            260                 265                 270         


Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val 
        275                 280                 285             


Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr 
    290                 295                 300                 


Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu 
305                 310                 315                 320 


Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His 
                325                 330                 335     


Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys 
            340                 345                 350         


Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln 
        355                 360                 365             


Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Tyr Arg Glu Glu Met 
    370                 375                 380                 


Thr Lys Asn Gln Val Ser Leu Tyr Cys Leu Val Lys Gly Phe Tyr Pro 
385                 390                 395                 400 


Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn 
                405                 410                 415     


Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu 
            420                 425                 430         


Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val 
        435                 440                 445             


Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln 
    450                 455                 460                 


Lys Ser Leu Ser Leu Ser Pro Gly Lys 
465                 470             


<210>  79
<211>  344
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V2 format

<400>  79

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Phe Ser Leu Tyr 
            20                  25                  30          


Asp Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Trp Val 
        35                  40                  45              


Ala Thr Ile Thr Ser Ser Gly Asn Thr Gly Tyr Ala Glu Ser Val Lys 
    50                  55                  60                  


Gly Arg Phe Thr Val Ser Arg Asp Asn Gly Lys Lys Thr Gly Tyr Leu 
65                  70                  75                  80  


Gln Thr Asn Asn Leu Lys Pro Glu Asp Thr Ala Leu Tyr Tyr Cys Tyr 
                85                  90                  95      


Val Pro Phe Leu Gly Arg Gly Tyr Gly Thr Leu Val Thr Val Ser Ser 
            100                 105                 110         


Glu Pro Lys Ser Cys Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala 
        115                 120                 125             


Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro 
    130                 135                 140                 


Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val 
145                 150                 155                 160 


Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val 
                165                 170                 175     


Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln 
            180                 185                 190         


Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln 
        195                 200                 205             


Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala 
    210                 215                 220                 


Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro 
225                 230                 235                 240 


Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Tyr Arg Glu Glu Met Thr 
                245                 250                 255     


Lys Asn Gln Val Ser Leu Tyr Cys Leu Val Lys Gly Phe Tyr Pro Ser 
            260                 265                 270         


Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr 
        275                 280                 285             


Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr 
    290                 295                 300                 


Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe 
305                 310                 315                 320 


Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys 
                325                 330                 335     


Ser Leu Ser Leu Ser Pro Gly Lys 
            340                 


<210>  80
<211>  344
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V2 format

<400>  80

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Phe Ser Leu Tyr 
            20                  25                  30          


Asp Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Trp Val 
        35                  40                  45              


Ala Thr Ile Thr Ser Ser Gly Asn Thr Gly Tyr Ala Glu Ser Val Lys 
    50                  55                  60                  


Gly Arg Phe Thr Val Ser Arg Asp Asn Gly Lys Lys Thr Gly Tyr Leu 
65                  70                  75                  80  


Gln Thr Asn Asn Leu Lys Pro Glu Asp Thr Ala Leu Tyr Tyr Cys Tyr 
                85                  90                  95      


Val Pro Phe Leu Gly Arg Gly Tyr Gly Thr Leu Val Thr Val Ser Ser 
            100                 105                 110         


Gly Gly Gly Gly Ser Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala 
        115                 120                 125             


Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro 
    130                 135                 140                 


Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val 
145                 150                 155                 160 


Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val 
                165                 170                 175     


Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln 
            180                 185                 190         


Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln 
        195                 200                 205             


Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala 
    210                 215                 220                 


Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro 
225                 230                 235                 240 


Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Tyr Arg Glu Glu Met Thr 
                245                 250                 255     


Lys Asn Gln Val Ser Leu Tyr Cys Leu Val Lys Gly Phe Tyr Pro Ser 
            260                 265                 270         


Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr 
        275                 280                 285             


Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr 
    290                 295                 300                 


Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe 
305                 310                 315                 320 


Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys 
                325                 330                 335     


Ser Leu Ser Leu Ser Pro Gly Lys 
            340                 


<210>  81
<211>  478
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V2 format

<400>  81

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asn Tyr 
            20                  25                  30          


Ala Met Tyr Trp Val Arg Gln Ala Pro Gly Lys Gly Pro Glu Trp Val 
        35                  40                  45              


Ser Val Ile Ser Gly Gly Gly Gly Val Ile Ser Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Thr Met Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Lys Pro Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Asn Ala Gln Ser Ala Val Trp Trp Glu Asn Asp Tyr Trp Gly Gln Gly 
            100                 105                 110         


Thr Gln Val Thr Val Ser Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly 
        115                 120                 125             


Ser Gly Gly Gly Gly Ser Gln Val Gln Leu Val Glu Ser Gly Gly Gly 
    130                 135                 140                 


Leu Val Gln Ala Gly Gly Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly 
145                 150                 155                 160 


Leu Thr Phe Ser Leu Tyr Asp Met Gly Trp Phe Arg Gln Ala Pro Gly 
                165                 170                 175     


Lys Glu Arg Glu Trp Val Ala Thr Ile Thr Ser Ser Gly Asn Thr Gly 
            180                 185                 190         


Tyr Ala Glu Ser Val Lys Gly Arg Phe Thr Val Ser Arg Asp Asn Gly 
        195                 200                 205             


Lys Lys Thr Gly Tyr Leu Gln Thr Asn Asn Leu Lys Pro Glu Asp Thr 
    210                 215                 220                 


Ala Leu Tyr Tyr Cys Tyr Val Pro Phe Leu Gly Arg Gly Tyr Gly Thr 
225                 230                 235                 240 


Leu Val Thr Val Ser Ser Glu Pro Lys Ser Cys Asp Lys Thr His Thr 
                245                 250                 255     


Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe 
            260                 265                 270         


Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro 
        275                 280                 285             


Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp Pro Glu Val 
    290                 295                 300                 


Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr 
305                 310                 315                 320 


Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val 
                325                 330                 335     


Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys 
            340                 345                 350         


Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser 
        355                 360                 365             


Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro 
    370                 375                 380                 


Tyr Arg Glu Glu Met Thr Lys Asn Gln Val Ser Leu Tyr Cys Leu Val 
385                 390                 395                 400 


Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly 
                405                 410                 415     


Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp 
            420                 425                 430         


Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp 
        435                 440                 445             


Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala Leu His 
    450                 455                 460                 


Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys 
465                 470                 475             


<210>  82
<211>  473
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V2 format

<400>  82

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asn Tyr 
            20                  25                  30          


Ala Met Tyr Trp Val Arg Gln Ala Pro Gly Lys Gly Pro Glu Trp Val 
        35                  40                  45              


Ser Val Ile Ser Gly Gly Gly Gly Val Ile Ser Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Thr Met Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Lys Pro Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Asn Ala Gln Ser Ala Val Trp Trp Glu Asn Asp Tyr Trp Gly Gln Gly 
            100                 105                 110         


Thr Gln Val Thr Val Ser Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly 
        115                 120                 125             


Ser Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly 
    130                 135                 140                 


Gly Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Phe Ser Leu 
145                 150                 155                 160 


Tyr Asp Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Trp 
                165                 170                 175     


Val Ala Thr Ile Thr Ser Ser Gly Asn Thr Gly Tyr Ala Glu Ser Val 
            180                 185                 190         


Lys Gly Arg Phe Thr Val Ser Arg Asp Asn Gly Lys Lys Thr Gly Tyr 
        195                 200                 205             


Leu Gln Thr Asn Asn Leu Lys Pro Glu Asp Thr Ala Leu Tyr Tyr Cys 
    210                 215                 220                 


Tyr Val Pro Phe Leu Gly Arg Gly Tyr Gly Thr Leu Val Thr Val Ser 
225                 230                 235                 240 


Ser Gly Gly Gly Gly Ser Asp Lys Thr His Thr Cys Pro Pro Cys Pro 
                245                 250                 255     


Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys 
            260                 265                 270         


Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val 
        275                 280                 285             


Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr 
    290                 295                 300                 


Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu 
305                 310                 315                 320 


Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His 
                325                 330                 335     


Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys 
            340                 345                 350         


Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln 
        355                 360                 365             


Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Tyr Arg Glu Glu Met 
    370                 375                 380                 


Thr Lys Asn Gln Val Ser Leu Tyr Cys Leu Val Lys Gly Phe Tyr Pro 
385                 390                 395                 400 


Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn 
                405                 410                 415     


Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu 
            420                 425                 430         


Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val 
        435                 440                 445             


Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln 
    450                 455                 460                 


Lys Ser Leu Ser Leu Ser Pro Gly Lys 
465                 470             


<210>  83
<211>  576
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V3 format

<400>  83

Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr 
            20                  25                  30          


Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile 
        35                  40                  45              


Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly 
            100                 105                 110         


Thr Thr Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe 
        115                 120                 125             


Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu 
    130                 135                 140                 


Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp 
145                 150                 155                 160 


Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu 
                165                 170                 175     


Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser 
            180                 185                 190         


Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro 
        195                 200                 205             


Ser Asn Thr Lys Val Asp Lys Lys Val Glu Pro Lys Ser Cys Asp Lys 
    210                 215                 220                 


Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro 
225                 230                 235                 240 


Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser 
                245                 250                 255     


Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp 
            260                 265                 270         


Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn 
        275                 280                 285             


Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val 
    290                 295                 300                 


Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu 
305                 310                 315                 320 


Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys 
                325                 330                 335     


Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr 
            340                 345                 350         


Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser Leu Thr 
        355                 360                 365             


Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu 
    370                 375                 380                 


Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu 
385                 390                 395                 400 


Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys 
                405                 410                 415     


Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu 
            420                 425                 430         


Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly 
        435                 440                 445             


Lys Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser 
    450                 455                 460                 


Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
465                 470                 475                 480 


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Phe Ser Leu Tyr 
                485                 490                 495     


Asp Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Trp Val 
            500                 505                 510         


Ala Thr Ile Thr Ser Ser Gly Asn Thr Gly Tyr Ala Glu Ser Val Lys 
        515                 520                 525             


Gly Arg Phe Thr Val Ser Arg Asp Asn Gly Lys Lys Thr Gly Tyr Leu 
    530                 535                 540                 


Gln Thr Asn Asn Leu Lys Pro Glu Asp Thr Ala Leu Tyr Tyr Cys Tyr 
545                 550                 555                 560 


Val Pro Phe Leu Gly Arg Gly Tyr Gly Thr Leu Val Thr Val Ser Ser 
                565                 570                 575     


<210>  84
<211>  571
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V3 format

<400>  84

Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr 
            20                  25                  30          


Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile 
        35                  40                  45              


Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly 
            100                 105                 110         


Thr Thr Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe 
        115                 120                 125             


Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu 
    130                 135                 140                 


Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp 
145                 150                 155                 160 


Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu 
                165                 170                 175     


Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser 
            180                 185                 190         


Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro 
        195                 200                 205             


Ser Asn Thr Lys Val Asp Lys Lys Val Gly Gly Gly Gly Ser Asp Lys 
    210                 215                 220                 


Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro 
225                 230                 235                 240 


Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser 
                245                 250                 255     


Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp 
            260                 265                 270         


Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn 
        275                 280                 285             


Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val 
    290                 295                 300                 


Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu 
305                 310                 315                 320 


Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys 
                325                 330                 335     


Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr 
            340                 345                 350         


Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser Leu Thr 
        355                 360                 365             


Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu 
    370                 375                 380                 


Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu 
385                 390                 395                 400 


Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys 
                405                 410                 415     


Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu 
            420                 425                 430         


Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly 
        435                 440                 445             


Lys Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gln Val Gln Leu Val 
    450                 455                 460                 


Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly Ser Leu Arg Leu Ser 
465                 470                 475                 480 


Cys Ala Ala Ser Gly Leu Thr Phe Ser Leu Tyr Asp Met Gly Trp Phe 
                485                 490                 495     


Arg Gln Ala Pro Gly Lys Glu Arg Glu Trp Val Ala Thr Ile Thr Ser 
            500                 505                 510         


Ser Gly Asn Thr Gly Tyr Ala Glu Ser Val Lys Gly Arg Phe Thr Val 
        515                 520                 525             


Ser Arg Asp Asn Gly Lys Lys Thr Gly Tyr Leu Gln Thr Asn Asn Leu 
    530                 535                 540                 


Lys Pro Glu Asp Thr Ala Leu Tyr Tyr Cys Tyr Val Pro Phe Leu Gly 
545                 550                 555                 560 


Arg Gly Tyr Gly Thr Leu Val Thr Val Ser Ser 
                565                 570     


<210>  85
<211>  576
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 TsAb in 
       TrSpecific-V3 format

<400>  85

Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr 
            20                  25                  30          


Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile 
        35                  40                  45              


Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly 
            100                 105                 110         


Thr Thr Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe 
        115                 120                 125             


Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu 
    130                 135                 140                 


Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp 
145                 150                 155                 160 


Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu 
                165                 170                 175     


Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser 
            180                 185                 190         


Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro 
        195                 200                 205             


Ser Asn Thr Lys Val Asp Lys Lys Val Glu Pro Lys Ser Cys Asp Lys 
    210                 215                 220                 


Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro 
225                 230                 235                 240 


Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser 
                245                 250                 255     


Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp 
            260                 265                 270         


Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn 
        275                 280                 285             


Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val 
    290                 295                 300                 


Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu 
305                 310                 315                 320 


Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys 
                325                 330                 335     


Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr 
            340                 345                 350         


Leu Pro Pro Tyr Arg Glu Glu Met Thr Lys Asn Gln Val Ser Leu Tyr 
        355                 360                 365             


Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu 
    370                 375                 380                 


Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu 
385                 390                 395                 400 


Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys 
                405                 410                 415     


Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu 
            420                 425                 430         


Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly 
        435                 440                 445             


Lys Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser 
    450                 455                 460                 


Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
465                 470                 475                 480 


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Phe Ser Leu Tyr 
                485                 490                 495     


Asp Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Trp Val 
            500                 505                 510         


Ala Thr Ile Thr Ser Ser Gly Asn Thr Gly Tyr Ala Glu Ser Val Lys 
        515                 520                 525             


Gly Arg Phe Thr Val Ser Arg Asp Asn Gly Lys Lys Thr Gly Tyr Leu 
    530                 535                 540                 


Gln Thr Asn Asn Leu Lys Pro Glu Asp Thr Ala Leu Tyr Tyr Cys Tyr 
545                 550                 555                 560 


Val Pro Phe Leu Gly Arg Gly Tyr Gly Thr Leu Val Thr Val Ser Ser 
                565                 570                 575     


<210>  86
<211>  571
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 TsAb in 
       TrSpecific-V3 format

<400>  86

Glu Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr 
            20                  25                  30          


Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile 
        35                  40                  45              


Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Lys Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly 
            100                 105                 110         


Thr Thr Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe 
        115                 120                 125             


Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu 
    130                 135                 140                 


Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp 
145                 150                 155                 160 


Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu 
                165                 170                 175     


Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser 
            180                 185                 190         


Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro 
        195                 200                 205             


Ser Asn Thr Lys Val Asp Lys Lys Val Gly Gly Gly Gly Ser Asp Lys 
    210                 215                 220                 


Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro 
225                 230                 235                 240 


Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser 
                245                 250                 255     


Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp 
            260                 265                 270         


Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn 
        275                 280                 285             


Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val 
    290                 295                 300                 


Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu 
305                 310                 315                 320 


Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys 
                325                 330                 335     


Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr 
            340                 345                 350         


Leu Pro Pro Tyr Arg Glu Glu Met Thr Lys Asn Gln Val Ser Leu Tyr 
        355                 360                 365             


Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu 
    370                 375                 380                 


Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu 
385                 390                 395                 400 


Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys 
                405                 410                 415     


Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu 
            420                 425                 430         


Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly 
        435                 440                 445             


Lys Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gln Val Gln Leu Val 
    450                 455                 460                 


Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly Ser Leu Arg Leu Ser 
465                 470                 475                 480 


Cys Ala Ala Ser Gly Leu Thr Phe Ser Leu Tyr Asp Met Gly Trp Phe 
                485                 490                 495     


Arg Gln Ala Pro Gly Lys Glu Arg Glu Trp Val Ala Thr Ile Thr Ser 
            500                 505                 510         


Ser Gly Asn Thr Gly Tyr Ala Glu Ser Val Lys Gly Arg Phe Thr Val 
        515                 520                 525             


Ser Arg Asp Asn Gly Lys Lys Thr Gly Tyr Leu Gln Thr Asn Asn Leu 
    530                 535                 540                 


Lys Pro Glu Asp Thr Ala Leu Tyr Tyr Cys Tyr Val Pro Phe Leu Gly 
545                 550                 555                 560 


Arg Gly Tyr Gly Thr Leu Val Thr Val Ser Ser 
                565                 570     


<210>  87
<211>  576
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V4 format

<400>  87

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Phe Ser Leu Tyr 
            20                  25                  30          


Asp Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Trp Val 
        35                  40                  45              


Ala Thr Ile Thr Ser Ser Gly Asn Thr Gly Tyr Ala Glu Ser Val Lys 
    50                  55                  60                  


Gly Arg Phe Thr Val Ser Arg Asp Asn Gly Lys Lys Thr Gly Tyr Leu 
65                  70                  75                  80  


Gln Thr Asn Asn Leu Lys Pro Glu Asp Thr Ala Leu Tyr Tyr Cys Tyr 
                85                  90                  95      


Val Pro Phe Leu Gly Arg Gly Tyr Gly Thr Leu Val Thr Val Ser Ser 
            100                 105                 110         


Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Glu 
        115                 120                 125             


Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala Ser 
    130                 135                 140                 


Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr Thr 
145                 150                 155                 160 


Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile Gly 
                165                 170                 175     


Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe Lys 
            180                 185                 190         


Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr Met 
        195                 200                 205             


Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys Ala 
    210                 215                 220                 


Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly Thr 
225                 230                 235                 240 


Thr Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe Pro 
                245                 250                 255     


Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu Gly 
            260                 265                 270         


Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp Asn 
        275                 280                 285             


Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu Gln 
    290                 295                 300                 


Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser Ser 
305                 310                 315                 320 


Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro Ser 
                325                 330                 335     


Asn Thr Lys Val Asp Lys Lys Val Glu Pro Lys Ser Cys Asp Lys Thr 
            340                 345                 350         


His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser 
        355                 360                 365             


Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg 
    370                 375                 380                 


Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp Pro 
385                 390                 395                 400 


Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala 
                405                 410                 415     


Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val 
            420                 425                 430         


Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr 
        435                 440                 445             


Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr 
    450                 455                 460                 


Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu 
465                 470                 475                 480 


Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser Leu Thr Cys 
                485                 490                 495     


Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser 
            500                 505                 510         


Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp 
        515                 520                 525             


Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser 
    530                 535                 540                 


Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala 
545                 550                 555                 560 


Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys 
                565                 570                 575     


<210>  88
<211>  571
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 BsAb in 
       BiSpecific-V4 format

<400>  88

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Phe Ser Leu Tyr 
            20                  25                  30          


Asp Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Trp Val 
        35                  40                  45              


Ala Thr Ile Thr Ser Ser Gly Asn Thr Gly Tyr Ala Glu Ser Val Lys 
    50                  55                  60                  


Gly Arg Phe Thr Val Ser Arg Asp Asn Gly Lys Lys Thr Gly Tyr Leu 
65                  70                  75                  80  


Gln Thr Asn Asn Leu Lys Pro Glu Asp Thr Ala Leu Tyr Tyr Cys Tyr 
                85                  90                  95      


Val Pro Phe Leu Gly Arg Gly Tyr Gly Thr Leu Val Thr Val Ser Ser 
            100                 105                 110         


Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Glu Val Gln Leu Gln Glu 
        115                 120                 125             


Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala Ser Val Lys Met Ser Cys 
    130                 135                 140                 


Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr Thr Met His Trp Val Lys 
145                 150                 155                 160 


Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile Gly Tyr Ile Asn Pro Ser 
                165                 170                 175     


Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe Lys Asp Lys Ala Thr Leu 
            180                 185                 190         


Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr Met Glu Leu Ser Ser Leu 
        195                 200                 205             


Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys Ala Arg Trp Gln Asp Tyr 
    210                 215                 220                 


Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly Thr Thr Leu Thr Val Ser 
225                 230                 235                 240 


Ser Ala Ser Thr Lys Gly Pro Ser Val Phe Pro Leu Ala Pro Ser Ser 
                245                 250                 255     


Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu Gly Cys Leu Val Lys Asp 
            260                 265                 270         


Tyr Phe Pro Glu Pro Val Thr Val Ser Trp Asn Ser Gly Ala Leu Thr 
        275                 280                 285             


Ser Gly Val His Thr Phe Pro Ala Val Leu Gln Ser Ser Gly Leu Tyr 
    290                 295                 300                 


Ser Leu Ser Ser Val Val Thr Val Pro Ser Ser Ser Leu Gly Thr Gln 
305                 310                 315                 320 


Thr Tyr Ile Cys Asn Val Asn His Lys Pro Ser Asn Thr Lys Val Asp 
                325                 330                 335     


Lys Lys Val Gly Gly Gly Gly Ser Asp Lys Thr His Thr Cys Pro Pro 
            340                 345                 350         


Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro 
        355                 360                 365             


Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr 
    370                 375                 380                 


Cys Val Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn 
385                 390                 395                 400 


Trp Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg 
                405                 410                 415     


Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val 
            420                 425                 430         


Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser 
        435                 440                 445             


Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys 
    450                 455                 460                 


Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser Arg Asp 
465                 470                 475                 480 


Glu Leu Thr Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe 
                485                 490                 495     


Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu 
            500                 505                 510         


Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe 
        515                 520                 525             


Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly 
    530                 535                 540                 


Asn Val Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr 
545                 550                 555                 560 


Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys 
                565                 570     


<210>  89
<211>  576
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V4 format

<400>  89

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Phe Ser Leu Tyr 
            20                  25                  30          


Asp Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Trp Val 
        35                  40                  45              


Ala Thr Ile Thr Ser Ser Gly Asn Thr Gly Tyr Ala Glu Ser Val Lys 
    50                  55                  60                  


Gly Arg Phe Thr Val Ser Arg Asp Asn Gly Lys Lys Thr Gly Tyr Leu 
65                  70                  75                  80  


Gln Thr Asn Asn Leu Lys Pro Glu Asp Thr Ala Leu Tyr Tyr Cys Tyr 
                85                  90                  95      


Val Pro Phe Leu Gly Arg Gly Tyr Gly Thr Leu Val Thr Val Ser Ser 
            100                 105                 110         


Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Glu 
        115                 120                 125             


Val Gln Leu Gln Glu Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala Ser 
    130                 135                 140                 


Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr Thr 
145                 150                 155                 160 


Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile Gly 
                165                 170                 175     


Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe Lys 
            180                 185                 190         


Asp Lys Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr Met 
        195                 200                 205             


Glu Leu Ser Ser Leu Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys Ala 
    210                 215                 220                 


Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly Thr 
225                 230                 235                 240 


Thr Leu Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe Pro 
                245                 250                 255     


Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu Gly 
            260                 265                 270         


Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp Asn 
        275                 280                 285             


Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu Gln 
    290                 295                 300                 


Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser Ser 
305                 310                 315                 320 


Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro Ser 
                325                 330                 335     


Asn Thr Lys Val Asp Lys Lys Val Glu Pro Lys Ser Cys Asp Lys Thr 
            340                 345                 350         


His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser 
        355                 360                 365             


Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg 
    370                 375                 380                 


Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp Pro 
385                 390                 395                 400 


Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala 
                405                 410                 415     


Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val 
            420                 425                 430         


Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr 
        435                 440                 445             


Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr 
    450                 455                 460                 


Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu 
465                 470                 475                 480 


Pro Pro Tyr Arg Glu Glu Met Thr Lys Asn Gln Val Ser Leu Tyr Cys 
                485                 490                 495     


Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser 
            500                 505                 510         


Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp 
        515                 520                 525             


Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser 
    530                 535                 540                 


Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala 
545                 550                 555                 560 


Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys 
                565                 570                 575     


<210>  90
<211>  571
<212>  PRT
<213>  Artificial

<220>
<223>  Exemplary chain 1 sequence of Claudin 18.2/CD3 TsAb in 
       TriSpecific-V4 format

<400>  90

Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Ala Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Phe Ser Leu Tyr 
            20                  25                  30          


Asp Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Trp Val 
        35                  40                  45              


Ala Thr Ile Thr Ser Ser Gly Asn Thr Gly Tyr Ala Glu Ser Val Lys 
    50                  55                  60                  


Gly Arg Phe Thr Val Ser Arg Asp Asn Gly Lys Lys Thr Gly Tyr Leu 
65                  70                  75                  80  


Gln Thr Asn Asn Leu Lys Pro Glu Asp Thr Ala Leu Tyr Tyr Cys Tyr 
                85                  90                  95      


Val Pro Phe Leu Gly Arg Gly Tyr Gly Thr Leu Val Thr Val Ser Ser 
            100                 105                 110         


Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Glu Val Gln Leu Gln Glu 
        115                 120                 125             


Ser Gly Ala Glu Leu Ala Arg Pro Gly Ala Ser Val Lys Met Ser Cys 
    130                 135                 140                 


Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr Thr Met His Trp Val Lys 
145                 150                 155                 160 


Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile Gly Tyr Ile Asn Pro Ser 
                165                 170                 175     


Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe Lys Asp Lys Ala Thr Leu 
            180                 185                 190         


Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr Met Glu Leu Ser Ser Leu 
        195                 200                 205             


Thr Ser Glu Asp Ser Ala Val Tyr Tyr Cys Ala Arg Trp Gln Asp Tyr 
    210                 215                 220                 


Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly Thr Thr Leu Thr Val Ser 
225                 230                 235                 240 


Ser Ala Ser Thr Lys Gly Pro Ser Val Phe Pro Leu Ala Pro Ser Ser 
                245                 250                 255     


Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu Gly Cys Leu Val Lys Asp 
            260                 265                 270         


Tyr Phe Pro Glu Pro Val Thr Val Ser Trp Asn Ser Gly Ala Leu Thr 
        275                 280                 285             


Ser Gly Val His Thr Phe Pro Ala Val Leu Gln Ser Ser Gly Leu Tyr 
    290                 295                 300                 


Ser Leu Ser Ser Val Val Thr Val Pro Ser Ser Ser Leu Gly Thr Gln 
305                 310                 315                 320 


Thr Tyr Ile Cys Asn Val Asn His Lys Pro Ser Asn Thr Lys Val Asp 
                325                 330                 335     


Lys Lys Val Gly Gly Gly Gly Ser Asp Lys Thr His Thr Cys Pro Pro 
            340                 345                 350         


Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro 
        355                 360                 365             


Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr 
    370                 375                 380                 


Cys Val Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn 
385                 390                 395                 400 


Trp Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg 
                405                 410                 415     


Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val 
            420                 425                 430         


Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser 
        435                 440                 445             


Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys 
    450                 455                 460                 


Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Tyr Arg Glu 
465                 470                 475                 480 


Glu Met Thr Lys Asn Gln Val Ser Leu Tyr Cys Leu Val Lys Gly Phe 
                485                 490                 495     


Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu 
            500                 505                 510         


Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe 
        515                 520                 525             


Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly 
    530                 535                 540                 


Asn Val Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr 
545                 550                 555                 560 


Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys 
                565                 570     


<210>  91
<211>  116
<212>  PRT
<213>  Artificial

<220>
<223>  Humanized Claudin 18.2 VHH sequence

<400>  91

Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Thr Ala Ser Gly Asp Arg Phe Ser Ser Tyr 
            20                  25                  30          


Ala Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Tyr Val 
        35                  40                  45              


Ala Ala Val Ser Trp Ser Gly Arg Ile Thr Asp Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ser Lys Asn Thr Val Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Tyr Ala Asn Leu Leu Trp Arg Asp His Trp Gly Gln Gly Thr Leu Val 
            100                 105                 110         


Thr Val Ser Ser 
        115     


<210>  92
<211>  116
<212>  PRT
<213>  Artificial

<220>
<223>  Humanized Claudin 18.2 VHH sequence

<400>  92

Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Thr Ala Ser Gly Asp Arg Phe Ser Ser Tyr 
            20                  25                  30          


Ala Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Phe Val 
        35                  40                  45              


Ala Ala Val Ser Trp Ser Gly Arg Ile Thr Asp Tyr Ala Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ser Lys Asn Thr Val Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Lys Ala Glu Asp Thr Ser Val Tyr Tyr Cys 
                85                  90                  95      


Tyr Ala Asn Leu Leu Trp Arg Asp His Trp Gly Gln Gly Thr Leu Val 
            100                 105                 110         


Thr Val Ser Ser 
        115     


<210>  93
<211>  112
<212>  PRT
<213>  Artificial

<220>
<223>  Humanized Claudin 18.2 VHH sequence

<400>  93

Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Phe Ser Leu Tyr 
            20                  25                  30          


Asp Met Gly Trp Val Arg Gln Ala Pro Gly Lys Glu Arg Glu Trp Val 
        35                  40                  45              


Ala Thr Ile Thr Ser Ser Gly Asn Thr Gly Tyr Ala Glu Ser Val Lys 
    50                  55                  60                  


Gly Arg Phe Thr Val Ser Arg Asp Asn Ala Lys Asn Ser Gly Tyr Leu 
65                  70                  75                  80  


Gln Thr Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys Tyr 
                85                  90                  95      


Val Pro Phe Leu Gly Arg Gly Arg Gly Thr Leu Val Thr Val Ser Ser 
            100                 105                 110         


<210>  94
<211>  112
<212>  PRT
<213>  Artificial

<220>
<223>  Humanized Claudin 18.2 VHH sequence

<400>  94

Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Phe Ser Leu Tyr 
            20                  25                  30          


Asp Met Gly Trp Phe Arg Gln Ala Pro Gly Lys Glu Arg Glu Trp Val 
        35                  40                  45              


Ala Thr Ile Thr Ser Ser Gly Asn Thr Gly Tyr Ala Glu Ser Val Lys 
    50                  55                  60                  


Gly Arg Phe Thr Val Ser Arg Asp Asn Ala Lys Asn Ser Gly Tyr Leu 
65                  70                  75                  80  


Gln Thr Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys Tyr 
                85                  90                  95      


Val Pro Phe Leu Gly Arg Gly Tyr Gly Thr Leu Val Thr Val Ser Ser 
            100                 105                 110         


<210>  95
<211>  119
<212>  PRT
<213>  Artificial

<220>
<223>  CD3 VH sequence

<400>  95

Gln Val Gln Leu Gln Glu Ser Gly Ala Glu Val Ala Lys Pro Gly Ala 
1               5                   10                  15      


Ser Val Lys Met Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Ser Tyr 
            20                  25                  30          


Thr Met His Trp Val Lys Gln Arg Pro Gly Glu Gly Leu Glu Trp Ile 
        35                  40                  45              


Gly Tyr Ile Asn Pro Ser Ser Gly Tyr Thr Lys Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Lys Asp Arg Ala Thr Leu Thr Ala Asp Lys Ser Ser Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Thr Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Trp Gln Asp Tyr Asp Val Tyr Phe Asp Tyr Trp Gly Glu Gly 
            100                 105                 110         


Thr Thr Leu Thr Val Ser Ser 
        115                 


<210>  96
<211>  106
<212>  PRT
<213>  Artificial

<220>
<223>  CD3 VL sequence

<400>  96

Gln Ile Val Leu Thr Gln Ser Pro Ala Ser Leu Ser Ala Ser Pro Gly 
1               5                   10                  15      


Asp Arg Val Thr Met Thr Cys Arg Ala Ser Ser Ser Val Ser Tyr Ile 
            20                  25                  30          


His Trp Phe Gln Gln Lys Pro Gly Ser Ser Pro Lys Pro Trp Ile Tyr 
        35                  40                  45              


Ala Thr Ser Asn Leu Ala Ser Gly Val Pro Ser Arg Phe Ser Gly Ser 
    50                  55                  60                  


Gly Ser Gly Thr Ser Tyr Thr Leu Thr Ile Ser Arg Val Glu Pro Glu 
65                  70                  75                  80  


Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Trp Thr Ser Asn Pro Pro Thr 
                85                  90                  95      


Phe Gly Gly Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


