                         SEQUENCE LISTING

<110>  BLISS BIOPHARMACEUTICAL (HANGZHOU) CO., LTD.
 
<120>  MODIFIED EGFR ANTIBODY WITH REDUCED AFFINITY, DRUG CONJUGATE, AND
        USE THEREOF

<130>  P21408901C

<150>  PCT/CN2020/130409
<151>  2020-11-20

<150>  PCT/CN2020/130417
<151>  2020-11-20

<160>  23    

<170>  PatentIn version 3.5

<210>  1
<211>  119
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  VH of BB0500-2f1, BB0500-2f, BB0500-2n and BB0500-2fg

<400>  1

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


Thr Leu Ser Leu Thr Cys Thr Val Ser Gly Gly Ser Val Ser Ser Gly 
            20                  25                  30          


Asp Tyr Tyr Trp Thr Trp Ile Arg Gln Ser Pro Gly Lys Gly Leu Glu 
        35                  40                  45              


Trp Ile Gly His Ile Tyr Tyr Ser Gly Asn Ala Asn Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Ser Ile Asp Thr Ser Lys Thr Gln Phe 
65                  70                  75                  80  


Ser Leu Lys Leu Ser Ser Val Thr Ala Ala Asp Thr Ala Ile Tyr Tyr 
                85                  90                  95      


Cys Val Arg Asp Arg Val Thr Gly Ala Phe Asp Ile Trp Gly Gln Gly 
            100                 105                 110         


Thr Met Val Thr Val Ser Ser 
        115                 


<210>  2
<211>  107
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  VL of BB0500-2f1 and BB0500-2g1

<400>  2

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


Asp Arg Val Thr Ile Thr Cys Gln Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


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


Ser Gly Ser Gly Thr Asp Phe Thr Phe Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln His Phe Asp His Leu Pro Leu 
                85                  90                  95      


Ala Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210>  3
<211>  119
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  VH of BB0500-2f2 and BB0500-2g2

<400>  3

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


Thr Leu Ser Leu Thr Cys Thr Val Ser Gly Gly Ser Val Ser Ser Gly 
            20                  25                  30          


Asp Tyr Tyr Trp Thr Trp Ile Arg Gln Ser Pro Gly Lys Gly Leu Glu 
        35                  40                  45              


Trp Ile Gly His Ile Tyr Tyr Ser Gly Asn Thr Asn Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Ser Ile Asp Thr Ser Lys Thr Gln Phe 
65                  70                  75                  80  


Ser Leu Lys Leu Ser Ser Val Thr Ala Ala Asp Thr Ala Ile Tyr Tyr 
                85                  90                  95      


Cys Val Arg Asp Arg Val Thr Gly Ala Phe Asp Ile Trp Gly Gln Gly 
            100                 105                 110         


Thr Met Val Thr Val Ser Ser 
        115                 


<210>  4
<211>  107
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  VL of BB0500-2f2, BB0500-2f, BB0500-2n and BB0500-2gf

<400>  4

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


Asp Arg Val Thr Ile Thr Cys Gln Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


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


Ser Gly Ser Gly Thr Asp Phe Thr Phe Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln His Phe Asp His Leu Pro Leu 
                85                  90                  95      


Ala Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210>  5
<211>  119
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  VH of BB0500-2g1, BB0500-2g, and BB0500-2gf

<400>  5

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


Thr Leu Ser Leu Thr Cys Thr Val Ser Gly Gly Ser Val Ser Ser Gly 
            20                  25                  30          


Asp Tyr Tyr Trp Thr Trp Ile Arg Gln Ser Pro Gly Lys Gly Leu Glu 
        35                  40                  45              


Trp Ile Gly His Ile Tyr Tyr Ser Gly Asn Thr Asn Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Ser Ile Asp Thr Ser Lys Thr Gln Phe 
65                  70                  75                  80  


Ser Leu Lys Leu Ser Ser Val Thr Ala Ala Asp Thr Ala Ile Tyr Tyr 
                85                  90                  95      


Cys Val Arg Asp Arg Val Ala Gly Ala Phe Asp Ile Trp Gly Gln Gly 
            100                 105                 110         


Thr Met Val Thr Val Ser Ser 
        115                 


<210>  6
<211>  107
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  VL of BB0500-2g2, BB0500-2g, and BB0500-2fg

<400>  6

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


Asp Arg Val Thr Ile Thr Cys Gln Ala Ser Gln Asp Ile Ser Asn Ala 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


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


Ser Gly Ser Gly Thr Asp Phe Thr Phe Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln His Phe Asp His Leu Pro Leu 
                85                  90                  95      


Ala Phe Gly Gly Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210>  7
<211>  450
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  BB0500-2f1/2f/2fg heavy chain

<400>  7

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


Thr Leu Ser Leu Thr Cys Thr Val Ser Gly Gly Ser Val Ser Ser Gly 
            20                  25                  30          


Asp Tyr Tyr Trp Thr Trp Ile Arg Gln Ser Pro Gly Lys Gly Leu Glu 
        35                  40                  45              


Trp Ile Gly His Ile Tyr Tyr Ser Gly Asn Ala Asn Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Ser Ile Asp Thr Ser Lys Thr Gln Phe 
65                  70                  75                  80  


Ser Leu Lys Leu Ser Ser Val Thr Ala Ala Asp Thr Ala Ile Tyr Tyr 
                85                  90                  95      


Cys Val Arg Asp Arg Val Thr Gly Ala Phe Asp Ile Trp Gly Gln Gly 
            100                 105                 110         


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


Pro Leu Ala Pro Cys Ser Arg Ser Thr Ser Glu Ser 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 Asn Phe Gly Thr Gln Thr Tyr Thr Cys Asn Val Asp His Lys Pro 
        195                 200                 205             


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


Gly Lys 
    450 


<210>  8
<211>  214
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  BB0500-2f1/2g1 light chain

<400>  8

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


Asp Arg Val Thr Ile Thr Cys Gln Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


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


Ser Gly Ser Gly Thr Asp Phe Thr Phe Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln His Phe Asp His Leu Pro Leu 
                85                  90                  95      


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


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


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


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


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


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


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


Phe Asn Arg Gly Glu Cys 
    210                 


<210>  9
<211>  451
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  BB0500-2f2/2g2 heavy chain

<400>  9

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


Thr Leu Ser Leu Thr Cys Thr Val Ser Gly Gly Ser Val Ser Ser Gly 
            20                  25                  30          


Asp Tyr Tyr Trp Thr Trp Ile Arg Gln Ser Pro Gly Lys Gly Leu Glu 
        35                  40                  45              


Trp Ile Gly His Ile Tyr Tyr Ser Gly Asn Thr Asn Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Ser Ile Asp Thr Ser Lys Thr Gln Phe 
65                  70                  75                  80  


Ser Leu Lys Leu Ser Ser Val Thr Ala Ala Asp Thr Ala Ile Tyr Tyr 
                85                  90                  95      


Cys Val Arg Asp Arg Val Thr Gly Ala Phe Asp Ile Trp Gly Gln Gly 
            100                 105                 110         


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


Pro Leu Ala Pro Cys Ser Arg Ser Thr Ser Glu Ser 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 Asn Phe Gly Thr Gln Thr Tyr Thr Cys Asn Val Asp His Lys Pro 
        195                 200                 205             


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


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


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


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


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


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


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


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


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


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


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


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


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


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
            420                 425                 430         


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


Pro Gly Lys 
    450     


<210>  10
<211>  214
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  BB0500-2f2/2f/2gf/2n light chain

<400>  10

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


Asp Arg Val Thr Ile Thr Cys Gln Ala Ser Gln Asp Ile Ser Asn Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


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


Ser Gly Ser Gly Thr Asp Phe Thr Phe Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln His Phe Asp His Leu Pro Leu 
                85                  90                  95      


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


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


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


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


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


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


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


Phe Asn Arg Gly Glu Cys 
    210                 


<210>  11
<211>  451
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  BB0500-2g1/2g/2gf heavy chain

<400>  11

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


Thr Leu Ser Leu Thr Cys Thr Val Ser Gly Gly Ser Val Ser Ser Gly 
            20                  25                  30          


Asp Tyr Tyr Trp Thr Trp Ile Arg Gln Ser Pro Gly Lys Gly Leu Glu 
        35                  40                  45              


Trp Ile Gly His Ile Tyr Tyr Ser Gly Asn Thr Asn Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Ser Ile Asp Thr Ser Lys Thr Gln Phe 
65                  70                  75                  80  


Ser Leu Lys Leu Ser Ser Val Thr Ala Ala Asp Thr Ala Ile Tyr Tyr 
                85                  90                  95      


Cys Val Arg Asp Arg Val Ala Gly Ala Phe Asp Ile Trp Gly Gln Gly 
            100                 105                 110         


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


Pro Leu Ala Pro Cys Ser Arg Ser Thr Ser Glu Ser 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 Asn Phe Gly Thr Gln Thr Tyr Thr Cys Asn Val Asp His Lys Pro 
        195                 200                 205             


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


Lys Thr His Thr Val Glu Cys Pro Pro Cys Pro Ala Pro Pro Val Ala 
225                 230                 235                 240 


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


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


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


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Phe Asn Ser Thr Phe 
    290                 295                 300                 


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


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


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


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


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


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


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


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
            420                 425                 430         


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


Pro Gly Lys 
    450     


<210>  12
<211>  214
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  BB0500-2g2/2g/2fg light chain

<400>  12

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


Asp Arg Val Thr Ile Thr Cys Gln Ala Ser Gln Asp Ile Ser Asn Ala 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


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


Ser Gly Ser Gly Thr Asp Phe Thr Phe Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln His Phe Asp His Leu Pro Leu 
                85                  90                  95      


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


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


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


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


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


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


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


Phe Asn Arg Gly Glu Cys 
    210                 


<210>  13
<211>  452
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  BB0500-2n heavy chain

<400>  13

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


Thr Leu Ser Leu Thr Cys Thr Val Ser Gly Gly Ser Val Ser Ser Gly 
            20                  25                  30          


Asp Tyr Tyr Trp Thr Trp Ile Arg Gln Ser Pro Gly Lys Gly Leu Glu 
        35                  40                  45              


Trp Ile Gly His Ile Tyr Tyr Ser Gly Asn Ala Asn Tyr Asn Pro Ser 
    50                  55                  60                  


Leu Lys Ser Arg Leu Thr Ile Ser Ile Asp Thr Ser Lys Thr Gln Phe 
65                  70                  75                  80  


Ser Leu Lys Leu Ser Ser Val Thr Ala Ala Asp Thr Ala Ile Tyr Tyr 
                85                  90                  95      


Cys Val Arg Asp Arg Val Thr Gly Ala Phe Asp Ile Trp Gly Gln Gly 
            100                 105                 110         


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


Pro Leu Ala Pro Cys Ser Arg Ser Thr Ser Glu Ser 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 Asn Phe Gly Thr Gln Thr Tyr Thr Cys Asn Val Asp His Lys Pro 
        195                 200                 205             


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


Lys Thr His Thr Val Glu Cys Pro Pro Cys Pro Ala Pro Glu Ala Ala 
225                 230                 235                 240 


Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu 
                245                 250                 255     


Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser 
            260                 265                 270         


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


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


Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn 
305                 310                 315                 320 


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


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


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


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


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


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


Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val 
            420                 425                 430         


Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu 
        435                 440                 445             


Ser Pro Gly Lys 
    450         


<210>  14
<211>  9
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  VH CDR1 of BB0500-2f1/2f2/2g1/2g2/2f/2g/2fg/2gf/2n, wt

<400>  14

Gly Gly Ser Val Ser Ser Gly Asp Tyr 
1               5                   


<210>  15
<211>  6
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  VH CDR2 of BB0500-2f/2f1/2fg/2n, with T59A mutation

<400>  15

Tyr Tyr Ser Gly Asn Ala 
1               5       


<210>  16
<211>  6
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  VH CDR2 of BB0500-2f2/2g1/2g2/2g/2gf, wt

<400>  16

Tyr Tyr Ser Gly Asn Thr 
1               5       


<210>  17
<211>  9
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  VH CDR3 of BB0500-2g/2g1/2gf, with T103A mutation

<400>  17

Asp Arg Val Ala Gly Ala Phe Asp Ile 
1               5                   


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

<220>
<223>  VH CDR3 of BB0500-2f1/2f2/2g2/2f/2fg/2n, wt

<400>  18

Asp Arg Val Thr Gly Ala Phe Asp Ile 
1               5                   


<210>  19
<211>  11
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  VL CDR1 of BB0500-2g2/2g/2fg, with Y32A mutation

<400>  19

Gln Ala Ser Gln Asp Ile Ser Asn Ala Leu Asn 
1               5                   10      


<210>  20
<211>  11
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  VL CDR1 of BB0500-2f1/2f2/2g1/2f/2gf/2n, wt

<400>  20

Gln Ala Ser Gln Asp Ile Ser Asn Tyr Leu Asn 
1               5                   10      


<210>  21
<211>  7
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  VL CDR2 of BB0500-2f2/2f/2gf/2n, with D50A mutation

<400>  21

Ala Ala Ser Asn Leu Glu Thr 
1               5           


<210>  22
<211>  7
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  VL CDR2 of BB0500-2f1/2g1/2g2/2g/2fg, wt

<400>  22

Asp Ala Ser Asn Leu Glu Thr 
1               5           


<210>  23
<211>  9
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  VL CDR3 of BB0500-2f1/2f2/2g1/2g2/2f/2g/2fg/2gf/2n, wt

<400>  23

Gln His Phe Asp His Leu Pro Leu Ala 
1               5                   


