                         SEQUENCE LISTING

<110>  National Research Council of Canada
 
<120>  ACE2-Receptor Ectodomain Fusion Molecules and Uses Thereof

<130>  2021-089-02

<140>  PCT/IB2022/050650
<141>  2022-01-25

<150>  US 63/141,594
<151>  2021-01-26

<160>  31    

<170>  PatentIn version 3.5

<210>  1
<211>  597
<212>  PRT
<213>  Homo sapiens

<400>  1

Gln Ser Thr Ile Glu Glu Gln Ala Lys Thr Phe Leu Asp Lys Phe Asn 
1               5                   10                  15      


His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp Asn 
            20                  25                  30          


Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn Ala 
        35                  40                  45              


Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala Gln 
    50                  55                  60                  


Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Thr Val Lys Leu Gln Leu 
65                  70                  75                  80  


Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys Ser 
                85                  90                  95      


Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser Thr 
            100                 105                 110         


Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu Glu 
        115                 120                 125             


Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu Arg 
    130                 135                 140                 


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


Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg Ala 
                165                 170                 175     


Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu Val 
            180                 185                 190         


Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu Asp 
        195                 200                 205             


Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu His 
    210                 215                 220                 


Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile Ser 
225                 230                 235                 240 


Pro Ile Gly Cys Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly Arg 
                245                 250                 255     


Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys Pro 
            260                 265                 270         


Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala Gln 
        275                 280                 285             


Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu Pro 
    290                 295                 300                 


Asn Met Thr Gln Gly Phe Trp Glu Asn Ser Met Leu Thr Asp Pro Gly 
305                 310                 315                 320 


Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly Lys 
                325                 330                 335     


Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp Phe 
            340                 345                 350         


Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala Tyr 
        355                 360                 365             


Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe His 
    370                 375                 380                 


Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys His 
385                 390                 395                 400 


Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn Glu 
                405                 410                 415     


Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly Thr 
            420                 425                 430         


Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe Lys 
        435                 440                 445             


Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met Lys 
    450                 455                 460                 


Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr Tyr 
465                 470                 475                 480 


Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe Ile 
                485                 490                 495     


Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala Leu 
            500                 505                 510         


Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile Ser 
        515                 520                 525             


Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu Gly 
    530                 535                 540                 


Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala Lys 
545                 550                 555                 560 


Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe Thr 
                565                 570                 575     


Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr Asp 
            580                 585                 590         


Trp Ser Pro Tyr Ala 
        595         


<210>  2
<211>  597
<212>  PRT
<213>  Homo sapiens

<400>  2

Gln Ser Thr Ile Glu Glu Gln Ala Lys Thr Phe Leu Asp Lys Phe Asn 
1               5                   10                  15      


His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp Asn 
            20                  25                  30          


Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn Ala 
        35                  40                  45              


Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala Gln 
    50                  55                  60                  


Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Ile Val Lys Leu Gln Leu 
65                  70                  75                  80  


Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys Ser 
                85                  90                  95      


Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser Thr 
            100                 105                 110         


Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu Glu 
        115                 120                 125             


Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu Arg 
    130                 135                 140                 


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


Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg Ala 
                165                 170                 175     


Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu Val 
            180                 185                 190         


Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu Asp 
        195                 200                 205             


Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu His 
    210                 215                 220                 


Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile Ser 
225                 230                 235                 240 


Pro Ile Gly Cys Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly Arg 
                245                 250                 255     


Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys Pro 
            260                 265                 270         


Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala Gln 
        275                 280                 285             


Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu Pro 
    290                 295                 300                 


Asn Met Thr Gln Gly Phe Trp Glu Asn Ser Met Leu Thr Asp Pro Gly 
305                 310                 315                 320 


Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly Lys 
                325                 330                 335     


Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp Phe 
            340                 345                 350         


Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala Tyr 
        355                 360                 365             


Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe His 
    370                 375                 380                 


Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys His 
385                 390                 395                 400 


Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn Glu 
                405                 410                 415     


Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly Thr 
            420                 425                 430         


Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe Lys 
        435                 440                 445             


Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met Lys 
    450                 455                 460                 


Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr Tyr 
465                 470                 475                 480 


Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe Ile 
                485                 490                 495     


Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala Leu 
            500                 505                 510         


Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile Ser 
        515                 520                 525             


Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu Gly 
    530                 535                 540                 


Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala Lys 
545                 550                 555                 560 


Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe Thr 
                565                 570                 575     


Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr Asp 
            580                 585                 590         


Trp Ser Pro Tyr Ala 
        595         


<210>  3
<211>  597
<212>  PRT
<213>  Artificial sequence

<220>
<223>  Mutant hACE2 (T27Y, N330Y)

<400>  3

Gln Ser Thr Ile Glu Glu Gln Ala Lys Tyr Phe Leu Asp Lys Phe Asn 
1               5                   10                  15      


His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp Asn 
            20                  25                  30          


Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn Ala 
        35                  40                  45              


Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala Gln 
    50                  55                  60                  


Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Thr Val Lys Leu Gln Leu 
65                  70                  75                  80  


Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys Ser 
                85                  90                  95      


Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser Thr 
            100                 105                 110         


Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu Glu 
        115                 120                 125             


Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu Arg 
    130                 135                 140                 


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


Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg Ala 
                165                 170                 175     


Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu Val 
            180                 185                 190         


Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu Asp 
        195                 200                 205             


Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu His 
    210                 215                 220                 


Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile Ser 
225                 230                 235                 240 


Pro Ile Gly Cys Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly Arg 
                245                 250                 255     


Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys Pro 
            260                 265                 270         


Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala Gln 
        275                 280                 285             


Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu Pro 
    290                 295                 300                 


Asn Met Thr Gln Gly Phe Trp Glu Tyr Ser Met Leu Thr Asp Pro Gly 
305                 310                 315                 320 


Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly Lys 
                325                 330                 335     


Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp Phe 
            340                 345                 350         


Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala Tyr 
        355                 360                 365             


Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe His 
    370                 375                 380                 


Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys His 
385                 390                 395                 400 


Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn Glu 
                405                 410                 415     


Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly Thr 
            420                 425                 430         


Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe Lys 
        435                 440                 445             


Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met Lys 
    450                 455                 460                 


Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr Tyr 
465                 470                 475                 480 


Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe Ile 
                485                 490                 495     


Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala Leu 
            500                 505                 510         


Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile Ser 
        515                 520                 525             


Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu Gly 
    530                 535                 540                 


Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala Lys 
545                 550                 555                 560 


Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe Thr 
                565                 570                 575     


Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr Asp 
            580                 585                 590         


Trp Ser Pro Tyr Ala 
        595         


<210>  4
<211>  597
<212>  PRT
<213>  Artificial sequence

<220>
<223>  Mutant hACE2I92 (T27Y)

<400>  4

Gln Ser Thr Ile Glu Glu Gln Ala Lys Tyr Phe Leu Asp Lys Phe Asn 
1               5                   10                  15      


His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp Asn 
            20                  25                  30          


Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn Ala 
        35                  40                  45              


Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala Gln 
    50                  55                  60                  


Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Ile Val Lys Leu Gln Leu 
65                  70                  75                  80  


Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys Ser 
                85                  90                  95      


Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser Thr 
            100                 105                 110         


Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu Glu 
        115                 120                 125             


Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu Arg 
    130                 135                 140                 


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


Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg Ala 
                165                 170                 175     


Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu Val 
            180                 185                 190         


Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu Asp 
        195                 200                 205             


Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu His 
    210                 215                 220                 


Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile Ser 
225                 230                 235                 240 


Pro Ile Gly Cys Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly Arg 
                245                 250                 255     


Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys Pro 
            260                 265                 270         


Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala Gln 
        275                 280                 285             


Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu Pro 
    290                 295                 300                 


Asn Met Thr Gln Gly Phe Trp Glu Asn Ser Met Leu Thr Asp Pro Gly 
305                 310                 315                 320 


Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly Lys 
                325                 330                 335     


Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp Phe 
            340                 345                 350         


Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala Tyr 
        355                 360                 365             


Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe His 
    370                 375                 380                 


Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys His 
385                 390                 395                 400 


Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn Glu 
                405                 410                 415     


Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly Thr 
            420                 425                 430         


Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe Lys 
        435                 440                 445             


Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met Lys 
    450                 455                 460                 


Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr Tyr 
465                 470                 475                 480 


Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe Ile 
                485                 490                 495     


Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala Leu 
            500                 505                 510         


Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile Ser 
        515                 520                 525             


Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu Gly 
    530                 535                 540                 


Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala Lys 
545                 550                 555                 560 


Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe Thr 
                565                 570                 575     


Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr Asp 
            580                 585                 590         


Trp Ser Pro Tyr Ala 
        595         


<210>  5
<211>  597
<212>  PRT
<213>  Artificial sequence

<220>
<223>  Mutant hACE2I92 (N330Y)

<400>  5

Gln Ser Thr Ile Glu Glu Gln Ala Lys Thr Phe Leu Asp Lys Phe Asn 
1               5                   10                  15      


His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp Asn 
            20                  25                  30          


Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn Ala 
        35                  40                  45              


Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala Gln 
    50                  55                  60                  


Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Ile Val Lys Leu Gln Leu 
65                  70                  75                  80  


Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys Ser 
                85                  90                  95      


Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser Thr 
            100                 105                 110         


Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu Glu 
        115                 120                 125             


Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu Arg 
    130                 135                 140                 


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


Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg Ala 
                165                 170                 175     


Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu Val 
            180                 185                 190         


Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu Asp 
        195                 200                 205             


Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu His 
    210                 215                 220                 


Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile Ser 
225                 230                 235                 240 


Pro Ile Gly Cys Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly Arg 
                245                 250                 255     


Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys Pro 
            260                 265                 270         


Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala Gln 
        275                 280                 285             


Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu Pro 
    290                 295                 300                 


Asn Met Thr Gln Gly Phe Trp Glu Tyr Ser Met Leu Thr Asp Pro Gly 
305                 310                 315                 320 


Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly Lys 
                325                 330                 335     


Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp Phe 
            340                 345                 350         


Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala Tyr 
        355                 360                 365             


Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe His 
    370                 375                 380                 


Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys His 
385                 390                 395                 400 


Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn Glu 
                405                 410                 415     


Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly Thr 
            420                 425                 430         


Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe Lys 
        435                 440                 445             


Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met Lys 
    450                 455                 460                 


Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr Tyr 
465                 470                 475                 480 


Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe Ile 
                485                 490                 495     


Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala Leu 
            500                 505                 510         


Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile Ser 
        515                 520                 525             


Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu Gly 
    530                 535                 540                 


Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala Lys 
545                 550                 555                 560 


Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe Thr 
                565                 570                 575     


Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr Asp 
            580                 585                 590         


Trp Ser Pro Tyr Ala 
        595         


<210>  6
<211>  597
<212>  PRT
<213>  Artificial sequence

<220>
<223>  Mutant hACE2I92 (T27Y, N330Y)

<400>  6

Gln Ser Thr Ile Glu Glu Gln Ala Lys Tyr Phe Leu Asp Lys Phe Asn 
1               5                   10                  15      


His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp Asn 
            20                  25                  30          


Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn Ala 
        35                  40                  45              


Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala Gln 
    50                  55                  60                  


Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Ile Val Lys Leu Gln Leu 
65                  70                  75                  80  


Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys Ser 
                85                  90                  95      


Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser Thr 
            100                 105                 110         


Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu Glu 
        115                 120                 125             


Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu Arg 
    130                 135                 140                 


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


Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg Ala 
                165                 170                 175     


Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu Val 
            180                 185                 190         


Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu Asp 
        195                 200                 205             


Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu His 
    210                 215                 220                 


Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile Ser 
225                 230                 235                 240 


Pro Ile Gly Cys Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly Arg 
                245                 250                 255     


Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys Pro 
            260                 265                 270         


Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala Gln 
        275                 280                 285             


Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu Pro 
    290                 295                 300                 


Asn Met Thr Gln Gly Phe Trp Glu Tyr Ser Met Leu Thr Asp Pro Gly 
305                 310                 315                 320 


Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly Lys 
                325                 330                 335     


Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp Phe 
            340                 345                 350         


Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala Tyr 
        355                 360                 365             


Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe His 
    370                 375                 380                 


Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys His 
385                 390                 395                 400 


Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn Glu 
                405                 410                 415     


Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly Thr 
            420                 425                 430         


Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe Lys 
        435                 440                 445             


Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met Lys 
    450                 455                 460                 


Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr Tyr 
465                 470                 475                 480 


Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe Ile 
                485                 490                 495     


Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala Leu 
            500                 505                 510         


Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile Ser 
        515                 520                 525             


Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu Gly 
    530                 535                 540                 


Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala Lys 
545                 550                 555                 560 


Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe Thr 
                565                 570                 575     


Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr Asp 
            580                 585                 590         


Trp Ser Pro Tyr Ala 
        595         


<210>  7
<211>  597
<212>  PRT
<213>  Artificial sequence

<220>
<223>  Mutant hACE2I92 (T27Y, C261S, N330Y)

<400>  7

Gln Ser Thr Ile Glu Glu Gln Ala Lys Tyr Phe Leu Asp Lys Phe Asn 
1               5                   10                  15      


His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp Asn 
            20                  25                  30          


Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn Ala 
        35                  40                  45              


Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala Gln 
    50                  55                  60                  


Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Ile Val Lys Leu Gln Leu 
65                  70                  75                  80  


Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys Ser 
                85                  90                  95      


Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser Thr 
            100                 105                 110         


Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu Glu 
        115                 120                 125             


Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu Arg 
    130                 135                 140                 


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


Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg Ala 
                165                 170                 175     


Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu Val 
            180                 185                 190         


Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu Asp 
        195                 200                 205             


Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu His 
    210                 215                 220                 


Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile Ser 
225                 230                 235                 240 


Pro Ile Gly Ser Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly Arg 
                245                 250                 255     


Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys Pro 
            260                 265                 270         


Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala Gln 
        275                 280                 285             


Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu Pro 
    290                 295                 300                 


Asn Met Thr Gln Gly Phe Trp Glu Tyr Ser Met Leu Thr Asp Pro Gly 
305                 310                 315                 320 


Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly Lys 
                325                 330                 335     


Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp Phe 
            340                 345                 350         


Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala Tyr 
        355                 360                 365             


Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe His 
    370                 375                 380                 


Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys His 
385                 390                 395                 400 


Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn Glu 
                405                 410                 415     


Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly Thr 
            420                 425                 430         


Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe Lys 
        435                 440                 445             


Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met Lys 
    450                 455                 460                 


Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr Tyr 
465                 470                 475                 480 


Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe Ile 
                485                 490                 495     


Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala Leu 
            500                 505                 510         


Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile Ser 
        515                 520                 525             


Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu Gly 
    530                 535                 540                 


Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala Lys 
545                 550                 555                 560 


Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe Thr 
                565                 570                 575     


Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr Asp 
            580                 585                 590         


Trp Ser Pro Tyr Ala 
        595         


<210>  8
<211>  5
<212>  PRT
<213>  Artificial sequence

<220>
<223>  Peptide spacer SG4

<400>  8

Ser Gly Gly Gly Gly 
1               5   


<210>  9
<211>  15
<212>  PRT
<213>  Artificial sequence

<220>
<223>  Peptide spacer SG4x3

<400>  9

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


<210>  10
<211>  15
<212>  PRT
<213>  Homo sapiens

<400>  10

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


<210>  11
<211>  15
<212>  PRT
<213>  Artificial sequence

<220>
<223>  Mutant human IgG1 hinge sequence

<400>  11

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


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

<220>
<223>  Mutant human IgG1 hinge sequence

<400>  12

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


<210>  13
<211>  216
<212>  PRT
<213>  Homo sapiens

<400>  13

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 
    210                 215     


<210>  14
<211>  216
<212>  PRT
<213>  Artificial sequence

<220>
<223>  Mutant IgG1 CH2-CH3 sequence (G270)

<400>  14

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 Gly 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 
    210                 215     


<210>  15
<211>  850
<212>  PRT
<213>  Artificial sequence

<220>
<223>  hACE2-SG4-Fc fusion

<400>  15

Met Ser Ser Ser Ser Trp Leu Leu Leu Ser Leu Val Ala Val Thr Ala 
1               5                   10                  15      


Ala Gln Ser Thr Ile Glu Glu Gln Ala Lys Thr Phe Leu Asp Lys Phe 
            20                  25                  30          


Asn His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp 
        35                  40                  45              


Asn Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn 
    50                  55                  60                  


Ala Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala 
65                  70                  75                  80  


Gln Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Thr Val Lys Leu Gln 
                85                  90                  95      


Leu Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys 
            100                 105                 110         


Ser Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser 
        115                 120                 125             


Thr Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu 
    130                 135                 140                 


Glu Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu 
145                 150                 155                 160 


Arg Leu Trp Ala Trp Glu Ser Trp Arg Ser Glu Val Gly Lys Gln Leu 
                165                 170                 175     


Arg Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg 
            180                 185                 190         


Ala Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu 
        195                 200                 205             


Val Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu 
    210                 215                 220                 


Asp Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu 
225                 230                 235                 240 


His Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile 
                245                 250                 255     


Ser Pro Ile Gly Cys Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly 
            260                 265                 270         


Arg Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys 
        275                 280                 285             


Pro Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala 
    290                 295                 300                 


Gln Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu 
305                 310                 315                 320 


Pro Asn Met Thr Gln Gly Phe Trp Glu Asn Ser Met Leu Thr Asp Pro 
                325                 330                 335     


Gly Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly 
            340                 345                 350         


Lys Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp 
        355                 360                 365             


Phe Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala 
    370                 375                 380                 


Tyr Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe 
385                 390                 395                 400 


His Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys 
                405                 410                 415     


His Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn 
            420                 425                 430         


Glu Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly 
        435                 440                 445             


Thr Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe 
    450                 455                 460                 


Lys Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met 
465                 470                 475                 480 


Lys Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr 
                485                 490                 495     


Tyr Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe 
            500                 505                 510         


Ile Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala 
        515                 520                 525             


Leu Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile 
    530                 535                 540                 


Ser Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu 
545                 550                 555                 560 


Gly Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala 
                565                 570                 575     


Lys Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe 
            580                 585                 590         


Thr Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr 
        595                 600                 605             


Asp Trp Ser Pro Tyr Ala Ser Gly Gly Gly Gly Glu Pro Lys Ser Ser 
    610                 615                 620                 


Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly 
625                 630                 635                 640 


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
                645                 650                 655     


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
            660                 665                 670         


Glu Gly Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
        675                 680                 685             


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
    690                 695                 700                 


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
705                 710                 715                 720 


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile 
                725                 730                 735     


Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val 
            740                 745                 750         


Tyr Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser 
        755                 760                 765             


Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu 
    770                 775                 780                 


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
785                 790                 795                 800 


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
                805                 810                 815     


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
            820                 825                 830         


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
        835                 840                 845             


Pro Gly 
    850 


<210>  16
<211>  850
<212>  PRT
<213>  Artificial sequence

<220>
<223>  hACE2I92-SG4-Fc fusion

<400>  16

Met Ser Ser Ser Ser Trp Leu Leu Leu Ser Leu Val Ala Val Thr Ala 
1               5                   10                  15      


Ala Gln Ser Thr Ile Glu Glu Gln Ala Lys Thr Phe Leu Asp Lys Phe 
            20                  25                  30          


Asn His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp 
        35                  40                  45              


Asn Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn 
    50                  55                  60                  


Ala Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala 
65                  70                  75                  80  


Gln Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Ile Val Lys Leu Gln 
                85                  90                  95      


Leu Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys 
            100                 105                 110         


Ser Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser 
        115                 120                 125             


Thr Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu 
    130                 135                 140                 


Glu Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu 
145                 150                 155                 160 


Arg Leu Trp Ala Trp Glu Ser Trp Arg Ser Glu Val Gly Lys Gln Leu 
                165                 170                 175     


Arg Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg 
            180                 185                 190         


Ala Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu 
        195                 200                 205             


Val Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu 
    210                 215                 220                 


Asp Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu 
225                 230                 235                 240 


His Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile 
                245                 250                 255     


Ser Pro Ile Gly Cys Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly 
            260                 265                 270         


Arg Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys 
        275                 280                 285             


Pro Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala 
    290                 295                 300                 


Gln Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu 
305                 310                 315                 320 


Pro Asn Met Thr Gln Gly Phe Trp Glu Asn Ser Met Leu Thr Asp Pro 
                325                 330                 335     


Gly Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly 
            340                 345                 350         


Lys Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp 
        355                 360                 365             


Phe Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala 
    370                 375                 380                 


Tyr Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe 
385                 390                 395                 400 


His Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys 
                405                 410                 415     


His Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn 
            420                 425                 430         


Glu Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly 
        435                 440                 445             


Thr Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe 
    450                 455                 460                 


Lys Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met 
465                 470                 475                 480 


Lys Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr 
                485                 490                 495     


Tyr Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe 
            500                 505                 510         


Ile Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala 
        515                 520                 525             


Leu Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile 
    530                 535                 540                 


Ser Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu 
545                 550                 555                 560 


Gly Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala 
                565                 570                 575     


Lys Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe 
            580                 585                 590         


Thr Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr 
        595                 600                 605             


Asp Trp Ser Pro Tyr Ala Ser Gly Gly Gly Gly Glu Pro Lys Ser Ser 
    610                 615                 620                 


Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly 
625                 630                 635                 640 


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
                645                 650                 655     


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
            660                 665                 670         


Glu Gly Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
        675                 680                 685             


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
    690                 695                 700                 


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
705                 710                 715                 720 


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile 
                725                 730                 735     


Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val 
            740                 745                 750         


Tyr Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser 
        755                 760                 765             


Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu 
    770                 775                 780                 


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
785                 790                 795                 800 


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
                805                 810                 815     


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
            820                 825                 830         


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
        835                 840                 845             


Pro Gly 
    850 


<210>  17
<211>  860
<212>  PRT
<213>  Artificial sequence

<220>
<223>  hACE2-SG4x3-Fc fusion

<400>  17

Met Ser Ser Ser Ser Trp Leu Leu Leu Ser Leu Val Ala Val Thr Ala 
1               5                   10                  15      


Ala Gln Ser Thr Ile Glu Glu Gln Ala Lys Thr Phe Leu Asp Lys Phe 
            20                  25                  30          


Asn His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp 
        35                  40                  45              


Asn Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn 
    50                  55                  60                  


Ala Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala 
65                  70                  75                  80  


Gln Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Thr Val Lys Leu Gln 
                85                  90                  95      


Leu Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys 
            100                 105                 110         


Ser Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser 
        115                 120                 125             


Thr Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu 
    130                 135                 140                 


Glu Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu 
145                 150                 155                 160 


Arg Leu Trp Ala Trp Glu Ser Trp Arg Ser Glu Val Gly Lys Gln Leu 
                165                 170                 175     


Arg Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg 
            180                 185                 190         


Ala Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu 
        195                 200                 205             


Val Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu 
    210                 215                 220                 


Asp Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu 
225                 230                 235                 240 


His Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile 
                245                 250                 255     


Ser Pro Ile Gly Cys Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly 
            260                 265                 270         


Arg Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys 
        275                 280                 285             


Pro Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala 
    290                 295                 300                 


Gln Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu 
305                 310                 315                 320 


Pro Asn Met Thr Gln Gly Phe Trp Glu Asn Ser Met Leu Thr Asp Pro 
                325                 330                 335     


Gly Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly 
            340                 345                 350         


Lys Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp 
        355                 360                 365             


Phe Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala 
    370                 375                 380                 


Tyr Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe 
385                 390                 395                 400 


His Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys 
                405                 410                 415     


His Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn 
            420                 425                 430         


Glu Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly 
        435                 440                 445             


Thr Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe 
    450                 455                 460                 


Lys Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met 
465                 470                 475                 480 


Lys Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr 
                485                 490                 495     


Tyr Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe 
            500                 505                 510         


Ile Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala 
        515                 520                 525             


Leu Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile 
    530                 535                 540                 


Ser Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu 
545                 550                 555                 560 


Gly Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala 
                565                 570                 575     


Lys Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe 
            580                 585                 590         


Thr Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr 
        595                 600                 605             


Asp Trp Ser Pro Tyr Ala Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly 
    610                 615                 620                 


Ser Gly Gly Gly Gly Glu Pro Lys Ser Ser Asp Lys Thr His Thr Cys 
625                 630                 635                 640 


Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu 
                645                 650                 655     


Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu 
            660                 665                 670         


Val Thr Cys Val Val Val Asp Val Ser His Glu Gly Pro Glu Val Lys 
        675                 680                 685             


Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys 
    690                 695                 700                 


Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu 
705                 710                 715                 720 


Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys 
                725                 730                 735     


Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys 
            740                 745                 750         


Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser 
        755                 760                 765             


Arg Asp Glu Leu Thr Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys 
    770                 775                 780                 


Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln 
785                 790                 795                 800 


Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly 
                805                 810                 815     


Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln 
            820                 825                 830         


Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn 
        835                 840                 845             


His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly 
    850                 855                 860 


<210>  18
<211>  850
<212>  PRT
<213>  Artificial sequence

<220>
<223>  hACE2m1-SG4-Fc fusion

<400>  18

Met Ser Ser Ser Ser Trp Leu Leu Leu Ser Leu Val Ala Val Thr Ala 
1               5                   10                  15      


Ala Gln Ser Thr Ile Glu Glu Gln Ala Lys Tyr Phe Leu Asp Lys Phe 
            20                  25                  30          


Asn His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp 
        35                  40                  45              


Asn Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn 
    50                  55                  60                  


Ala Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala 
65                  70                  75                  80  


Gln Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Thr Val Lys Leu Gln 
                85                  90                  95      


Leu Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys 
            100                 105                 110         


Ser Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser 
        115                 120                 125             


Thr Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu 
    130                 135                 140                 


Glu Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu 
145                 150                 155                 160 


Arg Leu Trp Ala Trp Glu Ser Trp Arg Ser Glu Val Gly Lys Gln Leu 
                165                 170                 175     


Arg Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg 
            180                 185                 190         


Ala Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu 
        195                 200                 205             


Val Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu 
    210                 215                 220                 


Asp Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu 
225                 230                 235                 240 


His Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile 
                245                 250                 255     


Ser Pro Ile Gly Cys Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly 
            260                 265                 270         


Arg Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys 
        275                 280                 285             


Pro Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala 
    290                 295                 300                 


Gln Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu 
305                 310                 315                 320 


Pro Asn Met Thr Gln Gly Phe Trp Glu Tyr Ser Met Leu Thr Asp Pro 
                325                 330                 335     


Gly Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly 
            340                 345                 350         


Lys Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp 
        355                 360                 365             


Phe Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala 
    370                 375                 380                 


Tyr Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe 
385                 390                 395                 400 


His Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys 
                405                 410                 415     


His Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn 
            420                 425                 430         


Glu Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly 
        435                 440                 445             


Thr Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe 
    450                 455                 460                 


Lys Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met 
465                 470                 475                 480 


Lys Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr 
                485                 490                 495     


Tyr Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe 
            500                 505                 510         


Ile Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala 
        515                 520                 525             


Leu Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile 
    530                 535                 540                 


Ser Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu 
545                 550                 555                 560 


Gly Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala 
                565                 570                 575     


Lys Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe 
            580                 585                 590         


Thr Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr 
        595                 600                 605             


Asp Trp Ser Pro Tyr Ala Ser Gly Gly Gly Gly Glu Pro Lys Ser Ser 
    610                 615                 620                 


Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly 
625                 630                 635                 640 


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
                645                 650                 655     


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
            660                 665                 670         


Glu Gly Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
        675                 680                 685             


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
    690                 695                 700                 


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
705                 710                 715                 720 


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile 
                725                 730                 735     


Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val 
            740                 745                 750         


Tyr Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser 
        755                 760                 765             


Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu 
    770                 775                 780                 


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
785                 790                 795                 800 


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
                805                 810                 815     


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
            820                 825                 830         


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
        835                 840                 845             


Pro Gly 
    850 


<210>  19
<211>  850
<212>  PRT
<213>  Artificial sequence

<220>
<223>  hACE2m2-SG4-Fc fusion

<400>  19

Met Ser Ser Ser Ser Trp Leu Leu Leu Ser Leu Val Ala Val Thr Ala 
1               5                   10                  15      


Ala Gln Ser Thr Ile Glu Glu Gln Ala Lys Tyr Phe Leu Asp Lys Phe 
            20                  25                  30          


Asn His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp 
        35                  40                  45              


Asn Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn 
    50                  55                  60                  


Ala Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala 
65                  70                  75                  80  


Gln Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Ile Val Lys Leu Gln 
                85                  90                  95      


Leu Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys 
            100                 105                 110         


Ser Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser 
        115                 120                 125             


Thr Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu 
    130                 135                 140                 


Glu Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu 
145                 150                 155                 160 


Arg Leu Trp Ala Trp Glu Ser Trp Arg Ser Glu Val Gly Lys Gln Leu 
                165                 170                 175     


Arg Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg 
            180                 185                 190         


Ala Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu 
        195                 200                 205             


Val Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu 
    210                 215                 220                 


Asp Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu 
225                 230                 235                 240 


His Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile 
                245                 250                 255     


Ser Pro Ile Gly Cys Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly 
            260                 265                 270         


Arg Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys 
        275                 280                 285             


Pro Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala 
    290                 295                 300                 


Gln Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu 
305                 310                 315                 320 


Pro Asn Met Thr Gln Gly Phe Trp Glu Asn Ser Met Leu Thr Asp Pro 
                325                 330                 335     


Gly Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly 
            340                 345                 350         


Lys Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp 
        355                 360                 365             


Phe Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala 
    370                 375                 380                 


Tyr Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe 
385                 390                 395                 400 


His Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys 
                405                 410                 415     


His Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn 
            420                 425                 430         


Glu Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly 
        435                 440                 445             


Thr Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe 
    450                 455                 460                 


Lys Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met 
465                 470                 475                 480 


Lys Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr 
                485                 490                 495     


Tyr Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe 
            500                 505                 510         


Ile Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala 
        515                 520                 525             


Leu Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile 
    530                 535                 540                 


Ser Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu 
545                 550                 555                 560 


Gly Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala 
                565                 570                 575     


Lys Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe 
            580                 585                 590         


Thr Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr 
        595                 600                 605             


Asp Trp Ser Pro Tyr Ala Ser Gly Gly Gly Gly Glu Pro Lys Ser Ser 
    610                 615                 620                 


Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly 
625                 630                 635                 640 


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
                645                 650                 655     


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
            660                 665                 670         


Glu Gly Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
        675                 680                 685             


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
    690                 695                 700                 


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
705                 710                 715                 720 


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile 
                725                 730                 735     


Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val 
            740                 745                 750         


Tyr Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser 
        755                 760                 765             


Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu 
    770                 775                 780                 


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
785                 790                 795                 800 


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
                805                 810                 815     


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
            820                 825                 830         


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
        835                 840                 845             


Pro Gly 
    850 


<210>  20
<211>  850
<212>  PRT
<213>  Artificial sequence

<220>
<223>  hACE2m3-SG4-Fc fusion

<400>  20

Met Ser Ser Ser Ser Trp Leu Leu Leu Ser Leu Val Ala Val Thr Ala 
1               5                   10                  15      


Ala Gln Ser Thr Ile Glu Glu Gln Ala Lys Thr Phe Leu Asp Lys Phe 
            20                  25                  30          


Asn His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp 
        35                  40                  45              


Asn Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn 
    50                  55                  60                  


Ala Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala 
65                  70                  75                  80  


Gln Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Ile Val Lys Leu Gln 
                85                  90                  95      


Leu Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys 
            100                 105                 110         


Ser Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser 
        115                 120                 125             


Thr Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu 
    130                 135                 140                 


Glu Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu 
145                 150                 155                 160 


Arg Leu Trp Ala Trp Glu Ser Trp Arg Ser Glu Val Gly Lys Gln Leu 
                165                 170                 175     


Arg Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg 
            180                 185                 190         


Ala Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu 
        195                 200                 205             


Val Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu 
    210                 215                 220                 


Asp Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu 
225                 230                 235                 240 


His Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile 
                245                 250                 255     


Ser Pro Ile Gly Cys Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly 
            260                 265                 270         


Arg Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys 
        275                 280                 285             


Pro Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala 
    290                 295                 300                 


Gln Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu 
305                 310                 315                 320 


Pro Asn Met Thr Gln Gly Phe Trp Glu Tyr Ser Met Leu Thr Asp Pro 
                325                 330                 335     


Gly Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly 
            340                 345                 350         


Lys Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp 
        355                 360                 365             


Phe Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala 
    370                 375                 380                 


Tyr Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe 
385                 390                 395                 400 


His Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys 
                405                 410                 415     


His Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn 
            420                 425                 430         


Glu Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly 
        435                 440                 445             


Thr Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe 
    450                 455                 460                 


Lys Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met 
465                 470                 475                 480 


Lys Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr 
                485                 490                 495     


Tyr Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe 
            500                 505                 510         


Ile Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala 
        515                 520                 525             


Leu Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile 
    530                 535                 540                 


Ser Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu 
545                 550                 555                 560 


Gly Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala 
                565                 570                 575     


Lys Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe 
            580                 585                 590         


Thr Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr 
        595                 600                 605             


Asp Trp Ser Pro Tyr Ala Ser Gly Gly Gly Gly Glu Pro Lys Ser Ser 
    610                 615                 620                 


Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly 
625                 630                 635                 640 


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
                645                 650                 655     


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
            660                 665                 670         


Glu Gly Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
        675                 680                 685             


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
    690                 695                 700                 


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
705                 710                 715                 720 


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile 
                725                 730                 735     


Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val 
            740                 745                 750         


Tyr Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser 
        755                 760                 765             


Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu 
    770                 775                 780                 


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
785                 790                 795                 800 


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
                805                 810                 815     


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
            820                 825                 830         


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
        835                 840                 845             


Pro Gly 
    850 


<210>  21
<211>  850
<212>  PRT
<213>  Artificial sequence

<220>
<223>  hACE2m4-SG4-Fc fusion

<400>  21

Met Ser Ser Ser Ser Trp Leu Leu Leu Ser Leu Val Ala Val Thr Ala 
1               5                   10                  15      


Ala Gln Ser Thr Ile Glu Glu Gln Ala Lys Tyr Phe Leu Asp Lys Phe 
            20                  25                  30          


Asn His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp 
        35                  40                  45              


Asn Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn 
    50                  55                  60                  


Ala Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala 
65                  70                  75                  80  


Gln Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Ile Val Lys Leu Gln 
                85                  90                  95      


Leu Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys 
            100                 105                 110         


Ser Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser 
        115                 120                 125             


Thr Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu 
    130                 135                 140                 


Glu Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu 
145                 150                 155                 160 


Arg Leu Trp Ala Trp Glu Ser Trp Arg Ser Glu Val Gly Lys Gln Leu 
                165                 170                 175     


Arg Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg 
            180                 185                 190         


Ala Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu 
        195                 200                 205             


Val Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu 
    210                 215                 220                 


Asp Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu 
225                 230                 235                 240 


His Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile 
                245                 250                 255     


Ser Pro Ile Gly Cys Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly 
            260                 265                 270         


Arg Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys 
        275                 280                 285             


Pro Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala 
    290                 295                 300                 


Gln Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu 
305                 310                 315                 320 


Pro Asn Met Thr Gln Gly Phe Trp Glu Tyr Ser Met Leu Thr Asp Pro 
                325                 330                 335     


Gly Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly 
            340                 345                 350         


Lys Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp 
        355                 360                 365             


Phe Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala 
    370                 375                 380                 


Tyr Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe 
385                 390                 395                 400 


His Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys 
                405                 410                 415     


His Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn 
            420                 425                 430         


Glu Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly 
        435                 440                 445             


Thr Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe 
    450                 455                 460                 


Lys Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met 
465                 470                 475                 480 


Lys Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr 
                485                 490                 495     


Tyr Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe 
            500                 505                 510         


Ile Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala 
        515                 520                 525             


Leu Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile 
    530                 535                 540                 


Ser Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu 
545                 550                 555                 560 


Gly Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala 
                565                 570                 575     


Lys Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe 
            580                 585                 590         


Thr Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr 
        595                 600                 605             


Asp Trp Ser Pro Tyr Ala Ser Gly Gly Gly Gly Glu Pro Lys Ser Ser 
    610                 615                 620                 


Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly 
625                 630                 635                 640 


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
                645                 650                 655     


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
            660                 665                 670         


Glu Gly Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
        675                 680                 685             


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
    690                 695                 700                 


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
705                 710                 715                 720 


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile 
                725                 730                 735     


Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val 
            740                 745                 750         


Tyr Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser 
        755                 760                 765             


Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu 
    770                 775                 780                 


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
785                 790                 795                 800 


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
                805                 810                 815     


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
            820                 825                 830         


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
        835                 840                 845             


Pro Gly 
    850 


<210>  22
<211>  850
<212>  PRT
<213>  Artificial sequence

<220>
<223>  hACE2m4-C261S-SG4-Fc fusion

<400>  22

Met Ser Ser Ser Ser Trp Leu Leu Leu Ser Leu Val Ala Val Thr Ala 
1               5                   10                  15      


Ala Gln Ser Thr Ile Glu Glu Gln Ala Lys Tyr Phe Leu Asp Lys Phe 
            20                  25                  30          


Asn His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp 
        35                  40                  45              


Asn Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn 
    50                  55                  60                  


Ala Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala 
65                  70                  75                  80  


Gln Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Ile Val Lys Leu Gln 
                85                  90                  95      


Leu Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys 
            100                 105                 110         


Ser Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser 
        115                 120                 125             


Thr Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu 
    130                 135                 140                 


Glu Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu 
145                 150                 155                 160 


Arg Leu Trp Ala Trp Glu Ser Trp Arg Ser Glu Val Gly Lys Gln Leu 
                165                 170                 175     


Arg Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg 
            180                 185                 190         


Ala Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu 
        195                 200                 205             


Val Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu 
    210                 215                 220                 


Asp Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu 
225                 230                 235                 240 


His Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile 
                245                 250                 255     


Ser Pro Ile Gly Ser Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly 
            260                 265                 270         


Arg Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys 
        275                 280                 285             


Pro Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala 
    290                 295                 300                 


Gln Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu 
305                 310                 315                 320 


Pro Asn Met Thr Gln Gly Phe Trp Glu Tyr Ser Met Leu Thr Asp Pro 
                325                 330                 335     


Gly Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly 
            340                 345                 350         


Lys Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp 
        355                 360                 365             


Phe Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala 
    370                 375                 380                 


Tyr Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe 
385                 390                 395                 400 


His Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys 
                405                 410                 415     


His Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn 
            420                 425                 430         


Glu Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly 
        435                 440                 445             


Thr Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe 
    450                 455                 460                 


Lys Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met 
465                 470                 475                 480 


Lys Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr 
                485                 490                 495     


Tyr Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe 
            500                 505                 510         


Ile Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala 
        515                 520                 525             


Leu Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile 
    530                 535                 540                 


Ser Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu 
545                 550                 555                 560 


Gly Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala 
                565                 570                 575     


Lys Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe 
            580                 585                 590         


Thr Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr 
        595                 600                 605             


Asp Trp Ser Pro Tyr Ala Ser Gly Gly Gly Gly Glu Pro Lys Ser Ser 
    610                 615                 620                 


Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly 
625                 630                 635                 640 


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
                645                 650                 655     


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
            660                 665                 670         


Glu Gly Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
        675                 680                 685             


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
    690                 695                 700                 


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
705                 710                 715                 720 


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile 
                725                 730                 735     


Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val 
            740                 745                 750         


Tyr Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser 
        755                 760                 765             


Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu 
    770                 775                 780                 


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
785                 790                 795                 800 


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
                805                 810                 815     


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
            820                 825                 830         


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
        835                 840                 845             


Pro Gly 
    850 


<210>  23
<211>  850
<212>  PRT
<213>  Artificial sequence

<220>
<223>  hACE2m4-hinge2CS-SG4-Fc fusion

<400>  23

Met Ser Ser Ser Ser Trp Leu Leu Leu Ser Leu Val Ala Val Thr Ala 
1               5                   10                  15      


Ala Gln Ser Thr Ile Glu Glu Gln Ala Lys Tyr Phe Leu Asp Lys Phe 
            20                  25                  30          


Asn His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp 
        35                  40                  45              


Asn Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn 
    50                  55                  60                  


Ala Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala 
65                  70                  75                  80  


Gln Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Ile Val Lys Leu Gln 
                85                  90                  95      


Leu Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys 
            100                 105                 110         


Ser Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser 
        115                 120                 125             


Thr Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu 
    130                 135                 140                 


Glu Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu 
145                 150                 155                 160 


Arg Leu Trp Ala Trp Glu Ser Trp Arg Ser Glu Val Gly Lys Gln Leu 
                165                 170                 175     


Arg Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg 
            180                 185                 190         


Ala Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu 
        195                 200                 205             


Val Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu 
    210                 215                 220                 


Asp Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu 
225                 230                 235                 240 


His Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile 
                245                 250                 255     


Ser Pro Ile Gly Cys Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly 
            260                 265                 270         


Arg Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys 
        275                 280                 285             


Pro Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala 
    290                 295                 300                 


Gln Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu 
305                 310                 315                 320 


Pro Asn Met Thr Gln Gly Phe Trp Glu Tyr Ser Met Leu Thr Asp Pro 
                325                 330                 335     


Gly Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly 
            340                 345                 350         


Lys Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp 
        355                 360                 365             


Phe Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala 
    370                 375                 380                 


Tyr Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe 
385                 390                 395                 400 


His Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys 
                405                 410                 415     


His Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn 
            420                 425                 430         


Glu Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly 
        435                 440                 445             


Thr Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe 
    450                 455                 460                 


Lys Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met 
465                 470                 475                 480 


Lys Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr 
                485                 490                 495     


Tyr Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe 
            500                 505                 510         


Ile Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala 
        515                 520                 525             


Leu Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile 
    530                 535                 540                 


Ser Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu 
545                 550                 555                 560 


Gly Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala 
                565                 570                 575     


Lys Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe 
            580                 585                 590         


Thr Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr 
        595                 600                 605             


Asp Trp Ser Pro Tyr Ala Ser Gly Gly Gly Gly Glu Pro Lys Ser Ser 
    610                 615                 620                 


Asp Lys Thr His Thr Ser Pro Pro Ser Pro Ala Pro Glu Leu Leu Gly 
625                 630                 635                 640 


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
                645                 650                 655     


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
            660                 665                 670         


Glu Gly Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
        675                 680                 685             


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
    690                 695                 700                 


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
705                 710                 715                 720 


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile 
                725                 730                 735     


Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val 
            740                 745                 750         


Tyr Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser 
        755                 760                 765             


Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu 
    770                 775                 780                 


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
785                 790                 795                 800 


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
                805                 810                 815     


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
            820                 825                 830         


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
        835                 840                 845             


Pro Gly 
    850 


<210>  24
<211>  850
<212>  PRT
<213>  Artificial sequence

<220>
<223>  hACE2m3-hinge2CS-SG4-Fc fusion

<400>  24

Met Ser Ser Ser Ser Trp Leu Leu Leu Ser Leu Val Ala Val Thr Ala 
1               5                   10                  15      


Ala Gln Ser Thr Ile Glu Glu Gln Ala Lys Thr Phe Leu Asp Lys Phe 
            20                  25                  30          


Asn His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp 
        35                  40                  45              


Asn Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn 
    50                  55                  60                  


Ala Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala 
65                  70                  75                  80  


Gln Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Ile Val Lys Leu Gln 
                85                  90                  95      


Leu Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys 
            100                 105                 110         


Ser Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser 
        115                 120                 125             


Thr Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu 
    130                 135                 140                 


Glu Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu 
145                 150                 155                 160 


Arg Leu Trp Ala Trp Glu Ser Trp Arg Ser Glu Val Gly Lys Gln Leu 
                165                 170                 175     


Arg Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg 
            180                 185                 190         


Ala Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu 
        195                 200                 205             


Val Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu 
    210                 215                 220                 


Asp Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu 
225                 230                 235                 240 


His Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile 
                245                 250                 255     


Ser Pro Ile Gly Cys Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly 
            260                 265                 270         


Arg Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys 
        275                 280                 285             


Pro Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala 
    290                 295                 300                 


Gln Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu 
305                 310                 315                 320 


Pro Asn Met Thr Gln Gly Phe Trp Glu Tyr Ser Met Leu Thr Asp Pro 
                325                 330                 335     


Gly Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly 
            340                 345                 350         


Lys Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp 
        355                 360                 365             


Phe Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala 
    370                 375                 380                 


Tyr Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe 
385                 390                 395                 400 


His Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys 
                405                 410                 415     


His Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn 
            420                 425                 430         


Glu Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly 
        435                 440                 445             


Thr Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe 
    450                 455                 460                 


Lys Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met 
465                 470                 475                 480 


Lys Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr 
                485                 490                 495     


Tyr Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe 
            500                 505                 510         


Ile Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala 
        515                 520                 525             


Leu Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile 
    530                 535                 540                 


Ser Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu 
545                 550                 555                 560 


Gly Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala 
                565                 570                 575     


Lys Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe 
            580                 585                 590         


Thr Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr 
        595                 600                 605             


Asp Trp Ser Pro Tyr Ala Ser Gly Gly Gly Gly Glu Pro Lys Ser Ser 
    610                 615                 620                 


Asp Lys Thr His Thr Ser Pro Pro Ser Pro Ala Pro Glu Leu Leu Gly 
625                 630                 635                 640 


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
                645                 650                 655     


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
            660                 665                 670         


Glu Gly Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
        675                 680                 685             


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
    690                 695                 700                 


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
705                 710                 715                 720 


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile 
                725                 730                 735     


Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val 
            740                 745                 750         


Tyr Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser 
        755                 760                 765             


Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu 
    770                 775                 780                 


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
785                 790                 795                 800 


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
                805                 810                 815     


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
            820                 825                 830         


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
        835                 840                 845             


Pro Gly 
    850 


<210>  25
<211>  850
<212>  PRT
<213>  Artificial sequence

<220>
<223>  hACE2m2-hinge2CS-SG4-Fc fusion

<400>  25

Met Ser Ser Ser Ser Trp Leu Leu Leu Ser Leu Val Ala Val Thr Ala 
1               5                   10                  15      


Ala Gln Ser Thr Ile Glu Glu Gln Ala Lys Tyr Phe Leu Asp Lys Phe 
            20                  25                  30          


Asn His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp 
        35                  40                  45              


Asn Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn 
    50                  55                  60                  


Ala Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala 
65                  70                  75                  80  


Gln Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Ile Val Lys Leu Gln 
                85                  90                  95      


Leu Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys 
            100                 105                 110         


Ser Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser 
        115                 120                 125             


Thr Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu 
    130                 135                 140                 


Glu Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu 
145                 150                 155                 160 


Arg Leu Trp Ala Trp Glu Ser Trp Arg Ser Glu Val Gly Lys Gln Leu 
                165                 170                 175     


Arg Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg 
            180                 185                 190         


Ala Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu 
        195                 200                 205             


Val Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu 
    210                 215                 220                 


Asp Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu 
225                 230                 235                 240 


His Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile 
                245                 250                 255     


Ser Pro Ile Gly Cys Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly 
            260                 265                 270         


Arg Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys 
        275                 280                 285             


Pro Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala 
    290                 295                 300                 


Gln Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu 
305                 310                 315                 320 


Pro Asn Met Thr Gln Gly Phe Trp Glu Asn Ser Met Leu Thr Asp Pro 
                325                 330                 335     


Gly Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly 
            340                 345                 350         


Lys Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp 
        355                 360                 365             


Phe Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala 
    370                 375                 380                 


Tyr Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe 
385                 390                 395                 400 


His Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys 
                405                 410                 415     


His Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn 
            420                 425                 430         


Glu Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly 
        435                 440                 445             


Thr Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe 
    450                 455                 460                 


Lys Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met 
465                 470                 475                 480 


Lys Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr 
                485                 490                 495     


Tyr Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe 
            500                 505                 510         


Ile Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala 
        515                 520                 525             


Leu Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile 
    530                 535                 540                 


Ser Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu 
545                 550                 555                 560 


Gly Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala 
                565                 570                 575     


Lys Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe 
            580                 585                 590         


Thr Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr 
        595                 600                 605             


Asp Trp Ser Pro Tyr Ala Ser Gly Gly Gly Gly Glu Pro Lys Ser Ser 
    610                 615                 620                 


Asp Lys Thr His Thr Ser Pro Pro Ser Pro Ala Pro Glu Leu Leu Gly 
625                 630                 635                 640 


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
                645                 650                 655     


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
            660                 665                 670         


Glu Gly Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
        675                 680                 685             


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
    690                 695                 700                 


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
705                 710                 715                 720 


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile 
                725                 730                 735     


Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val 
            740                 745                 750         


Tyr Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser 
        755                 760                 765             


Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu 
    770                 775                 780                 


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
785                 790                 795                 800 


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
                805                 810                 815     


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
            820                 825                 830         


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
        835                 840                 845             


Pro Gly 
    850 


<210>  26
<211>  850
<212>  PRT
<213>  Artificial sequence

<220>
<223>  hACE2m1-hinge2CS-SG4-Fc

<400>  26

Met Ser Ser Ser Ser Trp Leu Leu Leu Ser Leu Val Ala Val Thr Ala 
1               5                   10                  15      


Ala Gln Ser Thr Ile Glu Glu Gln Ala Lys Tyr Phe Leu Asp Lys Phe 
            20                  25                  30          


Asn His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp 
        35                  40                  45              


Asn Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn 
    50                  55                  60                  


Ala Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala 
65                  70                  75                  80  


Gln Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Thr Val Lys Leu Gln 
                85                  90                  95      


Leu Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys 
            100                 105                 110         


Ser Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser 
        115                 120                 125             


Thr Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu 
    130                 135                 140                 


Glu Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu 
145                 150                 155                 160 


Arg Leu Trp Ala Trp Glu Ser Trp Arg Ser Glu Val Gly Lys Gln Leu 
                165                 170                 175     


Arg Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg 
            180                 185                 190         


Ala Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu 
        195                 200                 205             


Val Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu 
    210                 215                 220                 


Asp Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu 
225                 230                 235                 240 


His Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile 
                245                 250                 255     


Ser Pro Ile Gly Cys Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly 
            260                 265                 270         


Arg Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys 
        275                 280                 285             


Pro Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala 
    290                 295                 300                 


Gln Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu 
305                 310                 315                 320 


Pro Asn Met Thr Gln Gly Phe Trp Glu Tyr Ser Met Leu Thr Asp Pro 
                325                 330                 335     


Gly Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly 
            340                 345                 350         


Lys Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp 
        355                 360                 365             


Phe Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala 
    370                 375                 380                 


Tyr Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe 
385                 390                 395                 400 


His Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys 
                405                 410                 415     


His Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn 
            420                 425                 430         


Glu Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly 
        435                 440                 445             


Thr Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe 
    450                 455                 460                 


Lys Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met 
465                 470                 475                 480 


Lys Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr 
                485                 490                 495     


Tyr Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe 
            500                 505                 510         


Ile Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala 
        515                 520                 525             


Leu Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile 
    530                 535                 540                 


Ser Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu 
545                 550                 555                 560 


Gly Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala 
                565                 570                 575     


Lys Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe 
            580                 585                 590         


Thr Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr 
        595                 600                 605             


Asp Trp Ser Pro Tyr Ala Ser Gly Gly Gly Gly Glu Pro Lys Ser Ser 
    610                 615                 620                 


Asp Lys Thr His Thr Ser Pro Pro Ser Pro Ala Pro Glu Leu Leu Gly 
625                 630                 635                 640 


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
                645                 650                 655     


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
            660                 665                 670         


Glu Gly Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
        675                 680                 685             


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
    690                 695                 700                 


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
705                 710                 715                 720 


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile 
                725                 730                 735     


Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val 
            740                 745                 750         


Tyr Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser 
        755                 760                 765             


Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu 
    770                 775                 780                 


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
785                 790                 795                 800 


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
                805                 810                 815     


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
            820                 825                 830         


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
        835                 840                 845             


Pro Gly 
    850 


<210>  27
<211>  850
<212>  PRT
<213>  Artificial sequence

<220>
<223>  hACE2-hinge2CS-SG4-Fc fusion

<400>  27

Met Ser Ser Ser Ser Trp Leu Leu Leu Ser Leu Val Ala Val Thr Ala 
1               5                   10                  15      


Ala Gln Ser Thr Ile Glu Glu Gln Ala Lys Thr Phe Leu Asp Lys Phe 
            20                  25                  30          


Asn His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp 
        35                  40                  45              


Asn Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn 
    50                  55                  60                  


Ala Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala 
65                  70                  75                  80  


Gln Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Thr Val Lys Leu Gln 
                85                  90                  95      


Leu Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys 
            100                 105                 110         


Ser Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser 
        115                 120                 125             


Thr Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu 
    130                 135                 140                 


Glu Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu 
145                 150                 155                 160 


Arg Leu Trp Ala Trp Glu Ser Trp Arg Ser Glu Val Gly Lys Gln Leu 
                165                 170                 175     


Arg Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg 
            180                 185                 190         


Ala Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu 
        195                 200                 205             


Val Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu 
    210                 215                 220                 


Asp Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu 
225                 230                 235                 240 


His Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile 
                245                 250                 255     


Ser Pro Ile Gly Cys Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly 
            260                 265                 270         


Arg Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys 
        275                 280                 285             


Pro Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala 
    290                 295                 300                 


Gln Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu 
305                 310                 315                 320 


Pro Asn Met Thr Gln Gly Phe Trp Glu Asn Ser Met Leu Thr Asp Pro 
                325                 330                 335     


Gly Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly 
            340                 345                 350         


Lys Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp 
        355                 360                 365             


Phe Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala 
    370                 375                 380                 


Tyr Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe 
385                 390                 395                 400 


His Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys 
                405                 410                 415     


His Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn 
            420                 425                 430         


Glu Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly 
        435                 440                 445             


Thr Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe 
    450                 455                 460                 


Lys Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met 
465                 470                 475                 480 


Lys Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr 
                485                 490                 495     


Tyr Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe 
            500                 505                 510         


Ile Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala 
        515                 520                 525             


Leu Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile 
    530                 535                 540                 


Ser Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu 
545                 550                 555                 560 


Gly Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala 
                565                 570                 575     


Lys Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe 
            580                 585                 590         


Thr Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr 
        595                 600                 605             


Asp Trp Ser Pro Tyr Ala Ser Gly Gly Gly Gly Glu Pro Lys Ser Ser 
    610                 615                 620                 


Asp Lys Thr His Thr Ser Pro Pro Ser Pro Ala Pro Glu Leu Leu Gly 
625                 630                 635                 640 


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
                645                 650                 655     


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
            660                 665                 670         


Glu Gly Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
        675                 680                 685             


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
    690                 695                 700                 


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
705                 710                 715                 720 


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile 
                725                 730                 735     


Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val 
            740                 745                 750         


Tyr Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser 
        755                 760                 765             


Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu 
    770                 775                 780                 


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
785                 790                 795                 800 


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
                805                 810                 815     


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
            820                 825                 830         


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
        835                 840                 845             


Pro Gly 
    850 


<210>  28
<211>  850
<212>  PRT
<213>  Artificial sequence

<220>
<223>  hACE2I92-hinge2CS-SG4-Fc fusion

<400>  28

Met Ser Ser Ser Ser Trp Leu Leu Leu Ser Leu Val Ala Val Thr Ala 
1               5                   10                  15      


Ala Gln Ser Thr Ile Glu Glu Gln Ala Lys Thr Phe Leu Asp Lys Phe 
            20                  25                  30          


Asn His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp 
        35                  40                  45              


Asn Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn 
    50                  55                  60                  


Ala Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala 
65                  70                  75                  80  


Gln Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Ile Val Lys Leu Gln 
                85                  90                  95      


Leu Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys 
            100                 105                 110         


Ser Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser 
        115                 120                 125             


Thr Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu 
    130                 135                 140                 


Glu Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu 
145                 150                 155                 160 


Arg Leu Trp Ala Trp Glu Ser Trp Arg Ser Glu Val Gly Lys Gln Leu 
                165                 170                 175     


Arg Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg 
            180                 185                 190         


Ala Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu 
        195                 200                 205             


Val Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu 
    210                 215                 220                 


Asp Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu 
225                 230                 235                 240 


His Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile 
                245                 250                 255     


Ser Pro Ile Gly Cys Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly 
            260                 265                 270         


Arg Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys 
        275                 280                 285             


Pro Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala 
    290                 295                 300                 


Gln Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu 
305                 310                 315                 320 


Pro Asn Met Thr Gln Gly Phe Trp Glu Asn Ser Met Leu Thr Asp Pro 
                325                 330                 335     


Gly Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly 
            340                 345                 350         


Lys Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp 
        355                 360                 365             


Phe Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala 
    370                 375                 380                 


Tyr Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe 
385                 390                 395                 400 


His Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys 
                405                 410                 415     


His Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn 
            420                 425                 430         


Glu Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly 
        435                 440                 445             


Thr Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe 
    450                 455                 460                 


Lys Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met 
465                 470                 475                 480 


Lys Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr 
                485                 490                 495     


Tyr Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe 
            500                 505                 510         


Ile Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala 
        515                 520                 525             


Leu Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile 
    530                 535                 540                 


Ser Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu 
545                 550                 555                 560 


Gly Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala 
                565                 570                 575     


Lys Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe 
            580                 585                 590         


Thr Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr 
        595                 600                 605             


Asp Trp Ser Pro Tyr Ala Ser Gly Gly Gly Gly Glu Pro Lys Ser Ser 
    610                 615                 620                 


Asp Lys Thr His Thr Ser Pro Pro Ser Pro Ala Pro Glu Leu Leu Gly 
625                 630                 635                 640 


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
                645                 650                 655     


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
            660                 665                 670         


Glu Gly Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
        675                 680                 685             


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
    690                 695                 700                 


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
705                 710                 715                 720 


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile 
                725                 730                 735     


Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val 
            740                 745                 750         


Tyr Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser 
        755                 760                 765             


Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu 
    770                 775                 780                 


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
785                 790                 795                 800 


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
                805                 810                 815     


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
            820                 825                 830         


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
        835                 840                 845             


Pro Gly 
    850 


<210>  29
<211>  860
<212>  PRT
<213>  Artificial sequence

<220>
<223>  hACE2-hinge2CS-SG4x3-Fc fusion

<400>  29

Met Ser Ser Ser Ser Trp Leu Leu Leu Ser Leu Val Ala Val Thr Ala 
1               5                   10                  15      


Ala Gln Ser Thr Ile Glu Glu Gln Ala Lys Thr Phe Leu Asp Lys Phe 
            20                  25                  30          


Asn His Glu Ala Glu Asp Leu Phe Tyr Gln Ser Ser Leu Ala Ser Trp 
        35                  40                  45              


Asn Tyr Asn Thr Asn Ile Thr Glu Glu Asn Val Gln Asn Met Asn Asn 
    50                  55                  60                  


Ala Gly Asp Lys Trp Ser Ala Phe Leu Lys Glu Gln Ser Thr Leu Ala 
65                  70                  75                  80  


Gln Met Tyr Pro Leu Gln Glu Ile Gln Asn Leu Thr Val Lys Leu Gln 
                85                  90                  95      


Leu Gln Ala Leu Gln Gln Asn Gly Ser Ser Val Leu Ser Glu Asp Lys 
            100                 105                 110         


Ser Lys Arg Leu Asn Thr Ile Leu Asn Thr Met Ser Thr Ile Tyr Ser 
        115                 120                 125             


Thr Gly Lys Val Cys Asn Pro Asp Asn Pro Gln Glu Cys Leu Leu Leu 
    130                 135                 140                 


Glu Pro Gly Leu Asn Glu Ile Met Ala Asn Ser Leu Asp Tyr Asn Glu 
145                 150                 155                 160 


Arg Leu Trp Ala Trp Glu Ser Trp Arg Ser Glu Val Gly Lys Gln Leu 
                165                 170                 175     


Arg Pro Leu Tyr Glu Glu Tyr Val Val Leu Lys Asn Glu Met Ala Arg 
            180                 185                 190         


Ala Asn His Tyr Glu Asp Tyr Gly Asp Tyr Trp Arg Gly Asp Tyr Glu 
        195                 200                 205             


Val Asn Gly Val Asp Gly Tyr Asp Tyr Ser Arg Gly Gln Leu Ile Glu 
    210                 215                 220                 


Asp Val Glu His Thr Phe Glu Glu Ile Lys Pro Leu Tyr Glu His Leu 
225                 230                 235                 240 


His Ala Tyr Val Arg Ala Lys Leu Met Asn Ala Tyr Pro Ser Tyr Ile 
                245                 250                 255     


Ser Pro Ile Gly Cys Leu Pro Ala His Leu Leu Gly Asp Met Trp Gly 
            260                 265                 270         


Arg Phe Trp Thr Asn Leu Tyr Ser Leu Thr Val Pro Phe Gly Gln Lys 
        275                 280                 285             


Pro Asn Ile Asp Val Thr Asp Ala Met Val Asp Gln Ala Trp Asp Ala 
    290                 295                 300                 


Gln Arg Ile Phe Lys Glu Ala Glu Lys Phe Phe Val Ser Val Gly Leu 
305                 310                 315                 320 


Pro Asn Met Thr Gln Gly Phe Trp Glu Asn Ser Met Leu Thr Asp Pro 
                325                 330                 335     


Gly Asn Val Gln Lys Ala Val Cys His Pro Thr Ala Trp Asp Leu Gly 
            340                 345                 350         


Lys Gly Asp Phe Arg Ile Leu Met Cys Thr Lys Val Thr Met Asp Asp 
        355                 360                 365             


Phe Leu Thr Ala His His Glu Met Gly His Ile Gln Tyr Asp Met Ala 
    370                 375                 380                 


Tyr Ala Ala Gln Pro Phe Leu Leu Arg Asn Gly Ala Asn Glu Gly Phe 
385                 390                 395                 400 


His Glu Ala Val Gly Glu Ile Met Ser Leu Ser Ala Ala Thr Pro Lys 
                405                 410                 415     


His Leu Lys Ser Ile Gly Leu Leu Ser Pro Asp Phe Gln Glu Asp Asn 
            420                 425                 430         


Glu Thr Glu Ile Asn Phe Leu Leu Lys Gln Ala Leu Thr Ile Val Gly 
        435                 440                 445             


Thr Leu Pro Phe Thr Tyr Met Leu Glu Lys Trp Arg Trp Met Val Phe 
    450                 455                 460                 


Lys Gly Glu Ile Pro Lys Asp Gln Trp Met Lys Lys Trp Trp Glu Met 
465                 470                 475                 480 


Lys Arg Glu Ile Val Gly Val Val Glu Pro Val Pro His Asp Glu Thr 
                485                 490                 495     


Tyr Cys Asp Pro Ala Ser Leu Phe His Val Ser Asn Asp Tyr Ser Phe 
            500                 505                 510         


Ile Arg Tyr Tyr Thr Arg Thr Leu Tyr Gln Phe Gln Phe Gln Glu Ala 
        515                 520                 525             


Leu Cys Gln Ala Ala Lys His Glu Gly Pro Leu His Lys Cys Asp Ile 
    530                 535                 540                 


Ser Asn Ser Thr Glu Ala Gly Gln Lys Leu Phe Asn Met Leu Arg Leu 
545                 550                 555                 560 


Gly Lys Ser Glu Pro Trp Thr Leu Ala Leu Glu Asn Val Val Gly Ala 
                565                 570                 575     


Lys Asn Met Asn Val Arg Pro Leu Leu Asn Tyr Phe Glu Pro Leu Phe 
            580                 585                 590         


Thr Trp Leu Lys Asp Gln Asn Lys Asn Ser Phe Val Gly Trp Ser Thr 
        595                 600                 605             


Asp Trp Ser Pro Tyr Ala Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly 
    610                 615                 620                 


Ser Gly Gly Gly Gly Glu Pro Lys Ser Ser Asp Lys Thr His Thr Ser 
625                 630                 635                 640 


Pro Pro Ser Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu 
                645                 650                 655     


Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu 
            660                 665                 670         


Val Thr Cys Val Val Val Asp Val Ser His Glu Gly Pro Glu Val Lys 
        675                 680                 685             


Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys 
    690                 695                 700                 


Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu 
705                 710                 715                 720 


Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys 
                725                 730                 735     


Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys 
            740                 745                 750         


Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser 
        755                 760                 765             


Arg Asp Glu Leu Thr Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys 
    770                 775                 780                 


Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln 
785                 790                 795                 800 


Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly 
                805                 810                 815     


Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln 
            820                 825                 830         


Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn 
        835                 840                 845             


His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly 
    850                 855                 860 


<210>  30
<211>  2550
<212>  DNA
<213>  Artificial sequence

<220>
<223>  hACE2m4-SG4-Fc fusion (exemplary DNA sequence)

<400>  30
atgtcctcct caagctggct gctgctgtct ctggtggccg tgaccgccgc tcagtcaaca       60

atcgaagaac aggcaaaata cttcctggac aagttcaacc acgaggccga ggatctgttt      120

tatcagtcct ccctggcctc ctggaactac aataccaaca tcacagagga gaatgtgcag      180

aacatgaaca atgccggcga caagtggtcc gccttcctga aggagcagtc tacactggcc      240

cagatgtacc ccctgcagga gatccagaat ctgatcgtga agctgcagct gcaggctctg      300

cagcagaacg gctcttccgt gctgtccgag gataagagca agcgcctgaa tacaatcctg      360

aacaccatgt ctacaatcta ttccaccggc aaggtgtgca atccagacaa cccccaggag      420

tgtctgctgc tggagccagg cctgaatgag atcatggcca actctctgga ttacaatgag      480

agactgtggg cttgggagtc ctggcgcagc gaagtgggca agcagctgag gcccctgtac      540

gaggagtatg tggtgctgaa gaacgagatg gcccgggcta atcactacga ggactatggc      600

gattactgga gaggcgacta cgaagtgaat ggcgtggacg gctacgatta ttctcgcggc      660

cagctgatcg aggatgtgga gcataccttt gaggagatca agcctctgta tgagcacctg      720

catgcctacg tgagggctaa gctgatgaac gcctatccct cttacatctc ccctatcgga      780

tgcctgccag ctcacctgct gggcgacatg tggggccggt tctggacaaa tctgtactcc      840

ctgaccgtgc cctttggcca gaagcctaac atcgacgtga ccgatgccat ggtggaccag      900

gcctgggatg ctcagagaat cttcaaggag gctgagaagt tctttgtgag cgtgggcctg      960

cctaacatga cacagggctt ttgggagtac tccatgctga ccgacccagg caacgtgcag     1020

aaggccgtgt gccaccccac agcttgggac ctgggcaagg gcgatttccg catcctgatg     1080

tgcaccaagg tgacaatgga cgattttctg accgcccacc atgagatggg ccatatccag     1140

tatgatatgg cttacgccgc tcagccattc ctgctgagga atggcgccaa cgagggcttt     1200

cacgaggctg tgggcgagat catgtccctg agcgccgcta cacctaagca tctgaagtcc     1260

atcggcctgc tgagcccaga cttccaggag gataacgaga cagagatcaa ttttctgctg     1320

aagcaggccc tgaccatcgt gggcacactg cctttcacct atatgctgga gaagtggcgc     1380

tggatggtgt ttaagggcga gatcccaaag gaccagtgga tgaagaagtg gtgggagatg     1440

aagagggaga tcgtgggagt ggtggagcca gtgccacacg acgagacata ctgtgatcca     1500

gcctccctgt tccatgtgag caacgactat tcttttatca ggtactatac ccggacactg     1560

taccagttcc agtttcagga ggccctgtgc caggctgcta agcacgaggg accactgcat     1620

aagtgtgata tctctaattc cacagaggct ggccagaagc tgttcaacat gctgcggctg     1680

ggcaagtccg agccttggac cctggccctg gagaatgtgg tgggcgctaa gaatatgaac     1740

gtgaggcccc tgctgaacta tttcgagccc ctgtttacat ggctgaagga ccagaataag     1800

aacagctttg tgggctggtc caccgattgg agcccttacg ctagcggagg aggaggagag     1860

ccaaagagct ctgacaagac ccacacatgc cccccttgtc ctgctccaga gctgctggga     1920

ggaccatccg tgttcctgtt tccacccaag cctaaggata cactgatgat ctcccggaca     1980

ccagaggtga cctgcgtggt ggtggacgtg agccacgagg gacccgaggt gaagttcaat     2040

tggtacgtgg atggcgtgga ggtgcataac gccaagacca agccccggga ggagcagtat     2100

aattctacat acagagtggt gtccgtgctg accgtgctgc atcaggactg gctgaatggc     2160

aaggagtaca agtgcaaggt gtctaacaag gccctgcccg ctcctatcga gaagacaatc     2220

tccaaggcta agggacagcc tagggagcca caggtgtata ccctgcctcc aagcagggac     2280

gagctgacaa agaatcaggt gtctctgacc tgtctggtga agggcttcta cccctctgat     2340

atcgctgtgg agtgggagtc caacggccag cctgagaaca attataagac cacaccccct     2400

gtgctggaca gcgatggctc tttctttctg tactccaagc tgaccgtgga taagagcaga     2460

tggcagcagg gcaacgtgtt tagctgttct gtgatgcacg aagcactgca caaccattac     2520

actcagaaat ccctgtccct gtcccctggc                                      2550


<210>  31
<211>  2550
<212>  DNA
<213>  Artificial sequence

<220>
<223>  hACE2m4-hinge2CS-SG4-Fc fusion (exemplary DNA sequence)

<400>  31
atgtcctcct caagctggct gctgctgtct ctggtggccg tgaccgccgc tcagtcaaca       60

atcgaagaac aggcaaaata cttcctggac aagttcaacc acgaggccga ggatctgttt      120

tatcagtcct ccctggcctc ctggaactac aataccaaca tcacagagga gaatgtgcag      180

aacatgaaca atgccggcga caagtggtcc gccttcctga aggagcagtc tacactggcc      240

cagatgtacc ccctgcagga gatccagaat ctgatcgtga agctgcagct gcaggctctg      300

cagcagaacg gctcttccgt gctgtccgag gataagagca agcgcctgaa tacaatcctg      360

aacaccatgt ctacaatcta ttccaccggc aaggtgtgca atccagacaa cccccaggag      420

tgtctgctgc tggagccagg cctgaatgag atcatggcca actctctgga ttacaatgag      480

agactgtggg cttgggagtc ctggcgcagc gaagtgggca agcagctgag gcccctgtac      540

gaggagtatg tggtgctgaa gaacgagatg gcccgggcta atcactacga ggactatggc      600

gattactgga gaggcgacta cgaagtgaat ggcgtggacg gctacgatta ttctcgcggc      660

cagctgatcg aggatgtgga gcataccttt gaggagatca agcctctgta tgagcacctg      720

catgcctacg tgagggctaa gctgatgaac gcctatccct cttacatctc ccctatcgga      780

tgcctgccag ctcacctgct gggcgacatg tggggccggt tctggacaaa tctgtactcc      840

ctgaccgtgc cctttggcca gaagcctaac atcgacgtga ccgatgccat ggtggaccag      900

gcctgggatg ctcagagaat cttcaaggag gctgagaagt tctttgtgag cgtgggcctg      960

cctaacatga cacagggctt ttgggagtac tccatgctga ccgacccagg caacgtgcag     1020

aaggccgtgt gccaccccac agcttgggac ctgggcaagg gcgatttccg catcctgatg     1080

tgcaccaagg tgacaatgga cgattttctg accgcccacc atgagatggg ccatatccag     1140

tatgatatgg cttacgccgc tcagccattc ctgctgagga atggcgccaa cgagggcttt     1200

cacgaggctg tgggcgagat catgtccctg agcgccgcta cacctaagca tctgaagtcc     1260

atcggcctgc tgagcccaga cttccaggag gataacgaga cagagatcaa ttttctgctg     1320

aagcaggccc tgaccatcgt gggcacactg cctttcacct atatgctgga gaagtggcgc     1380

tggatggtgt ttaagggcga gatcccaaag gaccagtgga tgaagaagtg gtgggagatg     1440

aagagggaga tcgtgggagt ggtggagcca gtgccacacg acgagacata ctgtgatcca     1500

gcctccctgt tccatgtgag caacgactat tcttttatca ggtactatac ccggacactg     1560

taccagttcc agtttcagga ggccctgtgc caggctgcta agcacgaggg accactgcat     1620

aagtgtgata tctctaattc cacagaggct ggccagaagc tgttcaacat gctgcggctg     1680

ggcaagtccg agccttggac cctggccctg gagaatgtgg tgggcgctaa gaatatgaac     1740

gtgaggcccc tgctgaacta tttcgagccc ctgtttacat ggctgaagga ccagaataag     1800

aacagctttg tgggctggtc caccgattgg agcccttacg ctagcggagg aggaggagag     1860

ccaaagagct ctgacaagac ccacacaagc ccccctagcc ctgctccaga gctgctggga     1920

ggaccatccg tgttcctgtt tccacccaag cctaaggata cactgatgat ctcccggaca     1980

ccagaggtga cctgcgtggt ggtggacgtg agccacgagg gacccgaggt gaagttcaat     2040

tggtacgtgg atggcgtgga ggtgcataac gccaagacca agccccggga ggagcagtat     2100

aattctacat acagagtggt gtccgtgctg accgtgctgc atcaggactg gctgaatggc     2160

aaggagtaca agtgcaaggt gtctaacaag gccctgcccg ctcctatcga gaagacaatc     2220

tccaaggcta agggacagcc tagggagcca caggtgtata ccctgcctcc aagcagggac     2280

gagctgacaa agaatcaggt gtctctgacc tgtctggtga agggcttcta cccctctgat     2340

atcgctgtgg agtgggagtc caacggccag cctgagaaca attataagac cacaccccct     2400

gtgctggaca gcgatggctc tttctttctg tactccaagc tgaccgtgga taagagcaga     2460

tggcagcagg gcaacgtgtt tagctgttct gtgatgcacg aagcactgca caaccattac     2520

actcagaaat ccctgtccct gtcccctggc                                      2550


