                         SEQUENCE LISTING

<110>  SORRENTO THERAPEUTICS, INC.
 
<120>  NEUTRALIZING ANTIBODIES THAT BIND VARIANT SARS-CoV-2 SPIKE 
       PROTEINS

<130>  01223-0104-00PCT

<140>  PCT/US2022/027907
<141>  2022-05-05

<150>  US 63/185,272
<151>  2021-05-06

<160>  37    

<170>  PatentIn version 3.5

<210>  1
<211>  1273
<212>  PRT
<213>  Severe acute respiratory syndrome coronavirus 2


<220>
<221>  SITE
<222>  (1)..(1273)
<223>  WA1/2020 SARS-Cov-2 spike (S) protein (including leader sequence)
       with S1 and S2 subunits Genbank ACCESSION   QHU79204.1

<400>  1

Met Phe Val Phe Leu Val Leu Leu Pro Leu Val Ser Ser Gln Cys Val 
1               5                   10                  15      


Asn Leu Thr Thr Arg Thr Gln Leu Pro Pro Ala Tyr Thr Asn Ser Phe 
            20                  25                  30          


Thr Arg Gly Val Tyr Tyr Pro Asp Lys Val Phe Arg Ser Ser Val Leu 
        35                  40                  45              


His Ser Thr Gln Asp Leu Phe Leu Pro Phe Phe Ser Asn Val Thr Trp 
    50                  55                  60                  


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


Asn Pro Val Leu Pro Phe Asn Asp Gly Val Tyr Phe Ala Ser Thr Glu 
                85                  90                  95      


Lys Ser Asn Ile Ile Arg Gly Trp Ile Phe Gly Thr Thr Leu Asp Ser 
            100                 105                 110         


Lys Thr Gln Ser Leu Leu Ile Val Asn Asn Ala Thr Asn Val Val Ile 
        115                 120                 125             


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


Tyr His Lys Asn Asn Lys Ser Trp Met Glu Ser Glu Phe Arg Val Tyr 
145                 150                 155                 160 


Ser Ser Ala Asn Asn Cys Thr Phe Glu Tyr Val Ser Gln Pro Phe Leu 
                165                 170                 175     


Met Asp Leu Glu Gly Lys Gln Gly Asn Phe Lys Asn Leu Arg Glu Phe 
            180                 185                 190         


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


Pro Ile Asn Leu Val Arg Asp Leu Pro Gln Gly Phe Ser Ala Leu Glu 
    210                 215                 220                 


Pro Leu Val Asp Leu Pro Ile Gly Ile Asn Ile Thr Arg Phe Gln Thr 
225                 230                 235                 240 


Leu Leu Ala Leu His Arg Ser Tyr Leu Thr Pro Gly Asp Ser Ser Ser 
                245                 250                 255     


Gly Trp Thr Ala Gly Ala Ala Ala Tyr Tyr Val Gly Tyr Leu Gln Pro 
            260                 265                 270         


Arg Thr Phe Leu Leu Lys Tyr Asn Glu Asn Gly Thr Ile Thr Asp Ala 
        275                 280                 285             


Val Asp Cys Ala Leu Asp Pro Leu Ser Glu Thr Lys Cys Thr Leu Lys 
    290                 295                 300                 


Ser Phe Thr Val Glu Lys Gly Ile Tyr Gln Thr Ser Asn Phe Arg Val 
305                 310                 315                 320 


Gln Pro Thr Glu Ser Ile Val Arg Phe Pro Asn Ile Thr Asn Leu Cys 
                325                 330                 335     


Pro Phe Gly Glu Val Phe Asn Ala Thr Arg Phe Ala Ser Val Tyr Ala 
            340                 345                 350         


Trp Asn Arg Lys Arg Ile Ser Asn Cys Val Ala Asp Tyr Ser Val Leu 
        355                 360                 365             


Tyr Asn Ser Ala Ser Phe Ser Thr Phe Lys Cys Tyr Gly Val Ser Pro 
    370                 375                 380                 


Thr Lys Leu Asn Asp Leu Cys Phe Thr Asn Val Tyr Ala Asp Ser Phe 
385                 390                 395                 400 


Val Ile Arg Gly Asp Glu Val Arg Gln Ile Ala Pro Gly Gln Thr Gly 
                405                 410                 415     


Lys Ile Ala Asp Tyr Asn Tyr Lys Leu Pro Asp Asp Phe Thr Gly Cys 
            420                 425                 430         


Val Ile Ala Trp Asn Ser Asn Asn Leu Asp Ser Lys Val Gly Gly Asn 
        435                 440                 445             


Tyr Asn Tyr Leu Tyr Arg Leu Phe Arg Lys Ser Asn Leu Lys Pro Phe 
    450                 455                 460                 


Glu Arg Asp Ile Ser Thr Glu Ile Tyr Gln Ala Gly Ser Thr Pro Cys 
465                 470                 475                 480 


Asn Gly Val Glu Gly Phe Asn Cys Tyr Phe Pro Leu Gln Ser Tyr Gly 
                485                 490                 495     


Phe Gln Pro Thr Asn Gly Val Gly Tyr Gln Pro Tyr Arg Val Val Val 
            500                 505                 510         


Leu Ser Phe Glu Leu Leu His Ala Pro Ala Thr Val Cys Gly Pro Lys 
        515                 520                 525             


Lys Ser Thr Asn Leu Val Lys Asn Lys Cys Val Asn Phe Asn Phe Asn 
    530                 535                 540                 


Gly Leu Thr Gly Thr Gly Val Leu Thr Glu Ser Asn Lys Lys Phe Leu 
545                 550                 555                 560 


Pro Phe Gln Gln Phe Gly Arg Asp Ile Ala Asp Thr Thr Asp Ala Val 
                565                 570                 575     


Arg Asp Pro Gln Thr Leu Glu Ile Leu Asp Ile Thr Pro Cys Ser Phe 
            580                 585                 590         


Gly Gly Val Ser Val Ile Thr Pro Gly Thr Asn Thr Ser Asn Gln Val 
        595                 600                 605             


Ala Val Leu Tyr Gln Asp Val Asn Cys Thr Glu Val Pro Val Ala Ile 
    610                 615                 620                 


His Ala Asp Gln Leu Thr Pro Thr Trp Arg Val Tyr Ser Thr Gly Ser 
625                 630                 635                 640 


Asn Val Phe Gln Thr Arg Ala Gly Cys Leu Ile Gly Ala Glu His Val 
                645                 650                 655     


Asn Asn Ser Tyr Glu Cys Asp Ile Pro Ile Gly Ala Gly Ile Cys Ala 
            660                 665                 670         


Ser Tyr Gln Thr Gln Thr Asn Ser Pro Arg Arg Ala Arg Ser Val Ala 
        675                 680                 685             


Ser Gln Ser Ile Ile Ala Tyr Thr Met Ser Leu Gly Ala Glu Asn Ser 
    690                 695                 700                 


Val Ala Tyr Ser Asn Asn Ser Ile Ala Ile Pro Thr Asn Phe Thr Ile 
705                 710                 715                 720 


Ser Val Thr Thr Glu Ile Leu Pro Val Ser Met Thr Lys Thr Ser Val 
                725                 730                 735     


Asp Cys Thr Met Tyr Ile Cys Gly Asp Ser Thr Glu Cys Ser Asn Leu 
            740                 745                 750         


Leu Leu Gln Tyr Gly Ser Phe Cys Thr Gln Leu Asn Arg Ala Leu Thr 
        755                 760                 765             


Gly Ile Ala Val Glu Gln Asp Lys Asn Thr Gln Glu Val Phe Ala Gln 
    770                 775                 780                 


Val Lys Gln Ile Tyr Lys Thr Pro Pro Ile Lys Asp Phe Gly Gly Phe 
785                 790                 795                 800 


Asn Phe Ser Gln Ile Leu Pro Asp Pro Ser Lys Pro Ser Lys Arg Ser 
                805                 810                 815     


Phe Ile Glu Asp Leu Leu Phe Asn Lys Val Thr Leu Ala Asp Ala Gly 
            820                 825                 830         


Phe Ile Lys Gln Tyr Gly Asp Cys Leu Gly Asp Ile Ala Ala Arg Asp 
        835                 840                 845             


Leu Ile Cys Ala Gln Lys Phe Asn Gly Leu Thr Val Leu Pro Pro Leu 
    850                 855                 860                 


Leu Thr Asp Glu Met Ile Ala Gln Tyr Thr Ser Ala Leu Leu Ala Gly 
865                 870                 875                 880 


Thr Ile Thr Ser Gly Trp Thr Phe Gly Ala Gly Ala Ala Leu Gln Ile 
                885                 890                 895     


Pro Phe Ala Met Gln Met Ala Tyr Arg Phe Asn Gly Ile Gly Val Thr 
            900                 905                 910         


Gln Asn Val Leu Tyr Glu Asn Gln Lys Leu Ile Ala Asn Gln Phe Asn 
        915                 920                 925             


Ser Ala Ile Gly Lys Ile Gln Asp Ser Leu Ser Ser Thr Ala Ser Ala 
    930                 935                 940                 


Leu Gly Lys Leu Gln Asp Val Val Asn Gln Asn Ala Gln Ala Leu Asn 
945                 950                 955                 960 


Thr Leu Val Lys Gln Leu Ser Ser Asn Phe Gly Ala Ile Ser Ser Val 
                965                 970                 975     


Leu Asn Asp Ile Leu Ser Arg Leu Asp Lys Val Glu Ala Glu Val Gln 
            980                 985                 990         


Ile Asp Arg Leu Ile Thr Gly Arg  Leu Gln Ser Leu Gln  Thr Tyr Val 
        995                 1000                 1005             


Thr Gln  Gln Leu Ile Arg Ala  Ala Glu Ile Arg Ala  Ser Ala Asn 
    1010                 1015                 1020             


Leu Ala  Ala Thr Lys Met Ser  Glu Cys Val Leu Gly  Gln Ser Lys 
    1025                 1030                 1035             


Arg Val  Asp Phe Cys Gly Lys  Gly Tyr His Leu Met  Ser Phe Pro 
    1040                 1045                 1050             


Gln Ser  Ala Pro His Gly Val  Val Phe Leu His Val  Thr Tyr Val 
    1055                 1060                 1065             


Pro Ala  Gln Glu Lys Asn Phe  Thr Thr Ala Pro Ala  Ile Cys His 
    1070                 1075                 1080             


Asp Gly  Lys Ala His Phe Pro  Arg Glu Gly Val Phe  Val Ser Asn 
    1085                 1090                 1095             


Gly Thr  His Trp Phe Val Thr  Gln Arg Asn Phe Tyr  Glu Pro Gln 
    1100                 1105                 1110             


Ile Ile  Thr Thr Asp Asn Thr  Phe Val Ser Gly Asn  Cys Asp Val 
    1115                 1120                 1125             


Val Ile  Gly Ile Val Asn Asn  Thr Val Tyr Asp Pro  Leu Gln Pro 
    1130                 1135                 1140             


Glu Leu  Asp Ser Phe Lys Glu  Glu Leu Asp Lys Tyr  Phe Lys Asn 
    1145                 1150                 1155             


His Thr  Ser Pro Asp Val Asp  Leu Gly Asp Ile Ser  Gly Ile Asn 
    1160                 1165                 1170             


Ala Ser  Val Val Asn Ile Gln  Lys Glu Ile Asp Arg  Leu Asn Glu 
    1175                 1180                 1185             


Val Ala  Lys Asn Leu Asn Glu  Ser Leu Ile Asp Leu  Gln Glu Leu 
    1190                 1195                 1200             


Gly Lys  Tyr Glu Gln Tyr Ile  Lys Trp Pro Trp Tyr  Ile Trp Leu 
    1205                 1210                 1215             


Gly Phe  Ile Ala Gly Leu Ile  Ala Ile Val Met Val  Thr Ile Met 
    1220                 1225                 1230             


Leu Cys  Cys Met Thr Ser Cys  Cys Ser Cys Leu Lys  Gly Cys Cys 
    1235                 1240                 1245             


Ser Cys  Gly Ser Cys Cys Lys  Phe Asp Glu Asp Asp  Ser Glu Pro 
    1250                 1255                 1260             


Val Leu  Lys Gly Val Lys Leu  His Tyr Thr 
    1265                 1270             


<210>  2
<211>  1198
<212>  PRT
<213>  Severe acute respiratory syndrome coronavirus 2


<220>
<221>  SITE
<222>  (1)..(1198)
<223>  SARS-Cov-2 spike protein without leader sequence, that includes 
       the S1 subunit and the S2 subunit up to amino acid 1213 (amino 
       acids 16-1213 of SEQ ID NO:1)

<400>  2

Val Asn Leu Thr Thr Arg Thr Gln Leu Pro Pro Ala Tyr Thr Asn Ser 
1               5                   10                  15      


Phe Thr Arg Gly Val Tyr Tyr Pro Asp Lys Val Phe Arg Ser Ser Val 
            20                  25                  30          


Leu His Ser Thr Gln Asp Leu Phe Leu Pro Phe Phe Ser Asn Val Thr 
        35                  40                  45              


Trp Phe His Ala Ile His Val Ser Gly Thr Asn Gly Thr Lys Arg Phe 
    50                  55                  60                  


Asp Asn Pro Val Leu Pro Phe Asn Asp Gly Val Tyr Phe Ala Ser Thr 
65                  70                  75                  80  


Glu Lys Ser Asn Ile Ile Arg Gly Trp Ile Phe Gly Thr Thr Leu Asp 
                85                  90                  95      


Ser Lys Thr Gln Ser Leu Leu Ile Val Asn Asn Ala Thr Asn Val Val 
            100                 105                 110         


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


Tyr Tyr His Lys Asn Asn Lys Ser Trp Met Glu Ser Glu Phe Arg Val 
    130                 135                 140                 


Tyr Ser Ser Ala Asn Asn Cys Thr Phe Glu Tyr Val Ser Gln Pro Phe 
145                 150                 155                 160 


Leu Met Asp Leu Glu Gly Lys Gln Gly Asn Phe Lys Asn Leu Arg Glu 
                165                 170                 175     


Phe Val Phe Lys Asn Ile Asp Gly Tyr Phe Lys Ile Tyr Ser Lys His 
            180                 185                 190         


Thr Pro Ile Asn Leu Val Arg Asp Leu Pro Gln Gly Phe Ser Ala Leu 
        195                 200                 205             


Glu Pro Leu Val Asp Leu Pro Ile Gly Ile Asn Ile Thr Arg Phe Gln 
    210                 215                 220                 


Thr Leu Leu Ala Leu His Arg Ser Tyr Leu Thr Pro Gly Asp Ser Ser 
225                 230                 235                 240 


Ser Gly Trp Thr Ala Gly Ala Ala Ala Tyr Tyr Val Gly Tyr Leu Gln 
                245                 250                 255     


Pro Arg Thr Phe Leu Leu Lys Tyr Asn Glu Asn Gly Thr Ile Thr Asp 
            260                 265                 270         


Ala Val Asp Cys Ala Leu Asp Pro Leu Ser Glu Thr Lys Cys Thr Leu 
        275                 280                 285             


Lys Ser Phe Thr Val Glu Lys Gly Ile Tyr Gln Thr Ser Asn Phe Arg 
    290                 295                 300                 


Val Gln Pro Thr Glu Ser Ile Val Arg Phe Pro Asn Ile Thr Asn Leu 
305                 310                 315                 320 


Cys Pro Phe Gly Glu Val Phe Asn Ala Thr Arg Phe Ala Ser Val Tyr 
                325                 330                 335     


Ala Trp Asn Arg Lys Arg Ile Ser Asn Cys Val Ala Asp Tyr Ser Val 
            340                 345                 350         


Leu Tyr Asn Ser Ala Ser Phe Ser Thr Phe Lys Cys Tyr Gly Val Ser 
        355                 360                 365             


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


Phe Val Ile Arg Gly Asp Glu Val Arg Gln Ile Ala Pro Gly Gln Thr 
385                 390                 395                 400 


Gly Lys Ile Ala Asp Tyr Asn Tyr Lys Leu Pro Asp Asp Phe Thr Gly 
                405                 410                 415     


Cys Val Ile Ala Trp Asn Ser Asn Asn Leu Asp Ser Lys Val Gly Gly 
            420                 425                 430         


Asn Tyr Asn Tyr Leu Tyr Arg Leu Phe Arg Lys Ser Asn Leu Lys Pro 
        435                 440                 445             


Phe Glu Arg Asp Ile Ser Thr Glu Ile Tyr Gln Ala Gly Ser Thr Pro 
    450                 455                 460                 


Cys Asn Gly Val Glu Gly Phe Asn Cys Tyr Phe Pro Leu Gln Ser Tyr 
465                 470                 475                 480 


Gly Phe Gln Pro Thr Asn Gly Val Gly Tyr Gln Pro Tyr Arg Val Val 
                485                 490                 495     


Val Leu Ser Phe Glu Leu Leu His Ala Pro Ala Thr Val Cys Gly Pro 
            500                 505                 510         


Lys Lys Ser Thr Asn Leu Val Lys Asn Lys Cys Val Asn Phe Asn Phe 
        515                 520                 525             


Asn Gly Leu Thr Gly Thr Gly Val Leu Thr Glu Ser Asn Lys Lys Phe 
    530                 535                 540                 


Leu Pro Phe Gln Gln Phe Gly Arg Asp Ile Ala Asp Thr Thr Asp Ala 
545                 550                 555                 560 


Val Arg Asp Pro Gln Thr Leu Glu Ile Leu Asp Ile Thr Pro Cys Ser 
                565                 570                 575     


Phe Gly Gly Val Ser Val Ile Thr Pro Gly Thr Asn Thr Ser Asn Gln 
            580                 585                 590         


Val Ala Val Leu Tyr Gln Asp Val Asn Cys Thr Glu Val Pro Val Ala 
        595                 600                 605             


Ile His Ala Asp Gln Leu Thr Pro Thr Trp Arg Val Tyr Ser Thr Gly 
    610                 615                 620                 


Ser Asn Val Phe Gln Thr Arg Ala Gly Cys Leu Ile Gly Ala Glu His 
625                 630                 635                 640 


Val Asn Asn Ser Tyr Glu Cys Asp Ile Pro Ile Gly Ala Gly Ile Cys 
                645                 650                 655     


Ala Ser Tyr Gln Thr Gln Thr Asn Ser Pro Arg Arg Ala Arg Ser Val 
            660                 665                 670         


Ala Ser Gln Ser Ile Ile Ala Tyr Thr Met Ser Leu Gly Ala Glu Asn 
        675                 680                 685             


Ser Val Ala Tyr Ser Asn Asn Ser Ile Ala Ile Pro Thr Asn Phe Thr 
    690                 695                 700                 


Ile Ser Val Thr Thr Glu Ile Leu Pro Val Ser Met Thr Lys Thr Ser 
705                 710                 715                 720 


Val Asp Cys Thr Met Tyr Ile Cys Gly Asp Ser Thr Glu Cys Ser Asn 
                725                 730                 735     


Leu Leu Leu Gln Tyr Gly Ser Phe Cys Thr Gln Leu Asn Arg Ala Leu 
            740                 745                 750         


Thr Gly Ile Ala Val Glu Gln Asp Lys Asn Thr Gln Glu Val Phe Ala 
        755                 760                 765             


Gln Val Lys Gln Ile Tyr Lys Thr Pro Pro Ile Lys Asp Phe Gly Gly 
    770                 775                 780                 


Phe Asn Phe Ser Gln Ile Leu Pro Asp Pro Ser Lys Pro Ser Lys Arg 
785                 790                 795                 800 


Ser Phe Ile Glu Asp Leu Leu Phe Asn Lys Val Thr Leu Ala Asp Ala 
                805                 810                 815     


Gly Phe Ile Lys Gln Tyr Gly Asp Cys Leu Gly Asp Ile Ala Ala Arg 
            820                 825                 830         


Asp Leu Ile Cys Ala Gln Lys Phe Asn Gly Leu Thr Val Leu Pro Pro 
        835                 840                 845             


Leu Leu Thr Asp Glu Met Ile Ala Gln Tyr Thr Ser Ala Leu Leu Ala 
    850                 855                 860                 


Gly Thr Ile Thr Ser Gly Trp Thr Phe Gly Ala Gly Ala Ala Leu Gln 
865                 870                 875                 880 


Ile Pro Phe Ala Met Gln Met Ala Tyr Arg Phe Asn Gly Ile Gly Val 
                885                 890                 895     


Thr Gln Asn Val Leu Tyr Glu Asn Gln Lys Leu Ile Ala Asn Gln Phe 
            900                 905                 910         


Asn Ser Ala Ile Gly Lys Ile Gln Asp Ser Leu Ser Ser Thr Ala Ser 
        915                 920                 925             


Ala Leu Gly Lys Leu Gln Asp Val Val Asn Gln Asn Ala Gln Ala Leu 
    930                 935                 940                 


Asn Thr Leu Val Lys Gln Leu Ser Ser Asn Phe Gly Ala Ile Ser Ser 
945                 950                 955                 960 


Val Leu Asn Asp Ile Leu Ser Arg Leu Asp Lys Val Glu Ala Glu Val 
                965                 970                 975     


Gln Ile Asp Arg Leu Ile Thr Gly Arg Leu Gln Ser Leu Gln Thr Tyr 
            980                 985                 990         


Val Thr Gln Gln Leu Ile Arg Ala  Ala Glu Ile Arg Ala  Ser Ala Asn 
        995                 1000                 1005             


Leu Ala  Ala Thr Lys Met Ser  Glu Cys Val Leu Gly  Gln Ser Lys 
    1010                 1015                 1020             


Arg Val  Asp Phe Cys Gly Lys  Gly Tyr His Leu Met  Ser Phe Pro 
    1025                 1030                 1035             


Gln Ser  Ala Pro His Gly Val  Val Phe Leu His Val  Thr Tyr Val 
    1040                 1045                 1050             


Pro Ala  Gln Glu Lys Asn Phe  Thr Thr Ala Pro Ala  Ile Cys His 
    1055                 1060                 1065             


Asp Gly  Lys Ala His Phe Pro  Arg Glu Gly Val Phe  Val Ser Asn 
    1070                 1075                 1080             


Gly Thr  His Trp Phe Val Thr  Gln Arg Asn Phe Tyr  Glu Pro Gln 
    1085                 1090                 1095             


Ile Ile  Thr Thr Asp Asn Thr  Phe Val Ser Gly Asn  Cys Asp Val 
    1100                 1105                 1110             


Val Ile  Gly Ile Val Asn Asn  Thr Val Tyr Asp Pro  Leu Gln Pro 
    1115                 1120                 1125             


Glu Leu  Asp Ser Phe Lys Glu  Glu Leu Asp Lys Tyr  Phe Lys Asn 
    1130                 1135                 1140             


His Thr  Ser Pro Asp Val Asp  Leu Gly Asp Ile Ser  Gly Ile Asn 
    1145                 1150                 1155             


Ala Ser  Val Val Asn Ile Gln  Lys Glu Ile Asp Arg  Leu Asn Glu 
    1160                 1165                 1170             


Val Ala  Lys Asn Leu Asn Glu  Ser Leu Ile Asp Leu  Gln Glu Leu 
    1175                 1180                 1185             


Gly Lys  Tyr Glu Gln Tyr Ile  Lys Trp Pro 
    1190                 1195             


<210>  3
<211>  685
<212>  PRT
<213>  Severe acute respiratory syndrome coronavirus 2


<220>
<221>  SITE
<222>  (1)..(685)
<223>  SARS-Cov-2 spike S1 subunit (including leader sequence)

<400>  3

Met Phe Val Phe Leu Val Leu Leu Pro Leu Val Ser Ser Gln Cys Val 
1               5                   10                  15      


Asn Leu Thr Thr Arg Thr Gln Leu Pro Pro Ala Tyr Thr Asn Ser Phe 
            20                  25                  30          


Thr Arg Gly Val Tyr Tyr Pro Asp Lys Val Phe Arg Ser Ser Val Leu 
        35                  40                  45              


His Ser Thr Gln Asp Leu Phe Leu Pro Phe Phe Ser Asn Val Thr Trp 
    50                  55                  60                  


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


Asn Pro Val Leu Pro Phe Asn Asp Gly Val Tyr Phe Ala Ser Thr Glu 
                85                  90                  95      


Lys Ser Asn Ile Ile Arg Gly Trp Ile Phe Gly Thr Thr Leu Asp Ser 
            100                 105                 110         


Lys Thr Gln Ser Leu Leu Ile Val Asn Asn Ala Thr Asn Val Val Ile 
        115                 120                 125             


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


Tyr His Lys Asn Asn Lys Ser Trp Met Glu Ser Glu Phe Arg Val Tyr 
145                 150                 155                 160 


Ser Ser Ala Asn Asn Cys Thr Phe Glu Tyr Val Ser Gln Pro Phe Leu 
                165                 170                 175     


Met Asp Leu Glu Gly Lys Gln Gly Asn Phe Lys Asn Leu Arg Glu Phe 
            180                 185                 190         


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


Pro Ile Asn Leu Val Arg Asp Leu Pro Gln Gly Phe Ser Ala Leu Glu 
    210                 215                 220                 


Pro Leu Val Asp Leu Pro Ile Gly Ile Asn Ile Thr Arg Phe Gln Thr 
225                 230                 235                 240 


Leu Leu Ala Leu His Arg Ser Tyr Leu Thr Pro Gly Asp Ser Ser Ser 
                245                 250                 255     


Gly Trp Thr Ala Gly Ala Ala Ala Tyr Tyr Val Gly Tyr Leu Gln Pro 
            260                 265                 270         


Arg Thr Phe Leu Leu Lys Tyr Asn Glu Asn Gly Thr Ile Thr Asp Ala 
        275                 280                 285             


Val Asp Cys Ala Leu Asp Pro Leu Ser Glu Thr Lys Cys Thr Leu Lys 
    290                 295                 300                 


Ser Phe Thr Val Glu Lys Gly Ile Tyr Gln Thr Ser Asn Phe Arg Val 
305                 310                 315                 320 


Gln Pro Thr Glu Ser Ile Val Arg Phe Pro Asn Ile Thr Asn Leu Cys 
                325                 330                 335     


Pro Phe Gly Glu Val Phe Asn Ala Thr Arg Phe Ala Ser Val Tyr Ala 
            340                 345                 350         


Trp Asn Arg Lys Arg Ile Ser Asn Cys Val Ala Asp Tyr Ser Val Leu 
        355                 360                 365             


Tyr Asn Ser Ala Ser Phe Ser Thr Phe Lys Cys Tyr Gly Val Ser Pro 
    370                 375                 380                 


Thr Lys Leu Asn Asp Leu Cys Phe Thr Asn Val Tyr Ala Asp Ser Phe 
385                 390                 395                 400 


Val Ile Arg Gly Asp Glu Val Arg Gln Ile Ala Pro Gly Gln Thr Gly 
                405                 410                 415     


Lys Ile Ala Asp Tyr Asn Tyr Lys Leu Pro Asp Asp Phe Thr Gly Cys 
            420                 425                 430         


Val Ile Ala Trp Asn Ser Asn Asn Leu Asp Ser Lys Val Gly Gly Asn 
        435                 440                 445             


Tyr Asn Tyr Leu Tyr Arg Leu Phe Arg Lys Ser Asn Leu Lys Pro Phe 
    450                 455                 460                 


Glu Arg Asp Ile Ser Thr Glu Ile Tyr Gln Ala Gly Ser Thr Pro Cys 
465                 470                 475                 480 


Asn Gly Val Glu Gly Phe Asn Cys Tyr Phe Pro Leu Gln Ser Tyr Gly 
                485                 490                 495     


Phe Gln Pro Thr Asn Gly Val Gly Tyr Gln Pro Tyr Arg Val Val Val 
            500                 505                 510         


Leu Ser Phe Glu Leu Leu His Ala Pro Ala Thr Val Cys Gly Pro Lys 
        515                 520                 525             


Lys Ser Thr Asn Leu Val Lys Asn Lys Cys Val Asn Phe Asn Phe Asn 
    530                 535                 540                 


Gly Leu Thr Gly Thr Gly Val Leu Thr Glu Ser Asn Lys Lys Phe Leu 
545                 550                 555                 560 


Pro Phe Gln Gln Phe Gly Arg Asp Ile Ala Asp Thr Thr Asp Ala Val 
                565                 570                 575     


Arg Asp Pro Gln Thr Leu Glu Ile Leu Asp Ile Thr Pro Cys Ser Phe 
            580                 585                 590         


Gly Gly Val Ser Val Ile Thr Pro Gly Thr Asn Thr Ser Asn Gln Val 
        595                 600                 605             


Ala Val Leu Tyr Gln Asp Val Asn Cys Thr Glu Val Pro Val Ala Ile 
    610                 615                 620                 


His Ala Asp Gln Leu Thr Pro Thr Trp Arg Val Tyr Ser Thr Gly Ser 
625                 630                 635                 640 


Asn Val Phe Gln Thr Arg Ala Gly Cys Leu Ile Gly Ala Glu His Val 
                645                 650                 655     


Asn Asn Ser Tyr Glu Cys Asp Ile Pro Ile Gly Ala Gly Ile Cys Ala 
            660                 665                 670         


Ser Tyr Gln Thr Gln Thr Asn Ser Pro Arg Arg Ala Arg 
        675                 680                 685 


<210>  4
<211>  670
<212>  PRT
<213>  Severe acute respiratory syndrome coronavirus 2


<220>
<221>  SITE
<222>  (1)..(670)
<223>  SARS-Cov-2 spike S1 subunit (no leader sequence), Amino acids 
       16-685 of SEQ ID NO:1

<400>  4

Val Asn Leu Thr Thr Arg Thr Gln Leu Pro Pro Ala Tyr Thr Asn Ser 
1               5                   10                  15      


Phe Thr Arg Gly Val Tyr Tyr Pro Asp Lys Val Phe Arg Ser Ser Val 
            20                  25                  30          


Leu His Ser Thr Gln Asp Leu Phe Leu Pro Phe Phe Ser Asn Val Thr 
        35                  40                  45              


Trp Phe His Ala Ile His Val Ser Gly Thr Asn Gly Thr Lys Arg Phe 
    50                  55                  60                  


Asp Asn Pro Val Leu Pro Phe Asn Asp Gly Val Tyr Phe Ala Ser Thr 
65                  70                  75                  80  


Glu Lys Ser Asn Ile Ile Arg Gly Trp Ile Phe Gly Thr Thr Leu Asp 
                85                  90                  95      


Ser Lys Thr Gln Ser Leu Leu Ile Val Asn Asn Ala Thr Asn Val Val 
            100                 105                 110         


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


Tyr Tyr His Lys Asn Asn Lys Ser Trp Met Glu Ser Glu Phe Arg Val 
    130                 135                 140                 


Tyr Ser Ser Ala Asn Asn Cys Thr Phe Glu Tyr Val Ser Gln Pro Phe 
145                 150                 155                 160 


Leu Met Asp Leu Glu Gly Lys Gln Gly Asn Phe Lys Asn Leu Arg Glu 
                165                 170                 175     


Phe Val Phe Lys Asn Ile Asp Gly Tyr Phe Lys Ile Tyr Ser Lys His 
            180                 185                 190         


Thr Pro Ile Asn Leu Val Arg Asp Leu Pro Gln Gly Phe Ser Ala Leu 
        195                 200                 205             


Glu Pro Leu Val Asp Leu Pro Ile Gly Ile Asn Ile Thr Arg Phe Gln 
    210                 215                 220                 


Thr Leu Leu Ala Leu His Arg Ser Tyr Leu Thr Pro Gly Asp Ser Ser 
225                 230                 235                 240 


Ser Gly Trp Thr Ala Gly Ala Ala Ala Tyr Tyr Val Gly Tyr Leu Gln 
                245                 250                 255     


Pro Arg Thr Phe Leu Leu Lys Tyr Asn Glu Asn Gly Thr Ile Thr Asp 
            260                 265                 270         


Ala Val Asp Cys Ala Leu Asp Pro Leu Ser Glu Thr Lys Cys Thr Leu 
        275                 280                 285             


Lys Ser Phe Thr Val Glu Lys Gly Ile Tyr Gln Thr Ser Asn Phe Arg 
    290                 295                 300                 


Val Gln Pro Thr Glu Ser Ile Val Arg Phe Pro Asn Ile Thr Asn Leu 
305                 310                 315                 320 


Cys Pro Phe Gly Glu Val Phe Asn Ala Thr Arg Phe Ala Ser Val Tyr 
                325                 330                 335     


Ala Trp Asn Arg Lys Arg Ile Ser Asn Cys Val Ala Asp Tyr Ser Val 
            340                 345                 350         


Leu Tyr Asn Ser Ala Ser Phe Ser Thr Phe Lys Cys Tyr Gly Val Ser 
        355                 360                 365             


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


Phe Val Ile Arg Gly Asp Glu Val Arg Gln Ile Ala Pro Gly Gln Thr 
385                 390                 395                 400 


Gly Lys Ile Ala Asp Tyr Asn Tyr Lys Leu Pro Asp Asp Phe Thr Gly 
                405                 410                 415     


Cys Val Ile Ala Trp Asn Ser Asn Asn Leu Asp Ser Lys Val Gly Gly 
            420                 425                 430         


Asn Tyr Asn Tyr Leu Tyr Arg Leu Phe Arg Lys Ser Asn Leu Lys Pro 
        435                 440                 445             


Phe Glu Arg Asp Ile Ser Thr Glu Ile Tyr Gln Ala Gly Ser Thr Pro 
    450                 455                 460                 


Cys Asn Gly Val Glu Gly Phe Asn Cys Tyr Phe Pro Leu Gln Ser Tyr 
465                 470                 475                 480 


Gly Phe Gln Pro Thr Asn Gly Val Gly Tyr Gln Pro Tyr Arg Val Val 
                485                 490                 495     


Val Leu Ser Phe Glu Leu Leu His Ala Pro Ala Thr Val Cys Gly Pro 
            500                 505                 510         


Lys Lys Ser Thr Asn Leu Val Lys Asn Lys Cys Val Asn Phe Asn Phe 
        515                 520                 525             


Asn Gly Leu Thr Gly Thr Gly Val Leu Thr Glu Ser Asn Lys Lys Phe 
    530                 535                 540                 


Leu Pro Phe Gln Gln Phe Gly Arg Asp Ile Ala Asp Thr Thr Asp Ala 
545                 550                 555                 560 


Val Arg Asp Pro Gln Thr Leu Glu Ile Leu Asp Ile Thr Pro Cys Ser 
                565                 570                 575     


Phe Gly Gly Val Ser Val Ile Thr Pro Gly Thr Asn Thr Ser Asn Gln 
            580                 585                 590         


Val Ala Val Leu Tyr Gln Asp Val Asn Cys Thr Glu Val Pro Val Ala 
        595                 600                 605             


Ile His Ala Asp Gln Leu Thr Pro Thr Trp Arg Val Tyr Ser Thr Gly 
    610                 615                 620                 


Ser Asn Val Phe Gln Thr Arg Ala Gly Cys Leu Ile Gly Ala Glu His 
625                 630                 635                 640 


Val Asn Asn Ser Tyr Glu Cys Asp Ile Pro Ile Gly Ala Gly Ile Cys 
                645                 650                 655     


Ala Ser Tyr Gln Thr Gln Thr Asn Ser Pro Arg Arg Ala Arg 
            660                 665                 670 


<210>  5
<211>  219
<212>  PRT
<213>  Severe acute respiratory syndrome coronavirus 2


<220>
<221>  SITE
<222>  (1)..(219)
<223>  SARS-Cov-2 spike protein RBD, amino acids 319-537 of SEQ ID NO:1

<400>  5

Arg Val Gln Pro Thr Glu Ser Ile Val Arg Phe Pro Asn Ile Thr Asn 
1               5                   10                  15      


Leu Cys Pro Phe Gly Glu Val Phe Asn Ala Thr Arg Phe Ala Ser Val 
            20                  25                  30          


Tyr Ala Trp Asn Arg Lys Arg Ile Ser Asn Cys Val Ala Asp Tyr Ser 
        35                  40                  45              


Val Leu Tyr Asn Ser Ala Ser Phe Ser Thr Phe Lys Cys Tyr Gly Val 
    50                  55                  60                  


Ser Pro Thr Lys Leu Asn Asp Leu Cys Phe Thr Asn Val Tyr Ala Asp 
65                  70                  75                  80  


Ser Phe Val Ile Arg Gly Asp Glu Val Arg Gln Ile Ala Pro Gly Gln 
                85                  90                  95      


Thr Gly Lys Ile Ala Asp Tyr Asn Tyr Lys Leu Pro Asp Asp Phe Thr 
            100                 105                 110         


Gly Cys Val Ile Ala Trp Asn Ser Asn Asn Leu Asp Ser Lys Val Gly 
        115                 120                 125             


Gly Asn Tyr Asn Tyr Leu Tyr Arg Leu Phe Arg Lys Ser Asn Leu Lys 
    130                 135                 140                 


Pro Phe Glu Arg Asp Ile Ser Thr Glu Ile Tyr Gln Ala Gly Ser Thr 
145                 150                 155                 160 


Pro Cys Asn Gly Val Glu Gly Phe Asn Cys Tyr Phe Pro Leu Gln Ser 
                165                 170                 175     


Tyr Gly Phe Gln Pro Thr Asn Gly Val Gly Tyr Gln Pro Tyr Arg Val 
            180                 185                 190         


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


Pro Lys Lys Ser Thr Asn Leu Val Lys Asn Lys 
    210                 215                 


<210>  6
<211>  124
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Synthetic: mAb S7E5041 Heavy Chain Variable Domain

<400>  6

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


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


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


Ser Tyr Thr Ser Pro Ser Gly Tyr Phe Thr Tyr Tyr Ala Asp Ser Val 
    50                  55                  60                  


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


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


Ala Arg Glu Gly Ala Phe Tyr Tyr Gly Ala Leu Ser Asp Ala Phe Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120                 


<210>  7
<211>  110
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Synthetic: mAb S7E5041 Light Chain Variable Domain

<400>  7

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


Arg Val Thr Ile Ser Cys Ser Gly Ser Tyr Tyr Asn Val Gly Gly Ser 
            20                  25                  30          


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


Ile Tyr Ser Asn Asn Gln Arg Pro Ser Gly Val Pro Asp Arg Phe Ser 
    50                  55                  60                  


Gly Ser Lys Ser Gly Thr Ser Ala Ser Leu Ala Ile Ser Gly Leu Gln 
65                  70                  75                  80  


Ser Glu Asp Glu Ala Asp Tyr Tyr Cys Ala Ala Trp Asp Asp Arg Val 
                85                  90                  95      


Asn Gly Val Val Phe Gly Gly Gly Thr Lys Leu Thr Val Leu 
            100                 105                 110 


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

<220>
<223>  Synthetic: mAb S7E5041 Heavy chain CDR1

<400>  8

Asp Tyr Asn Met Asn 
1               5   


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

<220>
<223>  Synthetic: mAb S7E5041 Heavy chain CDR2

<400>  9

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


Gly 
    


<210>  10
<211>  15
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Synthetic: mAb S7E5041 Heavy chain CDR3

<400>  10

Glu Gly Ala Phe Tyr Tyr Gly Ala Leu Ser Asp Ala Phe Asp Tyr 
1               5                   10                  15  


<210>  11
<211>  13
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Synthetic: mAb S7E5041 Light chain CDR1

<400>  11

Ser Gly Ser Tyr Tyr Asn Val Gly Gly Ser Gly Val Asn 
1               5                   10              


<210>  12
<211>  7
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Synthetic: mAb S7E5041 Light chain CDR2

<400>  12

Ser Asn Asn Gln Arg Pro Ser 
1               5           


<210>  13
<211>  11
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Synthetic: mAb S7E5041 Light chain CDR3

<400>  13

Ala Ala Trp Asp Asp Arg Val Asn Gly Val Val 
1               5                   10      


<210>  14
<211>  330
<212>  PRT
<213>  Homo sapiens


<220>
<221>  SITE
<222>  (1)..(330)
<223>  Human Fc region with LALA mutations (L234A, L235A)

<400>  14

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


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


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


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


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


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


Arg Val Glu Pro Lys Ser Cys Asp Lys Thr His Thr Cys Pro Pro Cys 
            100                 105                 110         


Pro Ala Pro Glu Ala Ala Gly Gly Pro Ser Val Phe Leu Phe Pro Pro 
        115                 120                 125             


Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys 
    130                 135                 140                 


Val Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp 
145                 150                 155                 160 


Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu 
                165                 170                 175     


Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu 
            180                 185                 190         


His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn 
        195                 200                 205             


Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly 
    210                 215                 220                 


Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser Arg Glu Glu 
225                 230                 235                 240 


Met Thr Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr 
                245                 250                 255     


Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn 
            260                 265                 270         


Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe 
        275                 280                 285             


Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn 
    290                 295                 300                 


Val Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr 
305                 310                 315                 320 


Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys 
                325                 330 


<210>  15
<211>  330
<212>  PRT
<213>  Homo sapiens


<220>
<221>  SITE
<222>  (1)..(330)
<223>  Human Fc region with triple mutation YTE: M252Y, S254T, T256E

<400>  15

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


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


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


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


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


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


Arg Val Glu Pro Lys Ser Cys Asp Lys Thr His Thr Cys Pro Pro Cys 
            100                 105                 110         


Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro 
        115                 120                 125             


Lys Pro Lys Asp Thr Leu Tyr Ile Thr Arg Glu Pro Glu Val Thr Cys 
    130                 135                 140                 


Val Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp 
145                 150                 155                 160 


Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu 
                165                 170                 175     


Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu 
            180                 185                 190         


His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn 
        195                 200                 205             


Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly 
    210                 215                 220                 


Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser Arg Glu Glu 
225                 230                 235                 240 


Met Thr Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr 
                245                 250                 255     


Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn 
            260                 265                 270         


Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe 
        275                 280                 285             


Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn 
    290                 295                 300                 


Val Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr 
305                 310                 315                 320 


Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys 
                325                 330 


<210>  16
<211>  330
<212>  PRT
<213>  Homo sapiens


<220>
<221>  SITE
<222>  (1)..(330)
<223>  Human Fc region with LALA and YTE mutations: (L234A, L235A) 
       (M252Y, S254T, T256E)

<400>  16

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


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


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


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


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


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


Arg Val Glu Pro Lys Ser Cys Asp Lys Thr His Thr Cys Pro Pro Cys 
            100                 105                 110         


Pro Ala Pro Glu Ala Ala Gly Gly Pro Ser Val Phe Leu Phe Pro Pro 
        115                 120                 125             


Lys Pro Lys Asp Thr Leu Tyr Ile Thr Arg Glu Pro Glu Val Thr Cys 
    130                 135                 140                 


Val Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp 
145                 150                 155                 160 


Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu 
                165                 170                 175     


Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu 
            180                 185                 190         


His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn 
        195                 200                 205             


Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly 
    210                 215                 220                 


Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser Arg Glu Glu 
225                 230                 235                 240 


Met Thr Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr 
                245                 250                 255     


Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn 
            260                 265                 270         


Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe 
        275                 280                 285             


Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn 
    290                 295                 300                 


Val Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr 
305                 310                 315                 320 


Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys 
                325                 330 


<210>  17
<211>  19
<212>  PRT
<213>  Mus musculus


<220>
<221>  SITE
<222>  (1)..(19)
<223>  mouse Ig gamma leader peptide sequence

<400>  17

Met Glu Trp Ser Trp Val Phe Leu Phe Phe Leu Ser Val Thr Thr Gly 
1               5                   10                  15      


Val His Ser 
            


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

<220>
<223>  Synthetic: lower hinge/CH2 sequence

<400>  18

Pro Ala Pro Glu Leu Leu Gly Gly Pro 
1               5                   


<210>  19
<211>  12
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Synthetic: Fc region sequence (CH2)

<400>  19

Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr 
1               5                   10          


<210>  20
<211>  23
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Synthetic: hinge region

<400>  20

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


Pro Glu Leu Leu Gly Gly Pro 
            20              


<210>  21
<211>  15
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Synthetic: linker

<400>  21

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


<210>  22
<211>  805
<212>  PRT
<213>  Homo sapiens


<220>
<221>  SITE
<222>  (1)..(805)
<223>  angiotensin-converting enzyme 2 (ACE2) precursor; NCBI Reference 
       Sequence: NP_068576.1 UniProtKB Q9BYF1

<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 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 Asp Gln Ser Ile Lys Val Arg Ile Ser Leu 
    610                 615                 620                 


Lys Ser Ala Leu Gly Asp Lys Ala Tyr Glu Trp Asn Asp Asn Glu Met 
625                 630                 635                 640 


Tyr Leu Phe Arg Ser Ser Val Ala Tyr Ala Met Arg Gln Tyr Phe Leu 
                645                 650                 655     


Lys Val Lys Asn Gln Met Ile Leu Phe Gly Glu Glu Asp Val Arg Val 
            660                 665                 670         


Ala Asn Leu Lys Pro Arg Ile Ser Phe Asn Phe Phe Val Thr Ala Pro 
        675                 680                 685             


Lys Asn Val Ser Asp Ile Ile Pro Arg Thr Glu Val Glu Lys Ala Ile 
    690                 695                 700                 


Arg Met Ser Arg Ser Arg Ile Asn Asp Ala Phe Arg Leu Asn Asp Asn 
705                 710                 715                 720 


Ser Leu Glu Phe Leu Gly Ile Gln Pro Thr Leu Gly Pro Pro Asn Gln 
                725                 730                 735     


Pro Pro Val Ser Ile Trp Leu Ile Val Phe Gly Val Val Met Gly Val 
            740                 745                 750         


Ile Val Val Gly Ile Val Ile Leu Ile Phe Thr Gly Ile Arg Asp Arg 
        755                 760                 765             


Lys Lys Lys Asn Lys Ala Arg Ser Gly Glu Asn Pro Tyr Ala Ser Ile 
    770                 775                 780                 


Asp Ile Ser Lys Gly Glu Asn Asn Pro Gly Phe Gln Asn Thr Asp Asp 
785                 790                 795                 800 


Val Gln Thr Ser Phe 
                805 


<210>  23
<211>  709
<212>  PRT
<213>  Homo sapiens


<220>
<221>  SITE
<222>  (1)..(709)
<223>  ACE2 receptor polypeptide soluble ectodomain, no signal peptide 
       (amino acids 18-740)

<400>  23

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 Asp Gln Ser Ile Lys Val Arg Ile Ser Leu Lys 
        595                 600                 605             


Ser Ala Leu Gly Asp Lys Ala Tyr Glu Trp Asn Asp Asn Glu Met Tyr 
    610                 615                 620                 


Leu Phe Arg Ser Ser Val Ala Tyr Ala Met Arg Gln Tyr Phe Leu Lys 
625                 630                 635                 640 


Val Lys Asn Gln Met Ile Leu Phe Gly Glu Glu Asp Val Arg Val Ala 
                645                 650                 655     


Asn Leu Lys Pro Arg Ile Ser Phe Asn Phe Phe Val Thr Ala Pro Lys 
            660                 665                 670         


Asn Val Ser Asp Ile Ile Pro Arg Thr Glu Val Glu Lys Ala Ile Arg 
        675                 680                 685             


Met Ser Arg Ser Arg Ile Asn Asp Ala Phe Arg Leu Asn Asp Asn Ser 
    690                 695                 700                 


Leu Glu Phe Leu Gly 
705                 


<210>  24
<211>  598
<212>  PRT
<213>  Homo sapiens


<220>
<221>  SITE
<222>  (1)..(598)
<223>  ACE2 receptor polypeptide soluble ectodomain, no signal peptide 
       (amino acids 18-615 )

<400>  24

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 Asp 
        595             


<210>  25
<211>  231
<212>  PRT
<213>  Homo sapiens


<220>
<221>  SITE
<222>  (1)..(231)
<223>  human IgG1 Fc region (amino acids 100-330 of Genbank P01857) (Fc 
       tag)

<400>  25

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


Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys 
            20                  25                  30          


Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val 
        35                  40                  45              


Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp 
    50                  55                  60                  


Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr 
65                  70                  75                  80  


Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp 
                85                  90                  95      


Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu 
            100                 105                 110         


Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg 
        115                 120                 125             


Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys 
    130                 135                 140                 


Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp 
145                 150                 155                 160 


Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys 
                165                 170                 175     


Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser 
            180                 185                 190         


Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser 
        195                 200                 205             


Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser 
    210                 215                 220                 


Leu Ser Leu Ser Pro Gly Lys 
225                 230     


<210>  26
<211>  508
<212>  DNA
<213>  Cytomegalovirus


<220>
<221>  misc_feature
<222>  (1)..(508)
<223>  CMV enhancer plus promoter

<400>  26
cgttacataa cttacggtaa atggcccgcc tggctgaccg cccaacgacc cccgcccatt       60

gacgtcaata atgacgtatg ttcccatagt aacgccaata gggactttcc attgacgtca      120

atgggtggag tatttacggt aaactgccca cttggcagta catcaagtgt atcatatgcc      180

aagtacgccc cctattgacg tcaatgacgg taaatggccc gcctggcatt atgcccagta      240

catgacctta tgggactttc ctacttggca gtacatctac gtattagtca tcgctattac      300

catggtgatg cggttttggc agtacatcaa tgggcgtgga tagcggtttg actcacgggg      360

atttccaagt ctccacccca ttgacgtcaa tgggagtttg ttttggcacc aaaatcaacg      420

ggactttcca aaatgtcgta acaactccgc cccattgacg caaatgggcg gtaggcgtgt      480

acggtgggag gtctatataa gcagagct                                         508


<210>  27
<211>  676
<212>  PRT
<213>  Severe acute respiratory syndrome coronavirus 2


<220>
<221>  SITE
<222>  (1)..(676)
<223>  SARS-Cov-2 spike S1 subunit (no leader sequence), polyhistidine 
       tag

<400>  27

Val Asn Leu Thr Thr Arg Thr Gln Leu Pro Pro Ala Tyr Thr Asn Ser 
1               5                   10                  15      


Phe Thr Arg Gly Val Tyr Tyr Pro Asp Lys Val Phe Arg Ser Ser Val 
            20                  25                  30          


Leu His Ser Thr Gln Asp Leu Phe Leu Pro Phe Phe Ser Asn Val Thr 
        35                  40                  45              


Trp Phe His Ala Ile His Val Ser Gly Thr Asn Gly Thr Lys Arg Phe 
    50                  55                  60                  


Asp Asn Pro Val Leu Pro Phe Asn Asp Gly Val Tyr Phe Ala Ser Thr 
65                  70                  75                  80  


Glu Lys Ser Asn Ile Ile Arg Gly Trp Ile Phe Gly Thr Thr Leu Asp 
                85                  90                  95      


Ser Lys Thr Gln Ser Leu Leu Ile Val Asn Asn Ala Thr Asn Val Val 
            100                 105                 110         


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


Tyr Tyr His Lys Asn Asn Lys Ser Trp Met Glu Ser Glu Phe Arg Val 
    130                 135                 140                 


Tyr Ser Ser Ala Asn Asn Cys Thr Phe Glu Tyr Val Ser Gln Pro Phe 
145                 150                 155                 160 


Leu Met Asp Leu Glu Gly Lys Gln Gly Asn Phe Lys Asn Leu Arg Glu 
                165                 170                 175     


Phe Val Phe Lys Asn Ile Asp Gly Tyr Phe Lys Ile Tyr Ser Lys His 
            180                 185                 190         


Thr Pro Ile Asn Leu Val Arg Asp Leu Pro Gln Gly Phe Ser Ala Leu 
        195                 200                 205             


Glu Pro Leu Val Asp Leu Pro Ile Gly Ile Asn Ile Thr Arg Phe Gln 
    210                 215                 220                 


Thr Leu Leu Ala Leu His Arg Ser Tyr Leu Thr Pro Gly Asp Ser Ser 
225                 230                 235                 240 


Ser Gly Trp Thr Ala Gly Ala Ala Ala Tyr Tyr Val Gly Tyr Leu Gln 
                245                 250                 255     


Pro Arg Thr Phe Leu Leu Lys Tyr Asn Glu Asn Gly Thr Ile Thr Asp 
            260                 265                 270         


Ala Val Asp Cys Ala Leu Asp Pro Leu Ser Glu Thr Lys Cys Thr Leu 
        275                 280                 285             


Lys Ser Phe Thr Val Glu Lys Gly Ile Tyr Gln Thr Ser Asn Phe Arg 
    290                 295                 300                 


Val Gln Pro Thr Glu Ser Ile Val Arg Phe Pro Asn Ile Thr Asn Leu 
305                 310                 315                 320 


Cys Pro Phe Gly Glu Val Phe Asn Ala Thr Arg Phe Ala Ser Val Tyr 
                325                 330                 335     


Ala Trp Asn Arg Lys Arg Ile Ser Asn Cys Val Ala Asp Tyr Ser Val 
            340                 345                 350         


Leu Tyr Asn Ser Ala Ser Phe Ser Thr Phe Lys Cys Tyr Gly Val Ser 
        355                 360                 365             


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


Phe Val Ile Arg Gly Asp Glu Val Arg Gln Ile Ala Pro Gly Gln Thr 
385                 390                 395                 400 


Gly Lys Ile Ala Asp Tyr Asn Tyr Lys Leu Pro Asp Asp Phe Thr Gly 
                405                 410                 415     


Cys Val Ile Ala Trp Asn Ser Asn Asn Leu Asp Ser Lys Val Gly Gly 
            420                 425                 430         


Asn Tyr Asn Tyr Leu Tyr Arg Leu Phe Arg Lys Ser Asn Leu Lys Pro 
        435                 440                 445             


Phe Glu Arg Asp Ile Ser Thr Glu Ile Tyr Gln Ala Gly Ser Thr Pro 
    450                 455                 460                 


Cys Asn Gly Val Glu Gly Phe Asn Cys Tyr Phe Pro Leu Gln Ser Tyr 
465                 470                 475                 480 


Gly Phe Gln Pro Thr Asn Gly Val Gly Tyr Gln Pro Tyr Arg Val Val 
                485                 490                 495     


Val Leu Ser Phe Glu Leu Leu His Ala Pro Ala Thr Val Cys Gly Pro 
            500                 505                 510         


Lys Lys Ser Thr Asn Leu Val Lys Asn Lys Cys Val Asn Phe Asn Phe 
        515                 520                 525             


Asn Gly Leu Thr Gly Thr Gly Val Leu Thr Glu Ser Asn Lys Lys Phe 
    530                 535                 540                 


Leu Pro Phe Gln Gln Phe Gly Arg Asp Ile Ala Asp Thr Thr Asp Ala 
545                 550                 555                 560 


Val Arg Asp Pro Gln Thr Leu Glu Ile Leu Asp Ile Thr Pro Cys Ser 
                565                 570                 575     


Phe Gly Gly Val Ser Val Ile Thr Pro Gly Thr Asn Thr Ser Asn Gln 
            580                 585                 590         


Val Ala Val Leu Tyr Gln Asp Val Asn Cys Thr Glu Val Pro Val Ala 
        595                 600                 605             


Ile His Ala Asp Gln Leu Thr Pro Thr Trp Arg Val Tyr Ser Thr Gly 
    610                 615                 620                 


Ser Asn Val Phe Gln Thr Arg Ala Gly Cys Leu Ile Gly Ala Glu His 
625                 630                 635                 640 


Val Asn Asn Ser Tyr Glu Cys Asp Ile Pro Ile Gly Ala Gly Ile Cys 
                645                 650                 655     


Ala Ser Tyr Gln Thr Gln Thr Asn Ser Pro Arg Arg Ala Arg His His 
            660                 665                 670         


His His His His 
        675     


<210>  28
<211>  117
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Synthetic: S1D7270 antibody, Heavy Chain Variable region

<400>  28

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


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


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


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


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


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


Arg Glu Leu Gly Tyr Tyr Gly Met Asp Val Trp Gly Gln Gly Thr Thr 
            100                 105                 110         


Val Thr Val Ser Ser 
        115         


<210>  29
<211>  107
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Synthetic: S1D7270 antibody, Light Chain Variable region

<400>  29

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


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


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


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


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


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


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


<210>  30
<211>  5
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Synthetic: S1D7270 antibody, Heavy Chain CDR1

<400>  30

Ser Asn Tyr Met Ser 
1               5   


<210>  31
<211>  16
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Synthetic: S1D7270 antibody, Heavy Chain CDR2

<400>  31

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


<210>  32
<211>  9
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Synthetic: S1D7270 antibody, Heavy Chain CDR3

<400>  32

Glu Leu Gly Tyr Tyr Gly Met Asp Val 
1               5                   


<210>  33
<211>  11
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Synthetic: S1D7270 antibody, Light Chain CDR1

<400>  33

Arg Ala Ser Gln Gly Ile Ser Thr Trp Leu Val 
1               5                   10      


<210>  34
<211>  7
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Synthetic: S1D7270 antibody, Light Chain CDR2

<400>  34

Gly Ala Ser Ser Leu Gln Ser 
1               5           


<210>  35
<211>  9
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Synthetic: S1D7270 antibody, Light Chain CDR3

<400>  35

Gln Gln Ala Asn Ala Tyr Pro Tyr Thr 
1               5                   


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

<220>
<223>  Synthetic: IgG1 upper hinge sequence

<400>  36

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


<210>  37
<211>  4
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Synthetic: IgG1 core hinge sequence


<220>
<221>  MISC_FEATURE
<222>  (3)..(3)
<223>  X is P, R or S

<400>  37

Cys Pro Xaa Cys 
1               


