                         SEQUENCE LISTING

<110>  CNRS
       Universit de Montpellier 2
       Institut Curie
 
<120>  PROCESS OF DIAGNOSTIC, PRONOSTIC AND THERAPEUTIC MONITORING OF 
       SOLID TUMORS

<130>  WOB 11 CM CNR TOME

<150>  61/552,594
<151>  2011-10-28

<160>  41    

<170>  PatentIn version 3.5

<210>  1
<211>  328
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Amphotropic Murine Leukaemia Virus 4070A


<220>
<221>  PEPTIDE
<222>  (1)..(328)

<400>  1

Met Ala Arg Ser Thr Leu Ser Lys Pro Pro Gln Asp Lys Ile Asn Pro 
1               5                   10                  15      


Trp Lys Pro Leu Ile Val Met Gly Val Leu Leu Gly Val Gly Met Ala 
            20                  25                  30          


Glu Ser Pro His Gln Val Phe Asn Val Thr Trp Arg Val Thr Asn Leu 
        35                  40                  45              


Met Thr Gly Arg Thr Ala Asn Ala Thr Ser Leu Leu Gly Thr Val Gln 
    50                  55                  60                  


Asp Ala Phe Pro Lys Leu Tyr Phe Asp Leu Cys Asp Leu Val Gly Glu 
65                  70                  75                  80  


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


Tyr Pro Ala Gly Arg Gln Arg Thr Arg Thr Phe Asp Phe Tyr Val Cys 
            100                 105                 110         


Pro Gly His Thr Val Lys Ser Gly Cys Gly Gly Pro Gly Glu Gly Tyr 
        115                 120                 125             


Cys Gly Lys Trp Gly Cys Glu Thr Thr Gly Gln Ala Tyr Trp Lys Pro 
    130                 135                 140                 


Thr Ser Ser Trp Asp Leu Ile Ser Leu Lys Arg Gly Asn Thr Pro Trp 
145                 150                 155                 160 


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


Lys Val Ser Asn Ser Phe Gln Gly Ala Thr Arg Gly Gly Arg Cys Asn 
            180                 185                 190         


Pro Leu Val Leu Glu Phe Thr Asp Ala Gly Lys Lys Ala Asn Trp Asp 
        195                 200                 205             


Gly Pro Lys Ser Trp Gly Leu Arg Leu Tyr Arg Thr Gly Thr Asp Pro 
    210                 215                 220                 


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


Val Pro Ile Gly Pro Asn Pro Val Leu Pro Asp Gln Arg Leu Pro Ser 
                245                 250                 255     


Ser Pro Ile Glu Ile Val Pro Ala Pro Gln Pro Pro Ser Pro Leu Asn 
            260                 265                 270         


Thr Ser Tyr Pro Pro Ser Thr Thr Ser Thr Pro Ser Thr Ser Pro Thr 
        275                 280                 285             


Ser Pro Ser Val Pro Gln Pro Pro Pro Gly Thr Gly Asp Arg Leu Leu 
    290                 295                 300                 


Ala Leu Val Lys Gly Ala Tyr Gln Ala Leu Asn Leu Thr Asn Pro Asp 
305                 310                 315                 320 


Lys Thr Gln Glu Cys Trp Leu Cys 
                325             


<210>  2
<211>  357
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Gibbon Ape Leukaemia Virus


<220>
<221>  PEPTIDE
<222>  (1)..(357)

<400>  2

Met Val Leu Leu Pro Gly Ser Met Leu Leu Thr Ser Asn Leu His His 
1               5                   10                  15      


Leu Arg His Gln Met Ser Pro Gly Ser Trp Lys Arg Leu Ile Ile Leu 
            20                  25                  30          


Leu Ser Cys Val Phe Gly Gly Gly Gly Thr Ser Leu Gln Asn Lys Asn 
        35                  40                  45              


Pro His Gln Pro Met Thr Leu Thr Trp Gln Val Leu Ser Gln Thr Gly 
    50                  55                  60                  


Asp Val Val Trp Asp Thr Lys Ala Val Gln Pro Pro Trp Thr Trp Trp 
65                  70                  75                  80  


Pro Thr Leu Lys Pro Asp Val Cys Ala Leu Ala Ala Ser Leu Glu Ser 
                85                  90                  95      


Trp Asp Ile Pro Gly Thr Asp Val Ser Ser Ser Lys Arg Val Arg Pro 
            100                 105                 110         


Pro Asp Ser Asp Tyr Thr Ala Ala Tyr Lys Gln Ile Thr Trp Gly Ala 
        115                 120                 125             


Ile Gly Cys Ser Tyr Pro Arg Ala Arg Thr Arg Met Ala Ser Ser Thr 
    130                 135                 140                 


Phe Tyr Val Cys Pro Arg Asp Gly Arg Thr Leu Ser Glu Ala Arg Arg 
145                 150                 155                 160 


Cys Gly Gly Leu Glu Ser Leu Tyr Cys Lys Glu Trp Asp Cys Glu Thr 
                165                 170                 175     


Thr Gly Thr Gly Tyr Trp Leu Ser Lys Ser Ser Lys Asp Leu Ile Thr 
            180                 185                 190         


Val Lys Trp Asp Gln Asn Ser Glu Trp Thr Gln Lys Phe Gln Gln Cys 
        195                 200                 205             


His Gln Thr Gly Trp Cys Asn Pro Leu Lys Ile Asp Phe Thr Asp Lys 
    210                 215                 220                 


Gly Lys Leu Ser Lys Asp Trp Ile Thr Gly Lys Thr Trp Gly Leu Arg 
225                 230                 235                 240 


Phe Tyr Val Ser Gly His Pro Gly Val Gln Phe Thr Ile Arg Leu Lys 
                245                 250                 255     


Ile Thr Asn Met Pro Ala Val Ala Val Gly Pro Asp Leu Val Leu Val 
            260                 265                 270         


Glu Gln Gly Pro Pro Arg Thr Ser Leu Ala Leu Pro Pro Pro Leu Pro 
        275                 280                 285             


Pro Arg Glu Ala Pro Pro Pro Ser Leu Pro Asp Ser Asn Ser Thr Ala 
    290                 295                 300                 


Leu Ala Thr Ser Ala Gln Thr Pro Thr Val Arg Lys Thr Ile Val Thr 
305                 310                 315                 320 


Leu Asn Thr Pro Pro Pro Thr Thr Gly Asp Arg Leu Phe Asp Leu Val 
                325                 330                 335     


Gln Gly Ala Phe Leu Thr Leu Asn Ala Thr Asn Pro Gly Ala Thr Glu 
            340                 345                 350         


Ser Cys Trp Leu Cys 
        355         


<210>  3
<211>  239
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Feline endogenous Leukaemia Virus RD 114


<220>
<221>  PEPTIDE
<222>  (1)..(239)

<400>  3

Met Lys Leu Pro Thr Gly Met Val Ile Leu Cys Ser Leu Ile Ile Val 
1               5                   10                  15      


Arg Ala Gly Phe Asp Asp Pro Arg Lys Ala Ile Ala Leu Val Gln Lys 
            20                  25                  30          


Gln His Gly Lys Pro Cys Glu Cys Ser Gly Gly Gln Val Ser Glu Ala 
        35                  40                  45              


Pro Pro Asn Ser Ile Gln Gln Val Thr Cys Pro Gly Lys Thr Ala Tyr 
    50                  55                  60                  


Leu Met Thr Asn Gln Lys Trp Lys Cys Arg Val Thr Pro Lys Ile Ser 
65                  70                  75                  80  


Pro Ser Gly Gly Glu Leu Gln Asn Cys Pro Cys Asn Thr Phe Gln Asp 
                85                  90                  95      


Ser Met His Ser Ser Cys Tyr Thr Glu Tyr Arg Gln Cys Arg Arg Ile 
            100                 105                 110         


Asn Lys Thr Tyr Tyr Thr Ala Thr Leu Leu Lys Ile Arg Ser Gly Ser 
        115                 120                 125             


Leu Asn Glu Val Gln Ile Leu Gln Asn Pro Asn Gln Leu Leu Gln Ser 
    130                 135                 140                 


Pro Cys Arg Gly Ser Ile Asn Gln Pro Val Cys Trp Ser Ala Thr Ala 
145                 150                 155                 160 


Pro Ile His Ile Ser Asp Gly Gly Gly Pro Leu Asp Thr Lys Arg Val 
                165                 170                 175     


Trp Thr Val Gln Lys Arg Leu Glu Gln Ile His Lys Ala Met Thr Pro 
            180                 185                 190         


Glu Leu Gln Tyr His Pro Leu Ala Leu Pro Lys Val Arg Asp Asp Leu 
        195                 200                 205             


Ser Leu Asp Ala Arg Thr Phe Asp Ile Leu Asn Thr Thr Phe Arg Leu 
    210                 215                 220                 


Leu Gln Met Ser Asn Phe Ser Leu Ala Gln Asp Cys Trp Leu Cys 
225                 230                 235                 


<210>  4
<211>  462
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Vesicular Stomatitis Virus G glycoprotein


<220>
<221>  PEPTIDE
<222>  (1)..(462)

<400>  4

Met Lys Cys Leu Leu Tyr Leu Ala Phe Leu Phe Ile Gly Val Asn Cys 
1               5                   10                  15      


Lys Phe Thr Ile Val Phe Pro His Asn Gln Lys Gly Asn Trp Lys Asn 
            20                  25                  30          


Val Pro Ser Asn Tyr His Tyr Cys Pro Ser Ser Ser Asp Leu Asn Trp 
        35                  40                  45              


His Asn Asp Leu Ile Gly Thr Ala Ile Gln Val Lys Met Pro Lys Ser 
    50                  55                  60                  


His Lys Ala Ile Gln Ala Asp Gly Trp Met Cys His Ala Ser Lys Trp 
65                  70                  75                  80  


Val Thr Thr Cys Asp Phe Arg Trp Tyr Gly Pro Lys Tyr Ile Thr Gln 
                85                  90                  95      


Ser Ile Arg Ser Phe Thr Pro Ser Val Glu Gln Cys Lys Glu Ser Ile 
            100                 105                 110         


Glu Gln Thr Lys Gln Gly Thr Trp Leu Asn Pro Gly Phe Pro Pro Gln 
        115                 120                 125             


Ser Cys Gly Tyr Ala Thr Val Thr Asp Ala Glu Ala Val Ile Val Gln 
    130                 135                 140                 


Val Thr Pro His His Val Leu Val Asp Glu Tyr Thr Gly Glu Trp Val 
145                 150                 155                 160 


Asp Ser Gln Phe Ile Asn Gly Lys Cys Ser Asn Tyr Ile Cys Pro Thr 
                165                 170                 175     


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


Cys Asp Ser Asn Leu Ile Ser Met Asp Ile Thr Phe Phe Ser Glu Asp 
        195                 200                 205             


Gly Glu Leu Ser Ser Leu Gly Lys Glu Gly Thr Gly Phe Arg Ser Asn 
    210                 215                 220                 


Tyr Phe Ala Tyr Glu Thr Gly Gly Lys Ala Cys Lys Met Gln Tyr Cys 
225                 230                 235                 240 


Lys His Trp Gly Val Arg Leu Pro Ser Gly Val Trp Phe Glu Met Ala 
                245                 250                 255     


Asp Lys Asp Leu Phe Ala Ala Ala Arg Phe Pro Glu Cys Pro Glu Gly 
            260                 265                 270         


Ser Ser Ile Ser Ala Pro Ser Gln Thr Ser Val Asp Val Ser Leu Ile 
        275                 280                 285             


Gln Asp Val Glu Arg Ile Leu Asp Tyr Ser Leu Cys Gln Glu Thr Trp 
    290                 295                 300                 


Ser Lys Ile Arg Ala Gly Leu Pro Ile Ser Pro Val Asp Leu Ser Tyr 
305                 310                 315                 320 


Leu Ala Pro Lys Asn Pro Gly Thr Gly Pro Ala Phe Thr Ile Ile Asn 
                325                 330                 335     


Gly Thr Leu Lys Tyr Phe Glu Thr Arg Tyr Ile Arg Val Asp Ile Ala 
            340                 345                 350         


Ala Pro Ile Leu Ser Arg Met Val Gly Met Ile Ser Gly Thr Thr Thr 
        355                 360                 365             


Glu Arg Glu Leu Trp Asp Asp Trp Ala Pro Tyr Glu Asp Val Glu Ile 
    370                 375                 380                 


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


Tyr Met Ile Gly His Gly Met Leu Asp Ser Asp Leu His Leu Ser Ser 
                405                 410                 415     


Lys Ala Gln Val Phe Glu His Pro His Ile Gln Asp Ala Ala Ser Gln 
            420                 425                 430         


Leu Pro Asp Asp Glu Ser Leu Phe Phe Gly Asp Thr Gly Leu Ser Lys 
        435                 440                 445             


Asn Pro Ile Glu Leu Val Glu Gly Trp Phe Ser Ser Trp Lys 
    450                 455                 460         


<210>  5
<211>  339
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env ecotropic Moloney -Murine Leukaemia Virus


<220>
<221>  PEPTIDE
<222>  (1)..(339)

<400>  5

Met Ala Arg Ser Thr Leu Ser Lys Pro Leu Lys Asn Lys Val Asn Pro 
1               5                   10                  15      


Arg Gly Pro Leu Ile Pro Leu Ile Leu Leu Met Leu Arg Gly Val Ser 
            20                  25                  30          


Thr Ala Ser Pro Gly Ser Ser Pro His Gln Val Tyr Asn Ile Thr Trp 
        35                  40                  45              


Glu Val Thr Asn Gly Asp Arg Glu Thr Val Trp Ala Thr Ser Gly Asn 
    50                  55                  60                  


His Pro Leu Trp Thr Trp Trp Pro Asp Leu Thr Pro Asp Leu Cys Met 
65                  70                  75                  80  


Leu Ala His His Gly Pro Ser Tyr Trp Gly Leu Glu Tyr Gln Ser Pro 
                85                  90                  95      


Phe Ser Ser Pro Pro Gly Pro Pro Cys Cys Ser Gly Gly Ser Ser Pro 
            100                 105                 110         


Gly Cys Ser Arg Asp Cys Glu Glu Pro Leu Thr Ser Leu Thr Pro Arg 
        115                 120                 125             


Cys Asn Thr Ala Trp Asn Arg Leu Lys Leu Asp Gln Thr Thr His Lys 
    130                 135                 140                 


Ser Asn Glu Gly Phe Tyr Val Cys Pro Gly Pro His Arg Pro Arg Glu 
145                 150                 155                 160 


Ser Lys Ser Cys Gly Gly Pro Asp Ser Phe Tyr Cys Ala Tyr Trp Gly 
                165                 170                 175     


Cys Glu Thr Thr Gly Arg Ala Tyr Trp Lys Pro Ser Ser Ser Trp Asp 
            180                 185                 190         


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


Cys Lys Asp Asn Lys Trp Cys Asn Pro Leu Val Ile Arg Phe Thr Asp 
    210                 215                 220                 


Ala Gly Arg Arg Val Thr Ser Trp Thr Thr Gly His Tyr Trp Gly Leu 
225                 230                 235                 240 


Arg Leu Tyr Val Ser Gly Gln Asp Pro Gly Leu Thr Phe Gly Ile Arg 
                245                 250                 255     


Leu Arg Tyr Gln Asn Leu Gly Pro Arg Val Pro Ile Gly Pro Asn Pro 
            260                 265                 270         


Val Leu Ala Asp Gln Gln Pro Leu Ser Lys Pro Lys Pro Val Lys Ser 
        275                 280                 285             


Pro Ser Val Thr Lys Pro Pro Ser Gly Thr Pro Leu Ser Pro Thr Gln 
    290                 295                 300                 


Leu Pro Pro Ala Gly Thr Glu Asn Arg Leu Leu Asn Leu Val Asp Gly 
305                 310                 315                 320 


Ala Tyr Gln Ala Leu Asn Leu Thr Ser Pro Asp Lys Thr Gln Glu Cys 
                325                 330                 335     


Trp Leu Cys 
            


<210>  6
<211>  349
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env ecotropic Friend Murine Leukaemia Virus


<220>
<221>  PEPTIDE
<222>  (1)..(349)

<400>  6

Met Ala Cys Ser Thr Leu Pro Lys Ser Pro Lys Asp Lys Ile Asp Pro 
1               5                   10                  15      


Arg Asp Leu Leu Ile Pro Leu Ile Leu Phe Leu Ser Leu Lys Gly Ala 
            20                  25                  30          


Arg Ser Ala Ala Pro Gly Ser Ser Pro His Gln Val Tyr Asn Ile Thr 
        35                  40                  45              


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


Asn His Pro Leu Trp Thr Trp Trp Pro Val Leu Thr Pro Asp Leu Cys 
65                  70                  75                  80  


Met Leu Ala Leu Ser Gly Pro Pro His Trp Gly Leu Glu Tyr Gln Ala 
                85                  90                  95      


Pro Tyr Ser Ser Pro Pro Gly Pro Pro Cys Cys Ser Gly Ser Ser Gly 
            100                 105                 110         


Ser Ser Ala Gly Cys Ser Arg Asp Cys Asp Glu Pro Leu Thr Ser Leu 
        115                 120                 125             


Thr Pro Arg Cys Asn Thr Ala Trp Asn Arg Leu Lys Leu Asp Gln Val 
    130                 135                 140                 


Thr His Lys Ser Ser Glu Gly Phe Tyr Val Cys Pro Gly Ser His Arg 
145                 150                 155                 160 


Pro Arg Glu Ala Lys Ser Cys Gly Gly Pro Asp Ser Phe Tyr Cys Ala 
                165                 170                 175     


Ser Trp Gly Cys Glu Thr Thr Gly Arg Val Tyr Trp Lys Pro Ser Ser 
            180                 185                 190         


Ser Trp Asp Tyr Ile Thr Val Asp Asn Asn Leu Thr Thr Ser Gln Ala 
        195                 200                 205             


Val Gln Val Cys Lys Asp Asn Lys Trp Cys Asn Pro Leu Ala Ile Gln 
    210                 215                 220                 


Phe Thr Asn Ala Gly Lys Gln Val Thr Ser Trp Thr Thr Gly His Tyr 
225                 230                 235                 240 


Trp Gly Leu Arg Leu Tyr Val Ser Gly Arg Asp Pro Gly Leu Thr Phe 
                245                 250                 255     


Gly Ile Arg Leu Arg Tyr Gln Asn Leu Gly Pro Arg Val Pro Ile Gly 
            260                 265                 270         


Pro Asn Pro Val Leu Ala Asp Gln Leu Ser Leu Pro Arg Pro Asn Pro 
        275                 280                 285             


Leu Pro Lys Pro Ala Lys Ser Pro Pro Ala Ser Asn Ser Thr Pro Thr 
    290                 295                 300                 


Leu Ile Ser Pro Ser Pro Thr Pro Thr Gln Pro Pro Pro Ala Gly Thr 
305                 310                 315                 320 


Gly Asp Arg Leu Leu Asn Leu Val Gln Gly Ala Tyr Gln Ala Leu Asn 
                325                 330                 335     


Leu Thr Asn Pro Asp Lys Thr Gln Glu Cys Trp Leu Cys 
            340                 345                 


<210>  7
<211>  340
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env ecotropic AKV Murine Leukaemia Virus


<220>
<221>  PEPTIDE
<222>  (1)..(340)

<400>  7

Met Glu Ser Thr Thr Leu Ser Lys Pro Phe Lys Asn Gln Val Asn Pro 
1               5                   10                  15      


Trp Gly Pro Leu Ile Val Leu Leu Ile Leu Gly Gly Val Asn Pro Val 
            20                  25                  30          


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


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


Leu Trp Thr Trp Trp Pro Asp Leu Thr Pro Asp Leu Cys Met Leu Ala 
65                  70                  75                  80  


Leu His Gly Pro Ser Tyr Trp Gly Leu Glu Tyr Arg Ala Pro Phe Ser 
                85                  90                  95      


Pro Pro Pro Gly Pro Pro Cys Cys Ser Gly Ser Ser Asp Ser Thr Pro 
            100                 105                 110         


Gly Cys Ser Arg Asp Cys Glu Glu Pro Leu Thr Ser Tyr Thr Pro Arg 
        115                 120                 125             


Cys Asn Thr Ala Trp Asn Arg Leu Lys Leu Ser Lys Val Thr His Ala 
    130                 135                 140                 


His Asn Gly Gly Phe Tyr Val Cys Pro Gly Pro His Arg Pro Arg Trp 
145                 150                 155                 160 


Ala Arg Ser Cys Gly Gly Pro Glu Ser Phe Tyr Cys Ala Ser Trp Gly 
                165                 170                 175     


Cys Glu Thr Thr Gly Arg Ala Ser Trp Lys Pro Ser Ser Ser Trp Asp 
            180                 185                 190         


Tyr Ile Thr Val Ser Asn Asn Leu Thr Ser Asp Gln Ala Thr Pro Val 
        195                 200                 205             


Cys Lys Gly Asn Glu Trp Cys Asn Ser Leu Thr Ile Arg Phe Thr Ser 
    210                 215                 220                 


Phe Gly Lys Gln Ala Thr Ser Trp Val Thr Gly His Trp Trp Gly Leu 
225                 230                 235                 240 


Arg Leu Tyr Val Ser Gly His Asp Pro Gly Leu Ile Phe Gly Ile Arg 
                245                 250                 255     


Leu Lys Ile Thr Asp Ser Gly Pro Arg Val Pro Ile Gly Pro Asn Pro 
            260                 265                 270         


Val Leu Ser Asp Arg Arg Pro Pro Ser Arg Pro Arg Pro Thr Arg Ser 
        275                 280                 285             


Pro Pro Pro Ser Asn Ser Thr Pro Thr Glu Thr Pro Leu Thr Leu Pro 
    290                 295                 300                 


Glu Pro Pro Pro Ala Gly Val Glu Asn Arg Leu Leu Asn Leu Val Lys 
305                 310                 315                 320 


Gly Ala Tyr Gln Ala Leu Asn Leu Thr Ser Pro Asp Lys Thr Gln Glu 
                325                 330                 335     


Cys Trp Leu Cys 
            340 


<210>  8
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env M813 Murine Leukaemia Virus


<220>
<221>  PEPTIDE
<222>  (1)..(289)

<400>  8

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


Arg Ala Pro Thr Ile Ala Leu Gly Ile Leu Leu Val Leu Gly Arg Val 
            20                  25                  30          


Ala Gln Gly Gly Ser Pro His Gln Pro Val Thr Leu Thr Trp Gln Val 
        35                  40                  45              


Leu Asp Glu Glu Leu Tyr Val Lys Trp Glu Thr Ser Gly Lys His Pro 
    50                  55                  60                  


Glu Trp Thr Trp Trp Pro Asp Leu Thr Pro Asp Leu Ser Gly Phe Ser 
65                  70                  75                  80  


Cys Asp Tyr Ser Gln Leu Asn Val Pro Asp Phe Tyr Val Cys Pro Gly 
                85                  90                  95      


His Gly Lys Ser Tyr Ser Arg Arg Val Cys Gly Gly Ala Glu Ser Ala 
            100                 105                 110         


Phe Cys Ala Lys Trp Gly Cys Glu Thr Thr Gly Asp Ala Tyr Trp Asn 
        115                 120                 125             


Pro Asn Arg Pro Asp Leu Ile Ile Val Lys Lys Gly Gln Asn Arg Thr 
    130                 135                 140                 


Ala Cys Lys Gly Asn Lys Cys Gln Gly Lys Tyr Cys Asn Pro Leu Lys 
145                 150                 155                 160 


Ile Thr Phe Thr Asp Gln Gly Lys Asn Ser Arg Glu Trp Lys Arg Gly 
                165                 170                 175     


Leu Arg Trp Gly Cys Trp Val His Leu Leu Ser Gln His Phe Ile Phe 
            180                 185                 190         


Tyr Ile Arg Leu Gln Val Thr Arg Ser Pro Val Leu Ala Ile Gly Pro 
        195                 200                 205             


Asn Pro Val Val Ala Asp Gln Lys Pro Pro Ser Arg Pro Ala Pro Val 
    210                 215                 220                 


Ile Pro Pro Val Pro Pro Gln Val Asn Pro Thr Gly Ala Thr Asp Asn 
225                 230                 235                 240 


Thr Thr Gly Thr Thr Pro Thr Thr Val Leu Ser Thr Lys Gln Pro Gln 
                245                 250                 255     


Arg Pro Gly Thr Gly Asp Arg Leu Leu Asp Leu Val Gln Gly Ala Tyr 
            260                 265                 270         


Leu Ala Leu Asn Phe Thr Asn Pro Glu Lys Thr Gln Glu Cys Trp Leu 
        275                 280                 285             


Cys 
    


<210>  9
<211>  319
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env 10A1 Murine Leukaemia Virus


<220>
<221>  PEPTIDE
<222>  (1)..(319)

<400>  9

Met Glu Gly Pro Ala Phe Ser Lys Pro Leu Lys Asp Lys Ile Asn Pro 
1               5                   10                  15      


Trp Lys Ser Leu Met Val Met Gly Val Tyr Leu Arg Val Gly Met Ala 
            20                  25                  30          


Glu Ser Pro His Gln Val Phe Asn Val Thr Trp Arg Val Thr Asn Leu 
        35                  40                  45              


Met Thr Gly Arg Thr Ala Asn Ala Thr Ser Leu Leu Gly Thr Val Gln 
    50                  55                  60                  


Asp Ala Phe Pro Arg Leu Tyr Phe Asp Leu Cys Asp Leu Val Gly Glu 
65                  70                  75                  80  


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


Tyr Pro Gly Gly Arg Lys Arg Thr Arg Thr Phe Asp Phe Tyr Val Cys 
            100                 105                 110         


Pro Gly His Thr Val Lys Ser Gly Cys Gly Gly Pro Arg Glu Gly Tyr 
        115                 120                 125             


Cys Gly Glu Trp Gly Cys Glu Thr Thr Gly Gln Ala Tyr Trp Lys Pro 
    130                 135                 140                 


Thr Ser Ser Trp Asp Leu Ile Ser Leu Lys Arg Gly Asn Thr Pro Trp 
145                 150                 155                 160 


Asp Thr Gly Cys Ser Lys Met Ala Cys Gly Pro Cys Tyr Asp Leu Ser 
                165                 170                 175     


Lys Val Ser Asn Ser Phe Gln Gly Ala Thr Arg Gly Gly Arg Cys Asn 
            180                 185                 190         


Pro Leu Val Leu Glu Phe Thr Asp Ala Gly Lys Lys Ala Asn Trp Asp 
        195                 200                 205             


Gly Pro Lys Ser Trp Gly Leu Arg Leu Tyr Arg Thr Gly Thr Asp Pro 
    210                 215                 220                 


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


Ile Pro Ile Gly Pro Asn Pro Val Ile Thr Gly Gln Leu Pro Pro Ser 
                245                 250                 255     


Arg Pro Val Gln Ile Arg Leu Pro Arg Pro Pro Gln Pro Pro Pro Thr 
            260                 265                 270         


Gly Ala Ala Ser Ile Val Pro Glu Thr Ala Pro Pro Ser Gln Gln Pro 
        275                 280                 285             


Gly Thr Gly Asp Arg Leu Leu Asn Leu Val Glu Gly Ala Tyr Gln Ala 
    290                 295                 300                 


Leu Asn Leu Thr Asn Pro Asp Lys Thr Gln Glu Cys Trp Leu Cys 
305                 310                 315                 


<210>  10
<211>  316
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Xenotropic Murine Leukaemia Virus (NZB)


<220>
<221>  PEPTIDE
<222>  (1)..(316)

<400>  10

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


Ile Asn Pro Trp Gly Pro Leu Ile Val Met Gly Ile Leu Val Arg Ala 
            20                  25                  30          


Gly Ala Ser Val Gln Arg Asp Ser Pro His Gln Ile Phe Asn Val Thr 
        35                  40                  45              


Trp Arg Val Thr Asn Leu Met Thr Gly Gln Thr Ala Asn Ala Thr Ser 
    50                  55                  60                  


Leu Leu Gly Thr Met Thr Asp Thr Phe Pro Lys Leu Tyr Phe Asp Leu 
65                  70                  75                  80  


Cys Asp Leu Val Gly Asp Tyr Trp Asp Asp Pro Glu Pro Asp Ile Gly 
                85                  90                  95      


Asp Gly Cys Arg Thr Pro Gly Gly Arg Arg Arg Thr Arg Leu Tyr Asp 
            100                 105                 110         


Phe Tyr Val Cys Pro Gly His Thr Val Pro Ile Gly Cys Gly Gly Pro 
        115                 120                 125             


Gly Glu Gly Tyr Cys Gly Lys Trp Gly Cys Glu Thr Thr Gly Gln Ala 
    130                 135                 140                 


Tyr Trp Lys Pro Ser Ser Ser Trp Asp Leu Ile Ser Leu Lys Arg Gly 
145                 150                 155                 160 


Asn Thr Pro Lys Asp Gln Gly Pro Cys Tyr Asp Ser Ser Val Ser Ser 
                165                 170                 175     


Gly Val Gln Gly Ala Thr Pro Gly Gly Arg Cys Asn Pro Leu Val Leu 
            180                 185                 190         


Glu Phe Thr Asp Ala Gly Arg Lys Ala Ser Trp Asp Ala Pro Lys Val 
        195                 200                 205             


Trp Gly Leu Arg Leu Tyr Arg Ser Thr Gly Ala Asp Pro Val Thr Arg 
    210                 215                 220                 


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


Gly Pro Asn Pro Val Ile Thr Asp Gln Leu Pro Pro Ser Gln Pro Val 
                245                 250                 255     


Gln Ile Met Leu Pro Arg Pro Pro His Pro Pro Pro Ser Gly Thr Val 
            260                 265                 270         


Ser Met Val Pro Gly Ala Pro Pro Pro Ser Gln Gln Pro Gly Thr Gly 
        275                 280                 285             


Asp Arg Leu Leu Asn Leu Val Glu Gly Ala Tyr Gln Ala Leu Asn Leu 
    290                 295                 300                 


Thr Ser Pro Asp Lys Thr Gln Glu Cys Trp Leu Cys 
305                 310                 315     


<210>  11
<211>  313
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Xenotropic Murine Leukaemia Virus (Bxv1)


<220>
<221>  PEPTIDE
<222>  (1)..(313)

<400>  11

Met Glu Gly Pro Ala Phe Ser Lys Pro Leu Lys Asp Lys Ile Asn Pro 
1               5                   10                  15      


Trp Gly Pro Leu Ile Val Ile Gly Ile Leu Val Arg Ala Gly Ala Ser 
            20                  25                  30          


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


Thr Asn Leu Met Thr Gly Gln Thr Ala Asn Ala Thr Ser Leu Leu Gly 
    50                  55                  60                  


Thr Met Thr Asp Thr Phe Pro Lys Leu Tyr Phe Asp Leu Cys Asp Leu 
65                  70                  75                  80  


Val Gly Asp His Trp Asp Asp Pro Glu Pro Asp Ile Gly Asp Gly Cys 
                85                  90                  95      


Arg Ser Pro Gly Gly Arg Lys Arg Ser Arg Leu Tyr Asp Phe Tyr Val 
            100                 105                 110         


Cys Pro Gly His Thr Val Pro Ile Gly Cys Gly Gly Pro Gly Glu Gly 
        115                 120                 125             


Tyr Cys Gly Lys Trp Gly Cys Glu Thr Thr Gly Gln Ala Tyr Trp Lys 
    130                 135                 140                 


Pro Ser Ser Ser Trp Asp Leu Ile Ser Leu Lys Arg Gly Asn Thr Pro 
145                 150                 155                 160 


Lys Asp Gln Gly Pro Cys Tyr Asp Ser Ser Val Ser Ser Gly Val Gln 
                165                 170                 175     


Gly Ala Thr Pro Gly Gly Arg Cys Asn Pro Leu Val Leu Glu Phe Thr 
            180                 185                 190         


Asp Ala Gly Lys Lys Ala Ser Trp Asp Ala Pro Lys Val Trp Gly Leu 
        195                 200                 205             


Arg Leu Tyr Arg Ser Thr Gly Ala Asp Pro Val Thr Arg Phe Ser Leu 
    210                 215                 220                 


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


Pro Val Ile Thr Glu Gln Leu Pro Pro Ser Gln Pro Val Gln Ile Met 
                245                 250                 255     


Leu Pro Arg Pro Pro His Pro Pro Pro Ser Gly Ala Ala Ser Met Val 
            260                 265                 270         


Pro Gly Ala Pro Pro Pro Ser Gln Gln Pro Gly Thr Gly Asp Arg Leu 
        275                 280                 285             


Leu Asn Leu Val Lys Gly Ala Tyr Gln Ala Leu Asn Leu Thr Ser Pro 
    290                 295                 300                 


Asp Arg Thr Gln Glu Cys Trp Leu Cys 
305                 310             


<210>  12
<211>  314
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env XMRV (new Human Murine Leukaemia Virus-like)


<220>
<221>  PEPTIDE
<222>  (1)..(314)

<400>  12

Met Glu Ser Pro Ala Phe Ser Lys Pro Leu Lys Asp Lys Ile Asn Pro 
1               5                   10                  15      


Trp Gly Pro Leu Ile Ile Met Gly Ile Leu Val Arg Ala Gly Ala Ser 
            20                  25                  30          


Val Gln Arg Asp Ser Pro His Gln Val Phe Asn Val Thr Trp Lys Ile 
        35                  40                  45              


Thr Asn Leu Met Thr Gly Gln Thr Ala Asn Ala Thr Ser Leu Leu Gly 
    50                  55                  60                  


Thr Met Thr Asp Thr Phe Pro Lys Leu Tyr Phe Asp Leu Cys Asp Leu 
65                  70                  75                  80  


Val Gly Asp Asn Trp Asp Asp Pro Glu Pro Asp Ile Gly Asp Gly Cys 
                85                  90                  95      


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


Cys Pro Gly His Thr Val Leu Thr Gly Cys Gly Gly Pro Arg Glu Gly 
        115                 120                 125             


Tyr Cys Gly Lys Trp Gly Cys Glu Thr Thr Gly Gln Ala Tyr Trp Lys 
    130                 135                 140                 


Pro Ser Ser Ser Trp Asp Leu Ile Ser Leu Lys Arg Gly Asn Thr Pro 
145                 150                 155                 160 


Lys Gly Gln Gly Pro Cys Phe Asp Ser Ser Val Gly Ser Gly Ser Ile 
                165                 170                 175     


Gln Gly Ala Thr Pro Gly Gly Arg Cys Asn Pro Leu Val Leu Glu Phe 
            180                 185                 190         


Thr Asp Ala Gly Lys Arg Ala Ser Trp Asp Ala Pro Lys Thr Trp Gly 
        195                 200                 205             


Leu Arg Leu Tyr Arg Ser Thr Gly Ala Asp Pro Val Thr Leu Phe Ser 
    210                 215                 220                 


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


Asn Pro Val Ile Thr Glu Gln Leu Pro Pro Ser Gln Pro Val Gln Ile 
                245                 250                 255     


Met Leu Pro Arg Pro Pro Arg Pro Pro Pro Ser Gly Ala Ala Ser Met 
            260                 265                 270         


Val Pro Gly Ala Pro Pro Pro Ser Gln Gln Pro Gly Thr Gly Asp Arg 
        275                 280                 285             


Leu Leu Asn Leu Val Glu Gly Ala Tyr Gln Ala Leu Asn Leu Thr Ser 
    290                 295                 300                 


Pro Asp Lys Thr Gln Glu Cys Trp Leu Cys 
305                 310                 


<210>  13
<211>  310
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env MCF polytropic Murine Leukaemia Virus (MX27)


<220>
<221>  PEPTIDE
<222>  (1)..(310)

<400>  13

Met Glu Gly Pro Ala Phe Ser Lys Pro Leu Lys Asp Lys Ile Asn Pro 
1               5                   10                  15      


Trp Gly Pro Leu Ile Val Leu Gly Ile Leu Ile Arg Ala Gly Val Ser 
            20                  25                  30          


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


Thr Asn Leu Met Thr Gly Gln Thr Ala Asn Ala Thr Ser Leu Leu Gly 
    50                  55                  60                  


Thr Met Thr Asp Ala Phe Pro Lys Leu Tyr Phe Asp Leu Cys Asp Leu 
65                  70                  75                  80  


Ile Gly Asp Asp Trp Asp Glu Thr Gly Leu Gly Cys Arg Thr Pro Gly 
                85                  90                  95      


Gly Arg Lys Arg Ala Arg Thr Phe Asp Phe Tyr Val Cys Pro Gly His 
            100                 105                 110         


Thr Val Pro Thr Gly Cys Gly Gly Pro Arg Glu Gly Tyr Cys Gly Lys 
        115                 120                 125             


Trp Gly Cys Glu Thr Thr Gly Gln Ala Tyr Trp Lys Pro Ser Ser Ser 
    130                 135                 140                 


Trp Asp Leu Ile Ser Leu Lys Arg Gly Asn Thr Pro Arg Asn Gln Gly 
145                 150                 155                 160 


Pro Cys Tyr Asp Ser Ser Ala Val Ser Ser Asp Ile Lys Gly Ala Thr 
                165                 170                 175     


Pro Gly Gly Arg Cys Asn Pro Leu Val Leu Glu Phe Thr Asp Ala Gly 
            180                 185                 190         


Lys Lys Ala Ser Trp Asp Gly Pro Lys Val Trp Gly Leu Arg Leu Tyr 
        195                 200                 205             


Arg Ser Thr Gly Thr Asp Pro Val Thr Arg Phe Ser Leu Thr Arg Gln 
    210                 215                 220                 


Val Leu Asn Ile Gly Pro Arg Val Pro Ile Gly Pro Asn Pro Val Ile 
225                 230                 235                 240 


Thr Asp Gln Leu Pro Pro Ser Arg Pro Val Gln Ile Met Leu Pro Arg 
                245                 250                 255     


Pro Pro Gln Pro Pro Pro Pro Gly Ala Ala Ser Ile Val Pro Glu Thr 
            260                 265                 270         


Ala Pro Pro Ser Gln Gln Pro Gly Thr Gly Asp Arg Leu Leu Asn Leu 
        275                 280                 285             


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


Gln Glu Cys Trp Leu Cys 
305                 310 


<210>  14
<211>  301
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env MCF polytropic Murine Leukaemia Virus (MX33)


<220>
<221>  PEPTIDE
<222>  (1)..(301)

<400>  14

Met Glu Gly Pro Ala Phe Ser Lys Pro Leu Lys Asp Lys Ile Asn Pro 
1               5                   10                  15      


Trp Ala Pro Leu Ile Val Leu Gly Ile Leu Ile Arg Ala Gly Val Ser 
            20                  25                  30          


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


Thr Asn Leu Met Thr Gly Gln Thr Ala Asn Ala Thr Ser Leu Leu Gly 
    50                  55                  60                  


Thr Met Thr Asp Ala Phe Pro Lys Leu Tyr Phe Asp Leu Cys Asp Leu 
65                  70                  75                  80  


Ile Gly Asp Asp Trp Asp Glu Thr Gly Leu Gly Cys Arg Thr Pro Gly 
                85                  90                  95      


Gly Arg Lys Arg Ala Arg Thr Phe Asp Phe Tyr Val Cys Pro Gly His 
            100                 105                 110         


Thr Val Pro Thr Gly Cys Gly Gly Pro Arg Glu Gly Tyr Cys Gly Lys 
        115                 120                 125             


Trp Gly Cys Glu Thr Thr Gly Gln Ala Tyr Trp Lys Pro Ser Ser Ser 
    130                 135                 140                 


Trp Asp Leu Ile Ser Leu Lys Arg Gly Asn Thr Pro Arg Asn Gln Gly 
145                 150                 155                 160 


Pro Cys Tyr Asp Ser Ser Ala Val Ser Ser Gly Ile Gln Gly Ala Thr 
                165                 170                 175     


Pro Gly Gly Arg Cys Asn Pro Leu Val Leu Glu Phe Thr Asp Ala Gly 
            180                 185                 190         


Lys Lys Ala Ser Trp Asp Gly Pro Lys Val Trp Gly Leu Arg Leu Tyr 
        195                 200                 205             


Arg Ser Thr Gly Thr Asp Pro Val Thr Arg Phe Ser Leu Thr Arg Gln 
    210                 215                 220                 


Val Leu Asn Ile Gly Pro Arg Ile Pro Ile Gly Pro Asn Pro Val Ile 
225                 230                 235                 240 


Thr Asp Gln Leu Pro Pro Ser Arg Pro Val Gln Ile Met Leu Pro Arg 
                245                 250                 255     


Pro Pro Gln Pro Ser Pro Thr Gly Ala Ala Ser Ile Gln Pro Gly Thr 
            260                 265                 270         


Gly Asp Arg Leu Leu Asn Leu Val Asp Gly Ala Tyr Gln Ala Leu Asn 
        275                 280                 285             


Leu Thr Ser Pro Asp Lys Thr Gln Glu Cys Trp Leu Cys 
    290                 295                 300     


<210>  15
<211>  310
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env MCF1233 polytropic Murine Leukaemia Virus


<220>
<221>  PEPTIDE
<222>  (1)..(310)

<400>  15

Met Glu Gly Pro Ala Phe Ser Lys Pro Leu Lys Asp Lys Ile Asn Pro 
1               5                   10                  15      


Trp Gly Pro Leu Ile Ile Leu Gly Ile Leu Ile Arg Ala Gly Val Ser 
            20                  25                  30          


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


Thr Asn Leu Met Thr Gly Gln Thr Ala Asn Ala Thr Ser Leu Leu Gly 
    50                  55                  60                  


Thr Met Thr Asp Ala Phe Pro Lys Leu Tyr Phe Asp Leu Cys Asp Leu 
65                  70                  75                  80  


Ile Gly Asp Asp Trp Asp Glu Thr Gly Leu Gly Cys Arg Thr Pro Gly 
                85                  90                  95      


Gly Arg Lys Arg Ala Arg Thr Phe Asp Phe Tyr Val Cys Pro Gly His 
            100                 105                 110         


Thr Val Pro Thr Gly Cys Gly Gly Pro Arg Glu Gly Tyr Cys Gly Lys 
        115                 120                 125             


Trp Gly Cys Glu Thr Thr Gly Gln Ala Tyr Trp Lys Pro Ser Ser Ser 
    130                 135                 140                 


Trp Asp Leu Ile Ser Leu Lys Arg Gly Asn Thr Pro Gln Asn Gln Gly 
145                 150                 155                 160 


Pro Cys Tyr Asp Ser Ser Ala Val Ser Ser Asp Ile Lys Gly Ala Thr 
                165                 170                 175     


Pro Gly Gly Arg Cys Asn Pro Leu Val Leu Glu Phe Thr Asp Ala Gly 
            180                 185                 190         


Lys Lys Ala Ser Trp Asp Gly Pro Lys Val Trp Gly Leu Arg Leu Tyr 
        195                 200                 205             


Arg Pro Thr Gly Thr Asp Pro Val Thr Arg Phe Ser Leu Thr Arg Arg 
    210                 215                 220                 


Val Leu Asn Ile Gly Pro Arg Val Pro Ile Gly Pro Asn Pro Val Ile 
225                 230                 235                 240 


Ala Asp Gln Leu Pro Pro Ser Arg Pro Val Gln Ile Met Leu Pro Arg 
                245                 250                 255     


Pro Pro Gln Pro Pro Pro Pro Gly Ala Ser Ser Ile Val Pro Glu Thr 
            260                 265                 270         


Ala Pro Pro Ser Gln Gln Pro Gly Thr Gly Asp Arg Leu Leu Asn Leu 
        275                 280                 285             


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


Gln Glu Cys Trp Leu Cys 
305                 310 


<210>  16
<211>  348
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Mus dunni endogenous virus


<220>
<221>  PEPTIDE
<222>  (1)..(348)

<400>  16

Met Lys Lys Pro Thr Lys Thr Thr Gly Leu Trp Lys Pro Leu Ile Thr 
1               5                   10                  15      


Leu Leu Ser Phe Ala Cys Val Ala Gly Ala Pro Ser Ile Thr Leu Asp 
            20                  25                  30          


Leu Gly Asn His Asn Pro His Ala Pro Val Gln Gln Ser Trp Glu Val 
        35                  40                  45              


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


Pro Trp Thr Trp Trp Pro Asp Leu Thr Pro Asp Ile Cys Lys Leu Ala 
65                  70                  75                  80  


Ala Gly Ser Pro Asn Trp Asp Leu Pro Asp His Thr Asp Leu Asn Asn 
                85                  90                  95      


Pro Pro Ser Glu Gln Lys Cys Val Pro Asn Gly Val Gly Ser Thr Thr 
            100                 105                 110         


Gly Cys Ser Gly Gln Phe Tyr Arg Ala Asn Leu Arg Ala Ala Gln Phe 
        115                 120                 125             


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


Arg Gly Ala Ser Asp Tyr Phe Cys Gly Lys Trp Thr Cys Glu Thr Thr 
145                 150                 155                 160 


Gly Glu Ala Tyr Trp Lys Pro Ser Ala Asp Trp Asp Leu Ile Thr Val 
                165                 170                 175     


Lys Arg Gly Ser Gly Tyr Asp Lys Pro Asn Gln Gly Glu Arg Asn Pro 
            180                 185                 190         


Tyr Lys Tyr Leu Asp Ser Gly Cys Ala Leu Lys Asn Tyr Ser Pro Pro 
        195                 200                 205             


Gly Pro Cys Lys Gly Lys Tyr Cys Asn Pro Leu Leu Ile Lys Phe Thr 
    210                 215                 220                 


Glu Lys Gly Lys Gln Ala Arg Leu Ser Trp Leu Lys Gly Asn Arg Trp 
225                 230                 235                 240 


Gly Trp Arg Val Tyr Ile Pro Ile Arg Asp Pro Gly Phe Ile Phe Thr 
                245                 250                 255     


Ile Arg Leu Thr Val Arg Asp Leu Ala Val Thr Ser Ile Gly Pro Asn 
            260                 265                 270         


Lys Val Leu Thr Glu Gln Ala Pro Pro Val Ala Pro Ala Pro Pro Arg 
        275                 280                 285             


Val Pro Ala Val Pro Ala Pro Pro Thr Ser Arg Pro Tyr Thr Val Gly 
    290                 295                 300                 


Pro Ser Leu Glu Thr Thr Leu Ala Ser Pro Pro Leu Leu Asp Thr Glu 
305                 310                 315                 320 


Asn Arg Leu Val Ser Leu Val Gln Gly Ala Phe Leu Val Leu Asn Arg 
                325                 330                 335     


Thr Asn Pro Asn Met Thr Gln Ser Cys Trp Leu Cys 
            340                 345             


<210>  17
<211>  315
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Feline Leukaemia Virus A


<220>
<221>  PEPTIDE
<222>  (1)..(315)

<400>  17

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


Trp Asn Leu Ala Phe Leu Val Gly Ile Leu Phe Thr Ile Asp Ile Gly 
            20                  25                  30          


Met Ala Asn Pro Ser Pro His Gln Ile Tyr Asn Val Thr Trp Val Ile 
        35                  40                  45              


Thr Asn Val Gln Thr Asn Thr Gln Ala Asn Ala Thr Ser Met Leu Gly 
    50                  55                  60                  


Thr Leu Thr Asp Ala Tyr Pro Thr Leu His Val Asp Leu Cys Asp Leu 
65                  70                  75                  80  


Val Gly Asp Thr Trp Glu Pro Ile Val Leu Asn Pro Thr Asn Val Lys 
                85                  90                  95      


His Gly Ala Arg Tyr Ser Ser Ser Lys Tyr Gly Cys Lys Thr Thr Asp 
            100                 105                 110         


Arg Lys Lys Gln Gln Gln Thr Tyr Pro Phe Tyr Val Cys Pro Gly His 
        115                 120                 125             


Ala Pro Ser Leu Gly Pro Lys Gly Thr His Cys Gly Gly Ala Gln Asp 
    130                 135                 140                 


Gly Phe Cys Ala Ala Trp Gly Cys Glu Thr Thr Gly Glu Ala Trp Trp 
145                 150                 155                 160 


Lys Pro Thr Ser Ser Trp Asp Tyr Ile Thr Val Lys Arg Gly Ser Ser 
                165                 170                 175     


Gln Asp Asn Ser Cys Glu Gly Lys Cys Asn Pro Leu Val Leu Gln Phe 
            180                 185                 190         


Thr Gln Lys Gly Arg Gln Ala Ser Trp Asp Gly Pro Lys Met Trp Gly 
        195                 200                 205             


Leu Arg Leu Tyr Arg Thr Gly Tyr Asp Pro Ile Ala Leu Phe Thr Val 
    210                 215                 220                 


Ser Arg Gln Val Ser Thr Ile Thr Pro Pro Gln Ala Met Gly Pro Asn 
225                 230                 235                 240 


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


Ser Lys Val Ala Thr Gln Arg Pro Gln Thr Asn Glu Ser Ala Pro Arg 
            260                 265                 270         


Ser Val Ala Pro Thr Thr Met Gly Pro Lys Arg Ile Gly Thr Gly Asp 
        275                 280                 285             


Arg Leu Ile Asn Leu Val Gln Gly Thr Tyr Leu Ala Leu Asn Ala Thr 
    290                 295                 300                 


Asp Pro Asn Lys Thr Lys Asp Cys Trp Leu Cys 
305                 310                 315 


<210>  18
<211>  335
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Feline Leukaemia Virus B


<220>
<221>  PEPTIDE
<222>  (1)..(335)

<400>  18

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


Trp Asn Leu Val Phe Leu Val Gly Ile Leu Phe Thr Ile Asp Ile Gly 
            20                  25                  30          


Met Ala Asn Pro Ser Pro His Gln Val Tyr Asn Val Thr Trp Thr Ile 
        35                  40                  45              


Thr Asn Leu Val Thr Gly Thr Lys Ala Asn Ala Thr Ser Met Leu Gly 
    50                  55                  60                  


Thr Leu Thr Asp Ala Phe Pro Thr Met Tyr Phe Asp Leu Cys Asp Ile 
65                  70                  75                  80  


Ile Gly Asn Thr Trp Asn Pro Ser Asp Gln Glu Pro Phe Pro Gly Tyr 
                85                  90                  95      


Gly Cys Asp Gln Pro Met Arg Arg Trp Gln Gln Arg Asn Thr Pro Phe 
            100                 105                 110         


Tyr Val Cys Pro Gly His Ala Asn Arg Lys Gln Cys Gly Gly Pro Gln 
        115                 120                 125             


Asp Gly Phe Cys Ala Val Trp Gly Cys Glu Thr Thr Gly Glu Thr Tyr 
    130                 135                 140                 


Trp Arg Pro Thr Ser Ser Trp Asp Tyr Ile Thr Val Lys Lys Gly Val 
145                 150                 155                 160 


Thr Gln Gly Ile Tyr Gln Cys Ser Gly Gly Gly Trp Cys Gly Pro Cys 
                165                 170                 175     


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


Arg Cys Asn Pro Leu Ile Leu Gln Phe Thr Gln Lys Gly Arg Gln Thr 
        195                 200                 205             


Ser Trp Asp Gly Pro Lys Ser Trp Gly Leu Arg Leu Tyr Arg Ser Gly 
    210                 215                 220                 


Tyr Asp Pro Ile Ala Leu Phe Ser Val Ser Arg Gln Val Met Thr Ile 
225                 230                 235                 240 


Thr Pro Pro Gln Ala Met Gly Pro Asn Leu Val Leu Pro Asp Gln Lys 
                245                 250                 255     


Pro Pro Ser Arg Gln Ser Gln Ile Glu Ser Arg Val Thr Pro His His 
            260                 265                 270         


Ser Gln Gly Asn Gly Gly Thr Pro Gly Ile Thr Leu Val Asn Ala Ser 
        275                 280                 285             


Ile Ala Pro Leu Ser Thr Pro Val Thr Pro Ala Ser Pro Lys Arg Ile 
    290                 295                 300                 


Gly Thr Gly Asp Arg Leu Ile Asn Leu Val Gln Gly Thr Tyr Leu Ala 
305                 310                 315                 320 


Leu Asn Ala Thr Asp Pro Asn Arg Thr Lys Asp Cys Trp Leu Cys 
                325                 330                 335 


<210>  19
<211>  312
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Feline Leukaemia Virus C


<220>
<221>  PEPTIDE
<222>  (1)..(312)

<400>  19

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


Trp Asn Leu Val Phe Leu Val Gly Ile Leu Phe Gln Ile Asp Met Gly 
            20                  25                  30          


Met Ala Asn Pro Ser Pro His Gln Val Tyr Asn Val Thr Trp Val Ile 
        35                  40                  45              


Thr Asn Val Gln Thr Asn Ser Arg Ala Asn Ala Thr Ser Met Leu Gly 
    50                  55                  60                  


Thr Leu Thr Asp Ala Tyr Pro Thr Leu Tyr Val Asp Leu Cys Asp Leu 
65                  70                  75                  80  


Val Gly Asp Thr Trp Glu Pro Ile Ala Pro Asp Pro Arg Ser Trp Ala 
                85                  90                  95      


Arg Tyr Ser Ser Ser Thr His Gly Cys Lys Thr Thr Asp Arg Lys Lys 
            100                 105                 110         


Gln Gln Gln Thr Tyr Pro Phe Tyr Val Cys Pro Gly His Ala Pro Ser 
        115                 120                 125             


Met Gly Pro Lys Gly Thr Tyr Cys Gly Gly Ala Gln Asp Gly Phe Cys 
    130                 135                 140                 


Ala Ala Trp Gly Cys Glu Thr Thr Gly Glu Ala Trp Trp Lys Pro Thr 
145                 150                 155                 160 


Ser Ser Trp Asp Tyr Ile Thr Val Lys Arg Gly Ser Asn Gln Asp Asn 
                165                 170                 175     


Ser Cys Lys Gly Lys Cys Asn Pro Leu Val Leu Gln Phe Thr Gln Lys 
            180                 185                 190         


Gly Arg Gln Ala Ser Trp Asp Arg Pro Lys Met Trp Gly Leu Arg Leu 
        195                 200                 205             


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


Val Met Thr Ile Thr Pro Pro Gln Ala Met Gly Pro Asn Leu Val Leu 
225                 230                 235                 240 


Pro Asp Gln Lys Pro Pro Ser Arg Gln Ser Gln Thr Lys Ser Lys Val 
                245                 250                 255     


Thr Thr Gln Arg Pro Gln Ile Thr Ser Ser Thr Pro Arg Ser Val Ala 
            260                 265                 270         


Ser Ala Thr Met Gly Pro Lys Arg Ile Gly Thr Gly Asp Arg Leu Ile 
        275                 280                 285             


Asn Leu Val Gln Gly Thr Tyr Leu Ala Leu Asn Ala Thr Asp Pro Asn 
    290                 295                 300                 


Lys Thr Lys Asp Cys Trp Leu Cys 
305                 310         


<210>  20
<211>  331
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Koala Retrovirus


<220>
<221>  PEPTIDE
<222>  (1)..(321)

<400>  20

Met Leu Leu Ile Ser Asn Pro Arg His Leu Gly His Pro Met Ser Pro 
1               5                   10                  15      


Gly Asn Trp Lys Arg Leu Ile Ile Leu Leu Ser Cys Val Phe Gly Gly 
            20                  25                  30          


Ala Glu Met Asn Gln Gln His Asn Asn Pro His Gln Pro Met Thr Leu 
        35                  40                  45              


Thr Trp Gln Val Leu Ser Gln Thr Gly Ser Val Val Trp Glu Lys Lys 
    50                  55                  60                  


Ala Val Glu Pro Pro Trp Thr Trp Trp Pro Ser Leu Glu Pro Asp Val 
65                  70                  75                  80  


Cys Ala Leu Val Ala Gly Leu Glu Ser Trp Asp Ile Pro Glu Leu Thr 
                85                  90                  95      


Ala Ser Ala Ser Gln Gln Ala Arg Pro Pro Asp Ser Asn Tyr Glu His 
            100                 105                 110         


Ala Tyr Asn Gln Ile Thr Trp Gly Thr Leu Gly Cys Ser Tyr Pro Arg 
        115                 120                 125             


Ala Arg Thr Arg Ile Ala Arg Ser Gln Phe Tyr Val Cys Pro Arg Asp 
    130                 135                 140                 


Gly Arg Ser Leu Ser Glu Ala Arg Arg Cys Gly Gly Leu Glu Ser Leu 
145                 150                 155                 160 


Tyr Cys Lys Glu Trp Gly Cys Glu Thr Ala Gly Thr Ala Tyr Trp Gln 
                165                 170                 175     


Pro Arg Ser Ser Trp Asp Leu Ile Thr Val Gly Gln Gly His Pro Thr 
            180                 185                 190         


Gly Thr Cys Glu Arg Thr Gly Trp Cys Asn Pro Leu Lys Ile Glu Phe 
        195                 200                 205             


Thr Glu Pro Gly Lys Arg Phe Arg Asn Trp Leu Gln Gly Arg Thr Trp 
    210                 215                 220                 


Gly Leu Arg Phe Tyr Val Thr Gly His Pro Gly Val Gln Leu Thr Ile 
225                 230                 235                 240 


Arg Leu Val Ile Thr Ser Pro Pro Pro Val Val Val Gly Pro Asp Pro 
                245                 250                 255     


Val Leu Ala Glu Gln Gly Pro Pro Arg Lys Ile Pro Phe Leu Pro Arg 
            260                 265                 270         


Val Pro Val Pro Thr Leu Ser Pro Pro Ala Ser Pro Ile Pro Thr Val 
        275                 280                 285             


Gln Ala Ser Pro Pro Ala Pro Ser Thr Pro Ser Pro Thr Thr Gly Asp 
    290                 295                 300                 


Arg Leu Phe Gly Leu Val Gln Gly Ala Phe Leu Ala Leu Asn Ala Thr 
305                 310                 315                 320 


Asn Pro Glu Ala Thr Glu Ser Cys Trp Leu Cys 
                325                 330     


<210>  21
<211>  329
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Porcine Endogeneous Retrovirus-A


<220>
<221>  PEPTIDE
<222>  (1)..(329)

<400>  21

Met His Pro Thr Leu Ser Arg Arg His Leu Pro Ile Arg Gly Gly Lys 
1               5                   10                  15      


Pro Lys Arg Leu Lys Ile Pro Leu Ser Phe Ala Ser Ile Ala Trp Phe 
            20                  25                  30          


Leu Thr Leu Ser Ile Thr Pro Gln Val Asn Gly Lys Arg Leu Val Asp 
        35                  40                  45              


Ser Pro Asn Ser His Lys Pro Leu Ser Leu Thr Trp Leu Leu Thr Asp 
    50                  55                  60                  


Ser Gly Thr Gly Ile Asn Ile Asn Ser Thr Gln Gly Glu Ala Pro Leu 
65                  70                  75                  80  


Gly Thr Trp Trp Pro Glu Leu Tyr Val Cys Leu Arg Ser Val Ile Pro 
                85                  90                  95      


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


Phe Tyr Val Cys Pro Gly Pro Pro Asn Asn Glu Glu Tyr Cys Gly Asn 
        115                 120                 125             


Pro Gln Asp Phe Phe Cys Lys Gln Trp Ser Cys Ile Thr Ser Asn Asp 
    130                 135                 140                 


Gly Asn Trp Lys Trp Pro Val Ser Gln Gln Asp Arg Val Ser Tyr Ser 
145                 150                 155                 160 


Phe Val Asn Asn Pro Thr Ser Tyr Asn Gln Phe Asn Tyr Gly His Gly 
                165                 170                 175     


Arg Trp Lys Asp Trp Gln Gln Arg Val Gln Lys Asp Val Arg Asn Lys 
            180                 185                 190         


Gln Ile Ser Cys His Ser Leu Asp Leu Asp Tyr Leu Lys Ile Ser Phe 
        195                 200                 205             


Thr Glu Lys Gly Lys Gln Glu Asn Ile Gln Lys Trp Val Asn Gly Ile 
    210                 215                 220                 


Ser Trp Gly Ile Val Tyr Tyr Gly Gly Ser Gly Arg Lys Lys Gly Ser 
225                 230                 235                 240 


Val Leu Thr Ile Arg Leu Arg Ile Glu Thr Gln Met Glu Pro Pro Val 
                245                 250                 255     


Ala Ile Gly Pro Asn Lys Gly Leu Ala Glu Gln Gly Pro Pro Ile Gln 
            260                 265                 270         


Glu Gln Arg Pro Ser Pro Asn Pro Ser Asp Tyr Asn Thr Thr Ser Gly 
        275                 280                 285             


Ser Val Pro Thr Glu Pro Asn Ile Thr Ile Lys Thr Gly Ala Lys Leu 
    290                 295                 300                 


Phe Ser Leu Ile Gln Gly Ala Phe Gln Ala Leu Asn Ser Thr Thr Pro 
305                 310                 315                 320 


Glu Ala Thr Ser Ser Cys Trp Leu Cys 
                325                 


<210>  22
<211>  326
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Porcine Endogeneous Retrovirus-B


<220>
<221>  PEPTIDE
<222>  (1)..(326)

<400>  22

Met His Pro Thr Leu Ser Trp Arg His Leu Pro Thr Arg Gly Gly Glu 
1               5                   10                  15      


Pro Lys Arg Leu Arg Ile Pro Leu Ser Phe Ala Ser Ile Ala Trp Phe 
            20                  25                  30          


Leu Thr Leu Thr Ile Thr Pro Gln Ala Ser Ser Lys Arg Leu Ile Asp 
        35                  40                  45              


Ser Ser Asn Pro His Arg Pro Leu Ser Leu Thr Trp Leu Ile Ile Asp 
    50                  55                  60                  


Pro Asp Thr Gly Val Thr Val Asn Ser Thr Arg Gly Val Ala Pro Arg 
65                  70                  75                  80  


Gly Thr Trp Trp Pro Glu Leu His Phe Cys Leu Arg Leu Ile Asn Pro 
                85                  90                  95      


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


Cys Cys Pro Gly Thr Glu Lys Glu Lys Tyr Cys Gly Gly Ser Gly Glu 
        115                 120                 125             


Ser Phe Cys Arg Arg Trp Ser Cys Val Thr Ser Asn Asp Gly Asp Trp 
    130                 135                 140                 


Lys Trp Pro Ile Ser Leu Gln Asp Arg Val Lys Phe Ser Phe Val Asn 
145                 150                 155                 160 


Ser Gly Pro Gly Lys Tyr Lys Val Met Lys Leu Tyr Lys Asp Lys Ser 
                165                 170                 175     


Cys Ser Pro Ser Asp Leu Asp Tyr Leu Lys Ile Ser Phe Thr Glu Lys 
            180                 185                 190         


Gly Lys Gln Glu Asn Ile Gln Lys Trp Ile Asn Gly Met Ser Trp Gly 
        195                 200                 205             


Ile Val Phe Tyr Lys Tyr Gly Gly Gly Ala Gly Ser Thr Leu Thr Ile 
    210                 215                 220                 


Arg Leu Arg Ile Glu Thr Gly Thr Glu Pro Pro Val Ala Val Gly Pro 
225                 230                 235                 240 


Asp Lys Val Leu Ala Glu Gln Gly Pro Pro Ala Leu Glu Pro Pro His 
                245                 250                 255     


Asn Leu Pro Val Pro Gln Leu Thr Ser Leu Arg Pro Asp Ile Thr Gln 
            260                 265                 270         


Pro Pro Ser Asn Gly Thr Thr Gly Leu Ile Pro Thr Asn Thr Pro Arg 
        275                 280                 285             


Asn Ser Pro Gly Val Pro Val Lys Thr Gly Gln Arg Leu Phe Ser Leu 
    290                 295                 300                 


Ile Gln Gly Ala Phe Gln Ala Ile Asn Ser Thr Asp Pro Asp Ala Thr 
305                 310                 315                 320 


Ser Ser Cys Trp Leu Cys 
                325     


<210>  23
<211>  305
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Human Endogeneous Retrovirus-T


<220>
<221>  PEPTIDE
<222>  (1)..(305)

<400>  23

Met Gly Pro Glu Ala Trp Val Arg Pro Leu Lys Thr Ala Pro Lys Pro 
1               5                   10                  15      


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


Leu Pro Val Met Ser Ser Glu Pro Ser Tyr Ser Phe Leu Leu Thr Ser 
        35                  40                  45              


Phe Thr Thr Gly Arg Val Phe Ala Asn Thr Thr Trp Arg Ala Gly Thr 
    50                  55                  60                  


Ser Lys Glu Val Ser Phe Ala Val Asp Leu Cys Val Leu Phe Pro Glu 
65                  70                  75                  80  


Pro Ala Arg Thr His Glu Glu Gln His Asn Leu Pro Val Ile Gly Ala 
                85                  90                  95      


Gly Ser Val Asp Leu Ala Ala Gly Phe Gly His Ser Gly Ser Gln Thr 
            100                 105                 110         


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


Phe Tyr Leu Cys Pro Gly Asn His Pro Asp Ala Ser Cys Arg Asp Thr 
    130                 135                 140                 


Tyr Gln Phe Phe Cys Pro Asp Trp Thr Cys Val Thr Leu Ala Thr Tyr 
145                 150                 155                 160 


Ser Gly Gly Ser Thr Arg Ser Ser Thr Leu Ser Ile Ser Arg Val Pro 
                165                 170                 175     


His Pro Lys Leu Cys Thr Arg Lys Asn Cys Asn Pro Leu Thr Ile Thr 
            180                 185                 190         


Val His Asp Pro Asn Ala Ala Gln Trp Tyr Tyr Gly Met Ser Trp Gly 
        195                 200                 205             


Leu Arg Leu Tyr Ile Pro Gly Phe Asp Val Gly Thr Met Phe Thr Ile 
    210                 215                 220                 


Gln Lys Lys Ile Leu Val Ser Trp Ser Ser Pro Lys Pro Ile Gly Pro 
225                 230                 235                 240 


Leu Thr Asp Leu Gly Asp Pro Ile Phe Gln Lys His Pro Asp Lys Val 
                245                 250                 255     


Asp Leu Thr Val Pro Leu Pro Phe Leu Val Pro Arg Pro Gln Leu Gln 
            260                 265                 270         


Gln Gln His Leu Gln Pro Ser Leu Met Ser Ile Leu Gly Gly Val His 
        275                 280                 285             


His Leu Leu Asn Leu Thr Gln Pro Lys Leu Ala Gln Asp Cys Trp Leu 
    290                 295                 300                 


Cys 
305 


<210>  24
<211>  189
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Human Endogeneous Retrovirus-W


<220>
<221>  PEPTIDE
<222>  (1)..(189)

<400>  24

Met Ala Leu Pro Tyr His Ile Phe Leu Phe Thr Val Val Ser Pro Ser 
1               5                   10                  15      


Phe Thr Leu Thr Ala Pro Pro Pro Cys Arg Cys Met Thr Ser Ser Ser 
            20                  25                  30          


Pro Tyr Gln Glu Phe Leu Trp Arg Met Gln Arg Pro Gly Asn Ile Asp 
        35                  40                  45              


Ala Pro Ser Tyr Arg Ser Leu Cys Lys Gly Thr Pro Thr Phe Thr Ala 
    50                  55                  60                  


His Thr His Met Pro Arg Asn Cys Tyr His Ser Ala Thr Leu Cys Met 
65                  70                  75                  80  


His Ala Asn Thr His Tyr Trp Thr Gly Lys Met Ile Asn Pro Ser Cys 
                85                  90                  95      


Pro Gly Gly Leu Gly Val Thr Val Cys Trp Thr Tyr Phe Thr Gln Thr 
            100                 105                 110         


Gly Met Ser Asp Gly Gly Gly Val Gln Asp Gln Ala Arg Glu Lys His 
        115                 120                 125             


Val Lys Glu Val Ile Ser Gln Leu Thr Arg Val His Gly Thr Ser Ser 
    130                 135                 140                 


Pro Tyr Lys Gly Leu Asp Leu Ser Lys Leu His Glu Thr Leu Arg Thr 
145                 150                 155                 160 


His Thr Arg Leu Val Ser Leu Phe Asn Thr Thr Leu Thr Gly Leu His 
                165                 170                 175     


Glu Val Ser Ala Gln Asn Pro Thr Asn Cys Trp Ile Cys 
            180                 185                 


<210>  26
<211>  283
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Human Endogeneous Retrovirus-F


<220>
<221>  PEPTIDE
<222>  (1)..(283)

<400>  26

Met Asn Ser Pro Cys Asp Arg Leu Gln Gln Phe Ile Gln Val Leu Leu 
1               5                   10                  15      


Glu Glu Ser Trp Ser Phe Pro Ser Phe Ala Asn Thr Leu His Trp Pro 
            20                  25                  30          


Glu Asn Leu Leu Ser Tyr Ile Asp Glu Leu Val Trp Gln Gly Ser Leu 
        35                  40                  45              


Gln Asn Phe His Gln His Glu Val Arg Phe Asp Lys Pro Pro Leu Arg 
    50                  55                  60                  


Leu Pro Leu Thr Gly Phe Ser Ser Leu Thr Glu Asn Trp Ser Ser Arg 
65                  70                  75                  80  


Gln Ala Val Ser Ser Arg Leu Val Ala Thr Ala Ala Ser Pro Pro Ala 
                85                  90                  95      


Gly Cys Gln Ala Pro Ile Ala Phe Leu Gly Leu Lys Phe Ser Ser Leu 
            100                 105                 110         


Gly Pro Ala Arg Lys Asn Pro Ala Leu Cys Phe Leu Tyr Asp Gln Ser 
        115                 120                 125             


Asn Ser Lys Cys Asn Thr Ser Trp Val Lys Glu Asn Val Gly Cys Pro 
    130                 135                 140                 


Trp His Trp Cys Asn Ile His Glu Ala Leu Ile Arg Thr Glu Lys Gly 
145                 150                 155                 160 


Ser Asp Pro Met Phe Tyr Val Asn Thr Ser Thr Gly Gly Arg Asp Gly 
                165                 170                 175     


Phe Asn Gly Phe Asn Leu Gln Ile Ser Asp Pro Trp Asp Pro Arg Trp 
            180                 185                 190         


Ala Ser Gly Val Asp Gly Gly Leu Tyr Glu His Lys Thr Phe Met Tyr 
        195                 200                 205             


Pro Val Ala Lys Ile Arg Ile Ala Arg Thr Leu Lys Thr Thr Val Thr 
    210                 215                 220                 


Gly Leu Ser Asp Leu Ala Ser Ser Ile Gln Ser Ala Glu Lys Glu Leu 
225                 230                 235                 240 


Thr Ser Gln Leu Gln Pro Ala Ala Asp Gln Ala Lys Ser Ser Arg Phe 
                245                 250                 255     


Ser Trp Leu Thr Leu Ile Ser Glu Gly Ala Gln Leu Leu Gln Ser Thr 
            260                 265                 270         


Gly Val Gln Asn Leu Ser His Cys Phe Leu Cys 
        275                 280             


<210>  27
<211>  228
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Human T Leukaemia Virus-1


<220>
<221>  PEPTIDE
<222>  (1)..(228)

<400>  27

Met Gly Lys Phe Leu Ala Thr Leu Ile Leu Phe Phe Gln Phe Cys Pro 
1               5                   10                  15      


Leu Ile Phe Gly Asp Tyr Ser Pro Ser Cys Cys Thr Leu Thr Ile Gly 
            20                  25                  30          


Val Ser Ser Tyr His Ser Lys Pro Cys Asn Pro Ala Gln Pro Val Cys 
        35                  40                  45              


Ser Trp Thr Leu Asp Leu Leu Ala Leu Ser Ala Asp Gln Ala Leu Gln 
    50                  55                  60                  


Pro Pro Cys Pro Asn Leu Val Ser Tyr Ser Ser Tyr His Ala Thr Tyr 
65                  70                  75                  80  


Ser Leu Tyr Leu Phe Pro His Trp Thr Lys Lys Pro Asn Arg Asn Gly 
                85                  90                  95      


Gly Gly Tyr Tyr Ser Ala Ser Tyr Ser Asp Pro Cys Ser Leu Lys Cys 
            100                 105                 110         


Pro Tyr Leu Gly Cys Gln Ser Trp Thr Cys Pro Tyr Thr Gly Ala Val 
        115                 120                 125             


Ser Ser Pro Tyr Trp Lys Phe Gln His Asp Val Asn Phe Thr Gln Glu 
    130                 135                 140                 


Val Ser Arg Leu Asn Ile Asn Leu His Phe Ser Lys Cys Gly Phe Pro 
145                 150                 155                 160 


Phe Ser Leu Leu Val Asp Ala Pro Gly Tyr Asp Pro Ile Trp Phe Leu 
                165                 170                 175     


Asn Thr Glu Pro Ser Gln Leu Pro Pro Thr Ala Pro Pro Leu Leu Pro 
            180                 185                 190         


His Ser Asn Leu Asp His Ile Leu Glu Pro Ser Ile Pro Trp Lys Ser 
        195                 200                 205             


Lys Leu Leu Thr Leu Val Gln Leu Thr Leu Gln Ser Thr Asn Tyr Thr 
    210                 215                 220                 


Cys Ile Val Cys 
225             


<210>  28
<211>  224
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Human T Leukaemia Virus-2


<220>
<221>  PEPTIDE
<222>  (1)..(224)

<400>  28

Met Gly Asn Val Phe Phe Leu Leu Leu Phe Ser Leu Thr His Phe Pro 
1               5                   10                  15      


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


His Ser Ser Pro Cys Ser Pro Thr Gln Pro Val Cys Thr Trp Asn Leu 
        35                  40                  45              


Asp Leu Asn Ser Leu Thr Thr Asp Gln Arg Leu His Pro Pro Cys Pro 
    50                  55                  60                  


Asn Leu Ile Thr Tyr Ser Gly Phe His Lys Thr Tyr Ser Leu Tyr Leu 
65                  70                  75                  80  


Phe Pro His Trp Ile Lys Lys Pro Asn Arg Gln Gly Leu Gly Tyr Tyr 
                85                  90                  95      


Ser Pro Ser Tyr Asn Asp Pro Cys Ser Leu Gln Cys Pro Tyr Leu Gly 
            100                 105                 110         


Cys Gln Ser Trp Thr Cys Pro Tyr Thr Gly Pro Val Ser Ser Pro Ser 
        115                 120                 125             


Trp Lys Phe His Ser Asp Val Asn Phe Thr Gln Glu Val Ser Gln Val 
    130                 135                 140                 


Ser Leu Arg Leu His Phe Ser Lys Cys Gly Ser Ser Met Thr Leu Leu 
145                 150                 155                 160 


Val Asp Ala Pro Gly Tyr Asp Pro Leu Trp Phe Ile Thr Ser Glu Pro 
                165                 170                 175     


Thr Gln Pro Pro Pro Thr Ser Pro Pro Leu Val His Asp Ser Asp Leu 
            180                 185                 190         


Glu His Val Leu Thr Pro Ser Thr Ser Trp Thr Thr Lys Ile Leu Lys 
        195                 200                 205             


Phe Ile Gln Leu Thr Leu Gln Ser Thr Asn Tyr Ser Cys Met Val Cys 
    210                 215                 220                 


<210>  29
<211>  228
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Simian T Leukaemia Virus-3


<220>
<221>  PEPTIDE
<222>  (1)..(228)

<400>  29

Met Gly Lys Ser Gly Leu Tyr Phe Ser Leu Ile Cys Phe Tyr Thr Leu 
1               5                   10                  15      


Phe Pro Ser Ser Phe Gly Asn Pro Ser Arg Cys Thr Leu Phe Ile Gly 
            20                  25                  30          


Ala Ser Ser Tyr His Ser Asp Pro Cys Gly Ser Asn His Pro Arg Cys 
        35                  40                  45              


Thr Trp Arg Leu Asp Leu Phe Ser Leu Thr Lys Asp Gln Ser Leu Ser 
    50                  55                  60                  


Pro Pro Cys Pro Gly Leu Val Thr Tyr Ser Gln Tyr His Lys Pro Tyr 
65                  70                  75                  80  


Ser Leu Tyr Val Phe Pro His Trp Ile Ala Lys Pro Asp Arg Arg Gly 
                85                  90                  95      


Leu Gly Tyr Tyr Ser Ala Ser Tyr Ser Asp Pro Cys Ala Ile Gln Cys 
            100                 105                 110         


Pro Tyr Leu Gly Cys Gln Ser Trp Thr Cys Pro Tyr Thr Gly Pro Val 
        115                 120                 125             


Ser Ser Pro His Trp Lys Tyr Thr Ser Asp Leu Asn Phe Thr Gln Glu 
    130                 135                 140                 


Val Ser Ser Ile Ser Leu His Leu His Phe Ser Lys Cys Gly Tyr Ser 
145                 150                 155                 160 


Phe Ser Phe Leu Leu Asp Ala Pro Gly Tyr Asp Pro Val Trp Leu Leu 
                165                 170                 175     


Ser Ser Gln Ala Thr Gln Ile Pro Pro Thr Pro Ala Pro Leu Ile Arg 
            180                 185                 190         


Asp Pro Asp Leu Gln His Ile Leu Glu Pro Ser Ile Pro Trp Ser Ser 
        195                 200                 205             


Lys Ile Leu Asn Leu Ile Leu Leu Ala Leu Lys Ser Thr Asn Tyr Ser 
    210                 215                 220                 


Cys Met Val Cys 
225             


<210>  30
<211>  215
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Bovine Leukaemia Virus


<220>
<221>  PEPTIDE
<222>  (1)..(215)

<400>  30

Met Pro Lys Glu Arg Arg Ser Arg Arg Arg Pro Gln Pro Ile Ile Arg 
1               5                   10                  15      


Trp Val Ser Leu Thr Leu Thr Leu Leu Ala Leu Cys Gln Pro Ile Gln 
            20                  25                  30          


Thr Trp Arg Cys Ser Leu Ser Leu Gly Asn Gln Gln Trp Met Thr Thr 
        35                  40                  45              


Tyr Asn Gln Glu Ala Lys Phe Phe Ile Ser Ile Asp Gln Ile Leu Glu 
    50                  55                  60                  


Ala His Asn Gln Ser Pro Phe Cys Pro Arg Ser Pro Arg Tyr Thr Leu 
65                  70                  75                  80  


Asp Phe Val Asn Gly Tyr Pro Lys Ile Tyr Trp Pro Pro Pro Gln Gly 
                85                  90                  95      


Arg Arg Arg Phe Gly Ala Arg Ala Met Val Thr Tyr Asp Cys Glu Pro 
            100                 105                 110         


Arg Cys Pro Tyr Val Gly Ala Asp His Phe Asp Cys Pro His Trp Asp 
        115                 120                 125             


Asn Ala Ser Gln Ala Asp Gln Gly Ser Phe Tyr Val Asn His Gln Thr 
    130                 135                 140                 


Leu Phe Leu His Leu Lys Gln Cys His Gly Ile Phe Thr Leu Thr Trp 
145                 150                 155                 160 


Glu Ile Trp Gly Tyr Asp Pro Leu Ile Thr Phe Ser Leu His Lys Ile 
                165                 170                 175     


Pro Asp Pro Pro Gln Pro Asp Phe Pro Gln Leu Asn Ser Asp Trp Val 
            180                 185                 190         


Pro Ser Val Arg Ser Trp Ala Leu Leu Leu Asn Gln Thr Ala Arg Ala 
        195                 200                 205             


Phe Pro Asp Cys Ala Ile Cys 
    210                 215 


<210>  31
<211>  224
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Human T Leukaemia Virus-4


<220>
<221>  PEPTIDE
<222>  (1)..(224)

<400>  31

Met Gly Asn Val Leu Phe Leu Thr Leu Leu Ala Thr Leu Gly Ile Pro 
1               5                   10                  15      


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


His Ser Ser Pro Cys Ser Pro Ala Gln Pro Leu Cys Thr Trp Ala Leu 
        35                  40                  45              


Asp Leu Val Ser Ile Thr Lys Asp Gln Leu Leu Tyr Pro Pro Cys Gln 
    50                  55                  60                  


Asn Leu Ile Thr Tyr Ser Asn Tyr His Lys Thr Tyr Ser Leu Tyr Leu 
65                  70                  75                  80  


Phe Pro His Trp Val Gln Lys Pro Leu Arg Arg Gly Leu Gly Tyr Tyr 
                85                  90                  95      


Ser Ala Ser Tyr Ser Asp Pro Cys Ser Leu Gln Cys Pro Tyr Leu Gly 
            100                 105                 110         


Ser Gln Ser Trp Thr Cys Pro Tyr Thr Gly Pro Val Ser Ser Pro Thr 
        115                 120                 125             


Trp Arg Phe Ser Thr Asp Val Asn Phe Thr Gln Glu Val Ser Arg Val 
    130                 135                 140                 


Ser Leu Lys Leu His Phe Ser Lys Cys Gly Ser Ser Leu Thr Leu Leu 
145                 150                 155                 160 


Ile Asp Ala Pro Gly Tyr Asp Pro Leu Trp Tyr Leu Thr Ser Glu Pro 
                165                 170                 175     


Thr Gln Glu Pro Pro Thr Pro Pro Pro Leu Val Ser Asp Ser Asp Leu 
            180                 185                 190         


Glu His Val Leu Thr Pro Ser Ala Ser Trp Ala Ser Lys Met Leu Thr 
        195                 200                 205             


Leu Ile His Leu Thr Leu Gln Ser Thr Asn Tyr Ser Cys Met Val Cys 
    210                 215                 220                 


<210>  32
<211>  244
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Amphotropic Murine Leukaemia Virus 4070A


<220>
<221>  PEPTIDE
<222>  (1)..(244)

<400>  32

Met Ala Arg Ser Thr Leu Ser Lys Pro Pro Gln Asp Lys Ile Asn Pro 
1               5                   10                  15      


Trp Lys Pro Leu Ile Val Met Gly Val Leu Leu Gly Val Gly Met Ala 
            20                  25                  30          


Glu Ser Pro His Gln Val Phe Asn Val Thr Trp Arg Val Thr Asn Leu 
        35                  40                  45              


Met Thr Gly Arg Thr Ala Asn Ala Thr Ser Leu Leu Gly Thr Val Gln 
    50                  55                  60                  


Asp Ala Phe Pro Lys Leu Tyr Phe Asp Leu Cys Asp Leu Val Gly Glu 
65                  70                  75                  80  


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


Tyr Pro Ala Gly Arg Gln Arg Thr Arg Thr Phe Asp Phe Tyr Val Cys 
            100                 105                 110         


Pro Gly His Thr Val Lys Ser Gly Cys Gly Gly Pro Gly Glu Gly Tyr 
        115                 120                 125             


Cys Gly Lys Trp Gly Cys Glu Thr Thr Gly Gln Ala Tyr Trp Lys Pro 
    130                 135                 140                 


Thr Ser Ser Trp Asp Leu Ile Ser Leu Lys Arg Gly Asn Thr Pro Trp 
145                 150                 155                 160 


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


Lys Val Ser Asn Ser Phe Gln Gly Ala Thr Arg Gly Gly Arg Cys Asn 
            180                 185                 190         


Pro Leu Val Leu Glu Phe Thr Asp Ala Gly Lys Lys Ala Asn Trp Asp 
        195                 200                 205             


Gly Pro Lys Ser Trp Gly Leu Arg Leu Tyr Arg Thr Gly Thr Asp Pro 
    210                 215                 220                 


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


Val Pro Ile Gly 
                


<210>  33
<211>  222
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Feline endogenous Leukaemia Virus RD 114


<220>
<221>  PEPTIDE
<222>  (1)..(222)

<400>  33

Met Lys Leu Pro Thr Gly Met Val Ile Leu Cys Ser Leu Ile Ile Val 
1               5                   10                  15      


Arg Ala Gly Phe Asp Asp Pro Arg Lys Ala Ile Ala Leu Val Gln Lys 
            20                  25                  30          


Gln His Gly Lys Pro Cys Glu Cys Ser Gly Gly Gln Val Ser Glu Ala 
        35                  40                  45              


Pro Pro Asn Ser Ile Gln Gln Val Thr Cys Pro Gly Lys Thr Ala Tyr 
    50                  55                  60                  


Leu Met Thr Asn Gln Lys Trp Lys Cys Arg Val Thr Pro Lys Ile Ser 
65                  70                  75                  80  


Pro Ser Gly Gly Glu Leu Gln Asn Cys Pro Cys Asn Thr Phe Gln Asp 
                85                  90                  95      


Ser Met His Ser Ser Cys Tyr Thr Glu Tyr Arg Gln Cys Arg Arg Ile 
            100                 105                 110         


Asn Lys Thr Tyr Tyr Thr Ala Thr Leu Leu Lys Ile Arg Ser Gly Ser 
        115                 120                 125             


Leu Asn Glu Val Gln Ile Leu Gln Asn Pro Asn Gln Leu Leu Gln Ser 
    130                 135                 140                 


Pro Cys Arg Gly Ser Ile Asn Gln Pro Val Cys Trp Ser Ala Thr Ala 
145                 150                 155                 160 


Pro Ile His Ile Ser Asp Gly Gly Gly Pro Leu Asp Thr Lys Arg Val 
                165                 170                 175     


Trp Thr Val Gln Lys Arg Leu Glu Gln Ile His Lys Ala Met Thr Pro 
            180                 185                 190         


Glu Leu Gln Tyr His Pro Leu Ala Leu Pro Lys Val Arg Asp Asp Leu 
        195                 200                 205             


Ser Leu Asp Ala Arg Thr Phe Asp Ile Leu Asn Thr Thr Phe 
    210                 215                 220         


<210>  34
<211>  296
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Xenotropic Murine Leukaemia Virus (NZB)


<220>
<221>  PEPTIDE
<222>  (1)..(296)

<400>  34

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


Ile Asn Pro Trp Gly Pro Leu Ile Val Met Gly Ile Leu Val Arg Ala 
            20                  25                  30          


Gly Ala Ser Val Gln Arg Asp Ser Pro His Gln Ile Phe Asn Val Thr 
        35                  40                  45              


Trp Arg Val Thr Asn Leu Met Thr Gly Gln Thr Ala Asn Ala Thr Ser 
    50                  55                  60                  


Leu Leu Gly Thr Met Thr Asp Thr Phe Pro Lys Leu Tyr Phe Asp Leu 
65                  70                  75                  80  


Cys Asp Leu Val Gly Asp Tyr Trp Asp Asp Pro Glu Pro Asp Ile Gly 
                85                  90                  95      


Asp Gly Cys Arg Thr Pro Gly Gly Arg Arg Arg Thr Arg Leu Tyr Asp 
            100                 105                 110         


Phe Tyr Val Cys Pro Gly His Thr Val Pro Ile Gly Cys Gly Gly Pro 
        115                 120                 125             


Gly Glu Gly Tyr Cys Gly Lys Trp Gly Cys Glu Thr Thr Gly Gln Ala 
    130                 135                 140                 


Tyr Trp Lys Pro Ser Ser Ser Trp Asp Leu Ile Ser Leu Lys Arg Gly 
145                 150                 155                 160 


Asn Thr Pro Lys Asp Gln Gly Pro Cys Tyr Asp Ser Ser Val Ser Ser 
                165                 170                 175     


Gly Val Gln Gly Ala Thr Pro Gly Gly Arg Cys Asn Pro Leu Val Leu 
            180                 185                 190         


Glu Phe Thr Asp Ala Gly Arg Lys Ala Ser Trp Asp Ala Pro Lys Val 
        195                 200                 205             


Trp Gly Leu Arg Leu Tyr Arg Ser Thr Gly Ala Asp Pro Val Thr Arg 
    210                 215                 220                 


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


Gly Pro Asn Pro Val Ile Thr Asp Gln Leu Pro Pro Ser Gln Pro Val 
                245                 250                 255     


Gln Ile Met Leu Pro Arg Pro Pro His Pro Pro Pro Ser Gly Thr Val 
            260                 265                 270         


Ser Met Val Pro Gly Ala Pro Pro Pro Ser Gln Gln Pro Gly Thr Gly 
        275                 280                 285             


Asp Arg Leu Leu Asn Leu Val Gln 
    290                 295     


<210>  35
<211>  232
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Feline Leukaemia Virus C


<220>
<221>  PEPTIDE
<222>  (1)..(232)

<400>  35

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


Trp Asn Leu Val Phe Leu Val Gly Ile Leu Phe Gln Ile Asp Met Gly 
            20                  25                  30          


Met Ala Asn Pro Ser Pro His Gln Val Tyr Asn Val Thr Trp Val Ile 
        35                  40                  45              


Thr Asn Val Gln Thr Asn Ser Arg Ala Asn Ala Thr Ser Met Leu Gly 
    50                  55                  60                  


Thr Leu Thr Asp Ala Tyr Pro Thr Leu Tyr Val Asp Leu Cys Asp Leu 
65                  70                  75                  80  


Val Gly Asp Thr Trp Glu Pro Ile Ala Pro Asp Pro Arg Ser Trp Ala 
                85                  90                  95      


Arg Tyr Ser Ser Ser Thr His Gly Cys Lys Thr Thr Asp Arg Lys Lys 
            100                 105                 110         


Gln Gln Gln Thr Tyr Pro Phe Tyr Val Cys Pro Gly His Ala Pro Ser 
        115                 120                 125             


Met Gly Pro Lys Gly Thr Tyr Cys Gly Gly Ala Gln Asp Gly Phe Cys 
    130                 135                 140                 


Ala Ala Trp Gly Cys Glu Thr Thr Gly Glu Ala Trp Trp Lys Pro Thr 
145                 150                 155                 160 


Ser Ser Trp Asp Tyr Ile Thr Val Lys Arg Gly Ser Asn Gln Asp Asn 
                165                 170                 175     


Ser Cys Lys Gly Lys Cys Asn Pro Leu Val Leu Gln Phe Thr Gln Lys 
            180                 185                 190         


Gly Arg Gln Ala Ser Trp Asp Arg Pro Lys Met Trp Gly Leu Arg Leu 
        195                 200                 205             


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


Val Met Thr Ile Thr Pro Pro Gln 
225                 230         


<210>  36
<211>  253
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Koala Retrovirus


<220>
<221>  PEPTIDE
<222>  (1)..(253)

<400>  36

Met Leu Leu Ile Ser Asn Pro Arg His Leu Gly His Pro Met Ser Pro 
1               5                   10                  15      


Gly Asn Trp Lys Arg Leu Ile Ile Leu Leu Ser Cys Val Phe Gly Gly 
            20                  25                  30          


Ala Glu Met Asn Gln Gln His Asn Asn Pro His Gln Pro Met Thr Leu 
        35                  40                  45              


Thr Trp Gln Val Leu Ser Gln Thr Gly Ser Val Val Trp Glu Lys Lys 
    50                  55                  60                  


Ala Val Glu Pro Pro Trp Thr Trp Trp Pro Ser Leu Glu Pro Asp Val 
65                  70                  75                  80  


Cys Ala Leu Val Ala Gly Leu Glu Ser Trp Asp Ile Pro Glu Leu Thr 
                85                  90                  95      


Ala Ser Ala Ser Gln Gln Ala Arg Pro Pro Asp Ser Asn Tyr Glu His 
            100                 105                 110         


Ala Tyr Asn Gln Ile Thr Trp Gly Thr Leu Gly Cys Ser Tyr Pro Arg 
        115                 120                 125             


Ala Arg Thr Arg Ile Ala Arg Ser Gln Phe Tyr Val Cys Pro Arg Asp 
    130                 135                 140                 


Gly Arg Ser Leu Ser Glu Ala Arg Arg Cys Gly Gly Leu Glu Ser Leu 
145                 150                 155                 160 


Tyr Cys Lys Glu Trp Gly Cys Glu Thr Ala Gly Thr Ala Tyr Trp Gln 
                165                 170                 175     


Pro Arg Ser Ser Trp Asp Leu Ile Thr Val Gly Gln Gly His Pro Thr 
            180                 185                 190         


Gly Thr Cys Glu Arg Thr Gly Trp Cys Asn Pro Leu Lys Ile Glu Phe 
        195                 200                 205             


Thr Glu Pro Gly Lys Arg Phe Arg Asn Trp Leu Gln Gly Arg Thr Trp 
    210                 215                 220                 


Gly Leu Arg Phe Tyr Val Thr Gly His Pro Gly Val Gln Leu Thr Ile 
225                 230                 235                 240 


Arg Leu Val Ile Thr Ser Pro Pro Pro Val Val Val Gly 
                245                 250             


<210>  37
<211>  309
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Porcine Endogeneous Retrovirus-A


<220>
<221>  PEPTIDE
<222>  (1)..(309)

<400>  37

Met His Pro Thr Leu Ser Arg Arg His Leu Pro Ile Arg Gly Gly Lys 
1               5                   10                  15      


Pro Lys Arg Leu Lys Ile Pro Leu Ser Phe Ala Ser Ile Ala Trp Phe 
            20                  25                  30          


Leu Thr Leu Ser Ile Thr Pro Gln Val Asn Gly Lys Arg Leu Val Asp 
        35                  40                  45              


Ser Pro Asn Ser His Lys Pro Leu Ser Leu Thr Trp Leu Leu Thr Asp 
    50                  55                  60                  


Ser Gly Thr Gly Ile Asn Ile Asn Ser Thr Gln Gly Glu Ala Pro Leu 
65                  70                  75                  80  


Gly Thr Trp Trp Pro Glu Leu Tyr Val Cys Leu Arg Ser Val Ile Pro 
                85                  90                  95      


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


Phe Tyr Val Cys Pro Gly Pro Pro Asn Asn Glu Glu Tyr Cys Gly Asn 
        115                 120                 125             


Pro Gln Asp Phe Phe Cys Lys Gln Trp Ser Cys Ile Thr Ser Asn Asp 
    130                 135                 140                 


Gly Asn Trp Lys Trp Pro Val Ser Gln Gln Asp Arg Val Ser Tyr Ser 
145                 150                 155                 160 


Phe Val Asn Asn Pro Thr Ser Tyr Asn Gln Phe Asn Tyr Gly His Gly 
                165                 170                 175     


Arg Trp Lys Asp Trp Gln Gln Arg Val Gln Lys Asp Val Arg Asn Lys 
            180                 185                 190         


Gln Ile Ser Cys His Ser Leu Asp Leu Asp Tyr Leu Lys Ile Ser Phe 
        195                 200                 205             


Thr Glu Lys Gly Lys Gln Glu Asn Ile Gln Lys Trp Val Asn Gly Ile 
    210                 215                 220                 


Ser Trp Gly Ile Val Tyr Tyr Gly Gly Ser Gly Arg Lys Lys Gly Ser 
225                 230                 235                 240 


Val Leu Thr Ile Arg Leu Arg Ile Glu Thr Gln Met Glu Pro Pro Val 
                245                 250                 255     


Ala Ile Gly Pro Asn Lys Gly Leu Ala Glu Gln Gly Pro Pro Ile Gln 
            260                 265                 270         


Glu Gln Arg Pro Ser Pro Asn Pro Ser Asp Tyr Asn Thr Thr Ser Gly 
        275                 280                 285             


Ser Val Pro Thr Glu Pro Asn Ile Thr Ile Lys Thr Gly Ala Lys Leu 
    290                 295                 300                 


Phe Ser Leu Ile Gln 
305                 


<210>  38
<211>  239
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Porcine Endogeneous Retrovirus-B


<220>
<221>  PEPTIDE
<222>  (1)..(239)

<400>  38

Met His Pro Thr Leu Ser Trp Arg His Leu Pro Thr Arg Gly Gly Glu 
1               5                   10                  15      


Pro Lys Arg Leu Arg Ile Pro Leu Ser Phe Ala Ser Ile Ala Trp Phe 
            20                  25                  30          


Leu Thr Leu Thr Ile Thr Pro Gln Ala Ser Ser Lys Arg Leu Ile Asp 
        35                  40                  45              


Ser Ser Asn Pro His Arg Pro Leu Ser Leu Thr Trp Leu Ile Ile Asp 
    50                  55                  60                  


Pro Asp Thr Gly Val Thr Val Asn Ser Thr Arg Gly Val Ala Pro Arg 
65                  70                  75                  80  


Gly Thr Trp Trp Pro Glu Leu His Phe Cys Leu Arg Leu Ile Asn Pro 
                85                  90                  95      


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


Cys Cys Pro Gly Thr Glu Lys Glu Lys Tyr Cys Gly Gly Ser Gly Glu 
        115                 120                 125             


Ser Phe Cys Arg Arg Trp Ser Cys Val Thr Ser Asn Asp Gly Asp Trp 
    130                 135                 140                 


Lys Trp Pro Ile Ser Leu Gln Asp Arg Val Lys Phe Ser Phe Val Asn 
145                 150                 155                 160 


Ser Gly Pro Gly Lys Tyr Lys Val Met Lys Leu Tyr Lys Asp Lys Ser 
                165                 170                 175     


Cys Ser Pro Ser Asp Leu Asp Tyr Leu Lys Ile Ser Phe Thr Glu Lys 
            180                 185                 190         


Gly Lys Gln Glu Asn Ile Gln Lys Trp Ile Asn Gly Met Ser Trp Gly 
        195                 200                 205             


Ile Val Phe Tyr Lys Tyr Gly Gly Gly Ala Gly Ser Thr Leu Thr Ile 
    210                 215                 220                 


Arg Leu Arg Ile Glu Thr Gly Thr Glu Pro Pro Val Ala Val Gly 
225                 230                 235                 


<210>  40
<211>  178
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Human T Leukaemia Virus-2


<220>
<221>  PEPTIDE
<222>  (1)..(178)

<400>  40

Met Gly Asn Val Phe Phe Leu Leu Leu Phe Ser Leu Thr His Phe Pro 
1               5                   10                  15      


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


His Ser Ser Pro Cys Ser Pro Thr Gln Pro Val Cys Thr Trp Asn Leu 
        35                  40                  45              


Asp Leu Asn Ser Leu Thr Thr Asp Gln Arg Leu His Pro Pro Cys Pro 
    50                  55                  60                  


Asn Leu Ile Thr Tyr Ser Gly Phe His Lys Thr Tyr Ser Leu Tyr Leu 
65                  70                  75                  80  


Phe Pro His Trp Ile Lys Lys Pro Asn Arg Gln Gly Leu Gly Tyr Tyr 
                85                  90                  95      


Ser Pro Ser Tyr Asn Asp Pro Cys Ser Leu Gln Cys Pro Tyr Leu Gly 
            100                 105                 110         


Cys Gln Ser Trp Thr Cys Pro Tyr Thr Gly Pro Val Ser Ser Pro Ser 
        115                 120                 125             


Trp Lys Phe His Ser Asp Val Asn Phe Thr Gln Glu Val Ser Gln Val 
    130                 135                 140                 


Ser Leu Arg Leu His Phe Ser Lys Cys Gly Ser Ser Met Thr Leu Leu 
145                 150                 155                 160 


Val Asp Ala Pro Gly Tyr Asp Pro Leu Trp Phe Ile Thr Ser Glu Pro 
                165                 170                 175     


Thr Gln 
        


<210>  41
<211>  181
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Derived from Env Bovine Leukaemia Virus


<220>
<221>  PEPTIDE
<222>  (1)..(181)

<400>  41

Met Pro Lys Glu Arg Arg Ser Arg Arg Arg Pro Gln Pro Ile Ile Arg 
1               5                   10                  15      


Trp Val Ser Leu Thr Leu Thr Leu Leu Ala Leu Cys Gln Pro Ile Gln 
            20                  25                  30          


Thr Trp Arg Cys Ser Leu Ser Leu Gly Asn Gln Gln Trp Met Thr Thr 
        35                  40                  45              


Tyr Asn Gln Glu Ala Lys Phe Phe Ile Ser Ile Asp Gln Ile Leu Glu 
    50                  55                  60                  


Ala His Asn Gln Ser Pro Phe Cys Pro Arg Ser Pro Arg Tyr Thr Leu 
65                  70                  75                  80  


Asp Phe Val Asn Gly Tyr Pro Lys Ile Tyr Trp Pro Pro Pro Gln Gly 
                85                  90                  95      


Arg Arg Arg Phe Gly Ala Arg Ala Met Val Thr Tyr Asp Cys Glu Pro 
            100                 105                 110         


Arg Cys Pro Tyr Val Gly Ala Asp His Phe Asp Cys Pro His Trp Asp 
        115                 120                 125             


Asn Ala Ser Gln Ala Asp Gln Gly Ser Phe Tyr Val Asn His Gln Thr 
    130                 135                 140                 


Leu Phe Leu His Leu Lys Gln Cys His Gly Ile Phe Thr Leu Thr Trp 
145                 150                 155                 160 


Glu Ile Trp Gly Tyr Asp Pro Leu Ile Thr Phe Ser Leu His Lys Ile 
                165                 170                 175     


Pro Asp Pro Pro Gln 
            180     


