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| PR:000007192 | endogenous retrovirus group 3 member 1 Env polyprotein | | |  | | |
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| PR:Q14264 | endogenous retrovirus group 3 member 1 Env polyprotein (human) | | |  | | |
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| PR:000079019 | endogenous retrovirus group 3 member 1 Env polyprotein cysteinylated 1 (human) | | |  | | |
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| PR:Q14264 | endogenous retrovirus group 3 member 1 Env polyprotein (human) | | |  | | |
 |  |  |  |  |  |
    |
| PR:000079019 | endogenous retrovirus group 3 member 1 Env polyprotein cysteinylated 1 (human) | | |  | | |