A: Endogenous retrovirus group S71 member 1 Env polyprotein B: Endogenous retrovirus group S71 member 1 Env polyprotein C: Endogenous retrovirus group S71 member 1 Env polyprotein D: Endogenous retrovirus group S71 member 1 Env polyprotein E: Endogenous retrovirus group S71 member 1 Env polyprotein F: Endogenous retrovirus group S71 member 1 Env polyprotein hetero molecules
A: Endogenous retrovirus group S71 member 1 Env polyprotein B: Endogenous retrovirus group S71 member 1 Env polyprotein C: Endogenous retrovirus group S71 member 1 Env polyprotein hetero molecules
D: Endogenous retrovirus group S71 member 1 Env polyprotein E: Endogenous retrovirus group S71 member 1 Env polyprotein F: Endogenous retrovirus group S71 member 1 Env polyprotein hetero molecules