>sp|P12504|VIF_HV1N5 Virion infectivity factor OS=Human immunodeficiency virus type 1 group M subtype B GN=vif MENRWQVMIVWQVDRMRINTWKRLVKHHMYISRKAKDWFYRHHYESTNPKISSEVHIPLG DAKLVITTYWGLHTGERDWHLGQGVSIEWRKKRYSTQVDPDLADQLIHLHYFDCFSESAI RNTILGRIVSPRCEYQAGHNKVGSLQYLALAALIKPKQIKPPLPSVRKLTEDRWNKPQKT KGHRGSHTMNGH