>6nil_F mol:protein length:138 Virion infectivity factor MENRWQVMIVWQVDRMRINTWKRLVKHHMYISRKAKDWFYRHHYESTNPKISSEVHIPL GDAKLVITTYWGLHTGERDWHLGQGVSIEWRKKRYSTQVDPDLADQLIHLHYFDEASEG SQIKPPLPSVRKLTEDRWNK