>tr|O55960|O55960_9HIV1 Virion infectivity factor OS=Human immunodeficiency virus 1 OX=11676 GN=vif PE=2 SV=1 MENRWQVMIVWQVDRIRIKTWKSLVKHHMYRSGRARKWFYRHHYESTHPKISSEVHIPLG DARLVVTTYWGLHTGERDWHLGQGVSIEWRKRRYSTQVDPNLADQLIHLSSFDCFSESAI RNAILGRIVRPSCDFQAGHNKVGSLQYLALAALITPKKIKPPLPSVAKLTEDRWNKPQKT KGSRGSHRMNGH