>tr|O55953|O55953_9HIV1 Virion infectivity factor OS=Human immunodeficiency virus 1 OX=11676 GN=vif PE=2 SV=1 METRWQVMIVWQVDRMRIKTWKSLVKHHMYRSGRAREWFYRHHYESTHPKISSEVHIPLG DARLVVTTYWGLHTGERDWHLGQGVSIQWRKRRYSTQVDPNLADQLIHMYYFDCFSESAI RNAILGRIVRPSCDFQAGHNKVGSLQYLALAALITPKKIKPPLPSVAKLTEDRWNKPQKT KGHRGSHRMNGH