>sp|Q89721|VPX_HV2EH Protein Vpx OS=Human immunodeficiency virus type 2 subtype B GN=vpx MDPRERVPPGNSGEETVGEAFEWLETTLEHLNRVAVNHLPRELIFQVWQKSWAYWREEQG MSISYTKYRYLCLMQKAMFIHFAKGCGCLREGHGPGGWRSGPPPPPPPGLA