>sp|P03404|NEF_HV1B1 Protein Nef OS=Human immunodeficiency virus type 1 group M subtype B GN=nef MGGKWSKSSVIGWPAVRERMRRAEPAADGVGAASRDLEKHGAITSSNTAANNAACAWLEA QEEEKVGFPVTPQVPLRPMTYKAAVDLSHFLKEKGGLEGLIHSQRRQDILDLWIYHTQGY FPDWQNYTPGPGIRYPLTFGWCYKLVPVEPDKVEEANKGENTSLLHPVSLHGMDDPEREV LEWRFDSRLAFHHVARELHPEYFKNC