>sp|P35959|NEF_HV1Y2 Protein Nef OS=Human immunodeficiency virus type 1 group M subtype B (isolate YU-2) OX=362651 GN=nef PE=3 SV=3 MGGKWSKRSMAGWPTVRERMRRAEPAAERMRRAEPAADGVGAVSRDLERHGAITSSNTAA TNADCAWLEAQEEEEVGFPVRPQVPLRPMTHKAAMDLSHFLKEKGGLEGLIHSQQRQDIL DLWVYHTQGYFPDWQNYTPGGTRWPLTFGWCFKLVPVEPEKIEEANAGENNCLLHPMSQH GMDDPEREGLEWRFDSRLAFHHVARELHPEYYKN