>sp|P19551|ENV_HV1MF Envelope glycoprotein gp160 OS=Human immunodeficiency virus type 1 group M subtype B (isolate MFA) OX=11704 GN=env PE=1 SV=1
MRVKEKYQHLWRWGWKWGIMLLGILMICSATENLWVTVYYGVPVWKEATTTLFCASDAKA
YDTEVHNVCATHACVPTDPNPQEVILVNVTENFDMWKNDMVEQMHEDIISLWDQSLKPCV
KLTPLCVNLKCTDLKNDTNTNSSNGRMIMEKGEIKNCSFNISTSIRNKVQKEYAFFYKLD
IRPIDNTTYRLISCNTSVITQACPKVSFEPIPIHYCAPAGFAILKCNDKTFNGTGPCTNV
STVQCTHGIRPVVSTQLLLNGSLAEEEGVIRSANFTDNAKTIIVQLNTSVEINCTRPNNN
TRKSIRIQRGPGRAFVTIGKIGNMRQAHCNISRAKWMSTLKQIASKLREQFGNNKTVIFK
QSSGGDPEIVTHSFNCGGEFFYCNSTQLFNSTWFNSTWSTEGSNNTEGSDTITLPCRIKQ
FINMWQEVGKAMYAPPISGQIRCSSNITGLLLTRDGGKNTNESEVFRPGGGDMRDNWRSE
LYKYKVVKIETLGVAPTKAKRRVVQREKRAVGIGALFLGFLGAAGSTMGAASMTLTVQAR
QLLSGIVQQQNNLLRAIEAQQHLLQLTVWGIKQLQARILAVERYLKDQQLLGIWGCSGKL
ICTTAVPWNASWSNKSLEQFWNNMTWMEWDREINNYTSLIHSLIDESQNQQEKNEQELLE
LDKWASLWNWFNITNWLWYIKIFIMIVGGLVGLRIVFAVLSIVNRVRQGYSPLSFQTHLP
NRGGPDRPEGIEEEGGERDRDRSVRLVNGSLALIWDDLRSLCLFSYHRLRDLLLIVTRIV
ELLGRRGWEALKYWWNLLQYWSQELKNSAVSLLNATAIAVAEGTDRVIEVVQGAYRAIRH
IPRRIRQGLERIL