>sp|P05879|ENV_HV1C4 Envelope glycoprotein gp160 OS=Human immunodeficiency virus type 1 group M subtype B GN=env
MAMRAKGIRKNCQHLWRWGTMLLGMLMICSAAANLWVTVYYGVPVWKEATTTLFCASDAK
AYDTEAHNVWATHACVPTNPNPQEVVLENVTENFNMWKNNMVEQMHEDIISLWDQSLKPC
VKLTPLCVTLNCTDLNTNNTTNTTELSIIVVWEQRGKGEMRNCSFNITTSIRDKVQREYA
LFYKLDVEPIDDNKNTTNNTKYRLINCNTSVITQACPKVSFEPIPIHYCTPTGFALLKCN
DKKFNGTGPCTNVSTVQCTHGIRPVVSTQLLLNGSLAEEEVVIRSENFTNNAKTIIVQLN
VSVEINCTRPNNHTRKRVTLGPGRVWYTTGEILGNIRQAHCNISRAQWNNTLQQIATTLR
EQFGNKTIAFNQSSGGDPEIVMHSFNCGGEFFYCNSTQLFNSAWNVTSNGTWSVTRKQKD
TGDIITLPCRIKQIINRWQVVGKAMYALPIKGLIRCSSNITGLLLTRDGGGENQTTEIFR
PGGGDMRDNWRSELYKYKVVKIEPLGVAPTKAKRRVVQREKRAVGMLGAMFLGFLGAAGS
TMGATSMALTVQARQLLSGIVQQQNNLLRAIKAQQHLLQLTVWGIKQLQARILAVERYLK
DQQLLGFWGCSGKLICTTAVPWNASWSNKTLDQIWNNMTWMEWDREIDNYTHLIYTLIEE
SQNQQEKNQQELLQLDKWASLWTWSDITKWLWYIKIFIMIVGGLIGLRIVFAVLSIVNRV
RQGYSPLSFQTLLPNPRGPDRPEGTEEGGGERGRDGSTRLVHGFLALVWDDLRSLCLFSY
HRLRDLLLIVARIVELLGRRGWEVLKYWWNLLQYWSQELKNSAVSLVNVTAIAVAEGTDR
VIEVVQRIYRAFLHIPRRIRQGFERALL