>tr|Q9YYZ1|Q9YYZ1_9HIV1 Env polyprotein (Fragment) OS=Human immunodeficiency virus 1 OX=11676 GN=env PE=1 SV=1
NLLRAIEAQQHLLQLTVWGIKQLQARILAVERYLKDQQLLGIWGCSGKHICTTNVPWNSS
WSNKSIXEIWNNMTWMEWEREIDNYTXIIYXLIEESQIQQDKNEQELLQLDNWASLWNWF
SITNWLWYI