>7ugn_D mol:protein length:129 Envelope glycoprotein gp41VFLGFLGAAGSTMGAASMTLTVQARNLLSLLKLTVWGIKQLQARVLAVERYLRDQQLLGIWGCSGKLICCTNVPWNSSWSNRNLSEIWDNMTWLQWDKEISNYTQIIYGLLEESQNQQEKNEQDLLALD