>6v6w_K mol:protein length:140 Envelope glycoprotein gp41AVGIGAVFLGFLGAAGSTMGAASMTLTVQARNLLSGNPDWLPDMTVWGIKQLQARVLAVERYLRDQQLLGIWGCSGKLICCTNVPWNSSWSNRNLSEIWDNMTWLQWDKEISNYTQIIYGLLEESQNQQEKNEQDLLALD