>9zrx_e mol:protein length:153 Envelope gp41 ectodomainAVGIGAVRRGFLGAAGSTMGAASITLTVQARQLLSGIVQPQNNLLRAPEAQQHLLKLGVWGIKQLQARVLAVERYLRDQQLLGIWGCSGKLICCTNVPWNSSWSNKSLDEIWNNMTWLQWDKEIGNYTQLIYRLIEESQNQQEKNEKELLALD