>6nhr_F mol:protein length:176 Hemagglutinin HA2 chainGLFGAIAGFIENGWEGMIDGWYGFRHQNSEGTGQAADLKSTQAAFDQINGKLNRVIEKTNEKFHQIEKEFSEVEGRIQDLEKYVEDTKIDLWSYNAELLVALENQHTIDLTDSEMNKLFEKTGRQLRENAEDMGNGCFKIYHKCDNACIESIRNGTYDHDVYRDEALNNRFQIKGV