>4we7_A mol:protein length:284 Hemagglutinin HA1 chainADLGSELVQSSSTGEICNSPHQILDGENCTLIDALLGDPQCDGFQNKKWDLFVERSKAHSNCYPYDVPDYASLRSLVASSGTLEFNNESFNWTGVTQNGTSSACIRRSNNSFFSRLNWLTHLNFKYPALNVTMPNNEQFDKLYIWGVHHPGTDKDQIFLYAQAAGRITVSTKRSQQAVIPNVGSRPRVRNIPSRVSIYWTIVKPGDILLINSTGNLIAPRGYFKIRSGKSSIMRSDAPIGKCNSACITPNGSIPNDKPFQNVNRITYGACPRYSKQNSGRLVPR