>7mfg_D mol:protein length:222 Hemagglutinin HA2 chainGLFGAIAGFIEGGWTGMVDGWYGYHHQNEQGSGYAADQKSTQNAINCITNKVNSVIEKMNTQFTAVGKEFNKLERRMENLNKKVDDGFLDIWTYNAELLVLLENERTLDFHDSNVKNLYEKVKSQLKNNAKEIGNGCFEFYHKCNNECMESVKNGTYDYPKYSEESKLNREKIDGVSGRLVPRGSPGSGYIPEAPRDGQAYVRKDGEWVLLSTFLGHHHHHH