>8ur7_B mol:protein length:423 Trimer head HA,Hemagglutinin HA1 chainMDSKGSSQKGSRLLLLLVVSNLLLPQGVLAIAPLQLGNCSVAGWILGNPECELLISKESWSYIVETPNPENGTCFPGYFADYEELRCQLSSVSSFERFEIFPKESSWPNHTVTGVSASCSHNGKSSFYRNLLWLTGKNGLYPNLSKSYVNNKEKEVLVLWGVHHPPNIGNQRALYHTENAYVLVVSSHYDRVFTPIIAKRPKVRDQEGRINYYWTLLEPGDTIIFEANGNLIAPWYAFALSRGFGSGSGSCIENINSKIYHIEDKIEEINRKIEHILSKIYHIERKIEEILNEIAELAYLLGELAYKLGEYRIAIRAYRIALKSDPNNAEAWYNLGNAYYKQGRYREAIEYYQKALELDPNNAEAWYNLGNAYYERGEYEEAIEYYRKALRLDPNNADAMQNLLNAKMREEGGWELQHHHHHH