>4nrl_C mol:protein length:346 Hemagglutinin HA1 chainDRICTGITSSNSPHVVKTATQGEVNVTGVIPLTTTPTRSHFANLKGTQTRGKLCPNCFNCTDLDVALGRPKCMGNIPSAKVSILHEVKPVTSGCYPIMHDRTKIRQLPNLLRGYENIRLSTSNVINTETAPGGPYKVGTSGSCPNVTNGNGFFNTMAWVIPKDNNKIAINPVTVEVPYICSEGEDQITVWGFHSDDKTQMERLYGDSNPQKFTSSANGVTTHYVSQIGGFPNQTEDEGLKQSGRIVVDYMVQKPGKTGTIVYQRGILLPQKVWCASGRSKVIKGSLPLIGEADCLHEKYGGLNKSKPYYTGEHAKAIGNCPIWVKTPLKLANGTKYRPPAKLLKER