>9o5w_F mol:protein length:181 Hemagglutinin HA2 chainDSISTRGLFGAIAGFLEGGWDGMIAGWHGYSSTGDHGTKVAADLVSTQKAMDAITARINNMNKMTERAFSVTDSTMQEIQKEIKDLDKKIDDVRADETAAQIEMIVLLENENIINAEDEHVHALKQKLTKMLGPSAQDMGDGCFIVDHQCKEDCLREIVSGNYTPSKYGMDEFKSPIITGT