>7xy0_B mol:protein length:203 Hemagglutinin/protease regulatory proteinMDASIEKRPRTRLSPQKRKLQLMEIALEVFAKRGIGRGGHADIAEIAQVSVATVFNYFPTREDLVDDVLNFVVRQFSNFLTDHIDLDLDVKTNLQTLCKEMVKLAMTDCHWLKVWFEWSASTRDEVWPLFVSTNRTNQLLIRNMFMKAMERGELCEKHDVDNMASLFHGICYSIFLQVNRLGEQEAVYKLADSYLNMLCIYKN