>6d7r_A mol:protein length:223 Hemagglutinin/protease regulatory proteinMGSSHHHHHHSSGLVPRGSHMDASIEKRPRTRLSPQKRKLQLMEIALEVFAKRGIGRGDHADIAEIAQVSVATVFNYFPTREDLVDDVLNFVVRQYSNFLTDHIDLDLDVKTNLQTLCKEMVKLAMTDCHWLKVWFEWSASTRDEVWPLFVSTNRTNQLLIRNMFMKAMERGELCEKHDVDNMASLFHGIFYSIFLQVNRLGEQEAVYKLADSYLNMLCIYKN