>7al9_D mol:protein length:87 GTP cyclohydrolase 1 feedback regulatory proteinGSHMPYLLISTQIRMEVGPTMVGDEQSDPELMQHLGASKRRALGNNFYEYYVDDPPRIVLDKLERRGFRVLSMTGVGQTLVWCLHKE