GTP CyclohydrolaseGuanosine TriphosphateMethenyltetrahydrofolate CyclohydrolaseBiopterinAminohydrolasesGuanosinePterinsGuanosine 5'-O-(3-Thiotriphosphate)PteridinesMethylenetetrahydrofolate Dehydrogenase (NADP)Point MutationGuanine NucleotidesAdenosine TriphosphateGuanosine DiphosphateHypoxanthinesMutation, MissenseMutationNucleotide DeaminasesGTP-Binding ProteinsFormate-Tetrahydrofolate LigaseKineticsUracil NucleotidesMolecular Sequence DataCytosine NucleotidesIMP DehydrogenaseHydroxymethyl and Formyl TransferasesGTP PhosphohydrolasesAmino Acid SequencePhosphorus-Oxygen LyasesGuanylyl ImidodiphosphateEscherichia coliNucleotidesFrameshift MutationPhenylalanineRibonucleosidesBinding SitesMagnesiumProtein BindingDystoniaBase SequenceGerm-Line MutationCell LineHydrolysisAdenylate CyclaseCells, CulturedGuanosine Monophosphaterab GTP-Binding ProteinsEnzyme ActivationProtein Structure, TertiaryModels, MolecularPhosphorus IsotopesGuanosine TetraphosphatePuromycinPhosphoribosylaminoimidazolecarboxamide FormyltransferasePhosphoenolpyruvate Carboxykinase (GTP)NeopterinPertussis ToxinCell MembranePedigreeCalciumCyclic AMPCholera ToxinVirulence Factors, BordetellaRibosomesSignal TransductionAdenosine Diphosphate RibosePolymerase Chain ReactionUridine TriphosphateFormyltetrahydrofolatesDystonic DisordersRNA, TransferNucleoside QSequence Homology, Amino AcidLiverMutation RateMutagenesis, Site-DirectedRecombinant ProteinsDimethyl SuberimidateBacterial ProteinsRNA, BacterialPhosphorylationMultienzyme ComplexesCloning, MolecularExonsGuanine Nucleotide Exchange FactorsAmino Acid SubstitutionThionucleotidesTubulinParaparesis, SpasticTetrahydrofolatesCyclic GMPHeterozygoteDNA PrimersRiboflavinNitric OxideStimulation, ChemicalRNA, MessengerRecombinant Fusion ProteinsTritiumDNA Mutational Analysis