Adenylosuccinate SynthaseAdenylosuccinate LyaseInosine MonophosphatePurine-Pyrimidine Metabolism, Inborn ErrorsHydantoinsLigasesInosine NucleotidesPurinesMusclesPurine NucleotidesAdenosine MonophosphateRibonucleotidesEscherichia coliKineticsGuanosine TriphosphateAspartic AcidMolecular Sequence DataAmino Acid SequenceBinding SitesLyasesBase SequenceMutagenesis, Site-DirectedMuscle ProteinsModels, MolecularMuscle, SmoothMuscle, SkeletalProtein ConformationIsoenzymes