DihydroorotaseAspartate CarbamoyltransferasePhosphonoacetic AcidCytidine TriphosphateCarbamyl PhosphateCarbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing)Aspartic AcidAllosteric RegulationEscherichia coliOrnithine CarbamoyltransferaseDihydroorotate OxidaseOrotic AcidCytosine NucleotidesAmidohydrolasesKineticsOrotidine-5'-Phosphate DecarboxylaseUridine MonophosphatePyrimidine NucleotidesUracil NucleotidesAllosteric SiteAspartate AminotransferasesMultienzyme ComplexesProtein ConformationUridine TriphosphateOrotate PhosphoribosyltransferaseSuccinatesBinding SitesHydroxymercuribenzoatesSuccinic AcidMacromolecular SubstancesX-RaysEnzyme StabilityCarbamoyl-Phosphate Synthase (Ammonia)CatalysisZincMethanococcusCatalytic DomainTriticumAmino Acid SequencePyrimidinesAdenosine TriphosphateProtein Structure, QuaternaryModels, MolecularStructure-Activity RelationshipScattering, RadiationChromatography, Ion ExchangeX-Ray DiffractionCrystallography, X-RayRazoxaneOrnithineMolecular Sequence DataMutagenesis, Site-DirectedHydrogen-Ion ConcentrationAlanineCobaltSubstrate SpecificityElectrophoresis, Polyacrylamide GelMutationLigandsMesocricetusCarcinoma, Ehrlich TumorMolecular WeightSpectrophotometryModels, ChemicalPlantsChromatography, GelPlasmidsCarbamatesGenesPeptide FragmentsGenes, Bacterial