UracilUracil-DNA GlycosidaseSubstrate SpecificityDNA GlycosylasesUracil NucleotidesN-Glycosyl HydrolasesKineticsMolecular Sequence DataNucleotide Transport ProteinsDeoxyuracil NucleotidesAmino Acid SequenceEscherichia coliBromouracilPentosyltransferasesBinding SitesThymineCatalysisBase SequenceModels, MolecularDNA RepairUracil MustardUridine MonophosphateHydrolysisDeaminationMutationCytosineProtein BindingUridine PhosphorylaseDNAUridineDihydrouracil Dehydrogenase (NADP)Hydrogen-Ion ConcentrationRecombinant ProteinsArabinofuranosyluracilTegafurThiouracilCatalytic DomainStructure-Activity RelationshipPhosphorylationDihydropyrimidine Dehydrogenase DeficiencySequence Homology, Amino AcidThymine DNA GlycosylaseMolecular StructureCell LineProtein Structure, TertiaryBiological TransportOxidation-ReductionPyrimidine NucleosidesProtein ConformationCrystallography, X-RayMutagenesis, Site-DirectedP-GlycoproteinPyrimidinesMembrane Transport ProteinsBacterial ProteinsDeoxyuridineSaccharomyces cerevisiaeOrotidine-5'-Phosphate DecarboxylaseChromatography, High Pressure LiquidCloning, MolecularStereoisomerismEscherichia coli ProteinsModels, ChemicalPyrophosphatasesAdenosine TriphosphateOrotic AcidOrotate Phosphoribosyltransferase