UracilUracil-DNA GlycosidaseUracil NucleotidesN-Glycosyl HydrolasesDNA GlycosylasesNucleotide Transport ProteinsDeoxyuracil NucleotidesBromouracilThymineMolecular StructurePentosyltransferasesStructure-Activity RelationshipUracil MustardCytosineUridine MonophosphateDeaminationEscherichia coliUridineKineticsUridine PhosphorylaseArabinofuranosyluracilMolecular Sequence DataMagnetic Resonance SpectroscopyDihydrouracil Dehydrogenase (NADP)TegafurThiouracilDNA RepairDihydropyrimidine Dehydrogenase DeficiencyPyrimidine NucleosidesDNAStereoisomerismBase SequenceThymine DNA GlycosylaseDeoxyuridineMutationSubstrate SpecificityIndicators and ReagentsOrotidine-5'-Phosphate DecarboxylasePyrimidinesOrotic AcidOrotate PhosphoribosyltransferaseChromatography, High Pressure LiquidAmino Acid SequenceAdenineBinding SitesModels, MolecularChemistryNucleosidesSpectrophotometry, UltravioletHematoporphyrin DerivativeSulfitesChemical PhenomenaMolecular ConformationPyrophosphatasesCell LineChromatography, Thin LayerPlasmidsCytidineCytidine DeaminasePyrimidine NucleotidesFolic Acid DeficiencySpectrophotometry, InfraredPentoxylFluorouracilDNA DamageMass SpectrometryThymidine MonophosphateProtein BindingInhibitory Concentration 50DNA, BacterialHydroxyphenylazouracilBacterial ProteinsDNA-(Apurinic or Apyrimidinic Site) LyaseDose-Response Relationship, DrugGas Chromatography-Mass Spectrometry