UracilAmino Acid SubstitutionUracil-DNA GlycosidaseMolecular Sequence DataUracil NucleotidesDNA GlycosylasesN-Glycosyl HydrolasesAmino Acid SequenceMutationBase SequenceNucleotide Transport ProteinsDeoxyuracil NucleotidesMutagenesis, Site-DirectedBromouracilThymineEscherichia coliPentosyltransferasesPoint MutationModels, MolecularStructure-Activity RelationshipCytosineKineticsDNABinding SitesUracil MustardUridine MonophosphateDeaminationMutagenesisEvolution, MolecularSequence AlignmentUridineUridine PhosphorylaseSubstrate SpecificityDNA RepairDihydrouracil Dehydrogenase (NADP)TegafurArabinofuranosyluracilSequence Homology, Amino AcidThiouracilProtein ConformationDihydropyrimidine Dehydrogenase DeficiencyMutation, MissensePhylogenyProtein BindingThymine DNA GlycosylaseProtein Structure, TertiaryDNA Mutational AnalysisCodonCell LineAlanineSequence Analysis, DNARecombinant ProteinsPyrimidine NucleosidesCloning, MolecularDNA PrimersDeoxyuridineGenetic VariationPolymerase Chain ReactionPlasmidsOrotidine-5'-Phosphate DecarboxylaseProtein Structure, SecondaryAdenineCatalysisModels, GeneticNucleic Acid ConformationBacterial ProteinsOrotic AcidOrotate PhosphoribosyltransferasePyrimidinesNucleotidesConserved SequencePhenotypePyrophosphatasesArginineAmino AcidsMolecular StructureAllelesSulfitesDNA, BacterialCytidine DeaminaseSaccharomyces cerevisiaePentoxylOligodeoxyribonucleotidesCatalytic DomainAspartic AcidGlycineGuanineNucleosidesSpecies SpecificityCysteinePyrimidine NucleotidesBase CompositionDNA, ViralDNA-(Apurinic or Apyrimidinic Site) LyaseSelection, GeneticEscherichia coli ProteinsVirus ReplicationDrug SubstitutionCrystallography, X-RayCytidine