UracilUracil-DNA GlycosidaseUracil NucleotidesN-Glycosyl HydrolasesDNA GlycosylasesDeoxyuracil NucleotidesNucleotide Transport ProteinsProtein BiosynthesisKineticsEscherichia coliDNAThymineUridineMolecular Sequence DataBromouracilPentosyltransferasesBase SequenceStereoisomerismMolecular StructureProtein Synthesis InhibitorsMutationRNA, MessengerDNA ReplicationUridine MonophosphateTritiumCells, CulturedUracil MustardCytosineCell LineCarbon IsotopesDNA RepairCycloheximideDeaminationThymidineLeucineUridine PhosphorylaseCyclizationRNAAmino Acid SequenceTranscription, GeneticArabinofuranosyluracilDihydrouracil Dehydrogenase (NADP)ThiouracilBacterial ProteinsTegafurLiverOrotic AcidDactinomycinRNA, BacterialCell-Free SystemPyrimidine NucleosidesDihydropyrimidine Dehydrogenase DeficiencyDeoxyuridineTime FactorsSubstrate SpecificityMagnetic Resonance SpectroscopyCatalysisStructure-Activity RelationshipAmino AcidsThymine DNA GlycosylaseChemistry Techniques, SyntheticCarbon RadioisotopesNucleosidesCulture MediaDNA, ViralCell DivisionDNA-Directed DNA PolymeraseTemperatureDNA, BacterialPyrimidinesAdeninePuromycinPeptide BiosynthesisPlasmidsOrotidine-5'-Phosphate DecarboxylaseViral ProteinsIndicators and ReagentsCloning, MolecularOrotate PhosphoribosyltransferaseVirus ReplicationSaccharomyces cerevisiaeChloramphenicolChemistry, OrganicTemplates, GeneticOligonucleotidesRNA, ViralPyrophosphatasesMethionineElectrophoresis, Polyacrylamide GelMolecular WeightBacillus subtilisModels, MolecularFibroblastsPyrimidine NucleotidesNucleotidesDNA DamageDose-Response Relationship, DrugChromatography, High Pressure LiquidNucleic Acid ConformationGene Expression Regulation