ThymineUracilThymine DNA GlycosylaseUracil-DNA GlycosidaseBromouracilN-Glycosyl HydrolasesDNA GlycosylasesCytosineUracil NucleotidesThymine NucleotidesDeoxyribonuclease (Pyrimidine Dimer)PentoxylPyrimidine DimersDeoxyuracil NucleotidesDNANucleotide Transport ProteinsDNA RepairOsmium TetroxideThymidineDeaminationEndodeoxyribonucleasesEscherichia coliPotassium PermanganateAdeninePentosyltransferasesBase SequenceGuanineDihydrouracil Dehydrogenase (NADP)Pyrimidine NucleosidesUridine5-MethylcytosineDNA DamageArabinofuranosyluracilUltraviolet RaysOligodeoxyribonucleotidesUracil MustardNucleic Acid ConformationNucleosidesDeoxyuridineDNA, BacterialUridine MonophosphateMolecular Sequence DataBase Pair MismatchOligonucleotidesKineticsSubstrate SpecificityUridine PhosphorylaseMutationTegafurDNA ReplicationPyrimidinesOsmiumNucleic Acid DenaturationThiouracilDNA-(Apurinic or Apyrimidinic Site) LyaseDihydropyrimidine Dehydrogenase DeficiencyBase PairingTritiumSulfitesDeoxyribodipyrimidine Photo-LyaseDNA-Directed DNA PolymeraseNucleic Acid HeteroduplexesBase Composition2-AminopurinePyrimidine NucleotidesDeoxyribonucleosidesCarbon IsotopesThymidine MonophosphateNucleotidesDeoxycytidine MonophosphateModels, MolecularFloxuridineCytidineBacillus subtilisOrotidine-5'-Phosphate DecarboxylaseDeoxyriboseCarbon-Oxygen LyasesRNA, BacterialPolydeoxyribonucleotidesHypoxanthinePurinesHydrogen BondingOrotic AcidOrotate PhosphoribosyltransferasePhotochemistryDeoxyribonuclease IV (Phage T4-Induced)MegaloblastsHypoxanthinesFluorouracilDihydrouracil Dehydrogenase (NAD+)Binding SitesDNA, Single-StrandedBacteriophagesMagnetic Resonance SpectroscopyThymidine PhosphorylaseRadiation EffectsColiphagesChromatography, PaperEscherichia coli ProteinsDNA, Viral