ThyminePyrimidinesPyrimidine DimersPyrimidine NucleotidesPyrimidine NucleosidesThymine DNA GlycosylaseCytosine DeaminaseUracilDeoxyribonuclease (Pyrimidine Dimer)5-MethylcytosineDNAUltraviolet RaysDeaminationThymine NucleotidesDNA-Cytosine MethylasesBase SequenceCytidineBromouracilDeoxyribodipyrimidine Photo-LyaseGuaninePurinesPentoxylDNA RepairPyrimidine PhosphorylasesAdenineOrotic AcidNucleosidesCytosineOsmium TetroxideUridineNucleic Acid ConformationThymidineCytosine NucleotidesEndodeoxyribonucleasesEscherichia coliCytarabineN-Glycosyl HydrolasesOrotate PhosphoribosyltransferaseMolecular Sequence DataOligodeoxyribonucleotidesFlucytosineBase PairingSulfitesDNA DamageDNA GlycosylasesDihydroorotaseDeoxyribonucleosidesDeoxyuridineOligonucleotidesDNA MethylationPurine NucleotidesNucleoside DeaminasesPentosyltransferasesPotassium PermanganateUracil NucleotidesAspartate CarbamoyltransferaseKineticsMutationCarbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing)Orotidine-5'-Phosphate DecarboxylasePurine NucleosidesSubstrate SpecificityUridine PhosphorylaseDNA, BacterialBase CompositionNucleotidesDNA (Cytosine-5-)-MethyltransferaseUridine KinaseDihydroorotate OxidaseBase Pair MismatchOsmiumUracil-DNA GlycosidaseUridine MonophosphateDeoxycytidine MonophosphateDNA ReplicationMethylationNucleic Acid DenaturationModels, MolecularHydrogen BondingPolydeoxyribonucleotidesUridine TriphosphateGuanosineMolecular StructureDihydrouracil Dehydrogenase (NADP)RibonucleosidesPhotochemistryCytidine TriphosphateRadiation EffectsDNA-Directed DNA PolymeraseBinding SitesDeoxyriboseTritiumFloxuridineMagnetic Resonance SpectroscopyStructure-Activity RelationshipCpG IslandsNucleic Acid HeteroduplexesDeoxyribonucleotidesPurine-Pyrimidine Metabolism, Inborn Errors2-Aminopurine