PyrimidinesPyrimidine NucleotidesPyrimidine DimersPyrimidine NucleosidesDeoxyribonuclease (Pyrimidine Dimer)Pyrimidine PhosphorylasesOrotic AcidOrotate PhosphoribosyltransferaseUltraviolet RaysUracilPurinesDihydroorotaseDeoxyribodipyrimidine Photo-LyaseUridineAspartate CarbamoyltransferasePurine NucleotidesCarbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing)Orotidine-5'-Phosphate DecarboxylaseUridine PhosphorylaseCytidineDihydroorotate OxidaseUracil NucleotidesUridine KinasePentosyltransferasesThymineNucleosidesUridine MonophosphateDNA RepairPurine NucleosidesUridine TriphosphateDeoxyribonucleosidesDNADeoxyuridinePurine-Pyrimidine Metabolism, Inborn ErrorsBase SequenceRibonucleosidesNucleotidesThiamineCarbamyl PhosphateNucleic Acid ConformationOxidoreductases Acting on CH-CH Group DonorsEscherichia coliAzauridineMolecular Sequence DataDNA DamageKineticsCytosineCytosine NucleotidesN-Glycosyl HydrolasesEndodeoxyribonucleasesCytidine TriphosphateThymidineDihydrouracil Dehydrogenase (NADP)AdenineNucleotidasesPhosphoribosyl Pyrophosphate5'-NucleotidaseOligonucleotidesMutationRibonucleotidesDeoxycytidine MonophosphateXeroderma PigmentosumSubstrate SpecificityMolecular StructurePhosphonoacetic AcidFloxuridineStructure-Activity RelationshipFolic Acid AntagonistsOligodeoxyribonucleotidesDCMP DeaminaseGuanosineDNA GlycosylasesRadiation EffectsThymine NucleotidesPhosphotransferasesBromouracilNucleoside Transport ProteinsCarbamoyl-Phosphate Synthase (Ammonia)3-DeazauridineIsoxazolesThymidine MonophosphateDeoxycytosine NucleotidesModels, MolecularPhotochemistryUridine DiphosphateMicrococcusEndonucleasesPyrimidinonesThymidylate SynthaseNucleoside-Phosphate KinaseDose-Response Relationship, RadiationAspartic AcidDeoxyribonucleotidesGuanineBase PairingMagnetic Resonance SpectroscopyBromodeoxycytidineBinding SitesHypoxanthinesNucleotide Transport Proteins