Base SequencePyrimidinesPyrimidine NucleotidesPyrimidine DimersPyrimidine NucleosidesMolecular Sequence DataAmino Acid SequenceDeoxyribonuclease (Pyrimidine Dimer)Models, MolecularPyrimidine PhosphorylasesBinding SitesOrotic AcidMutagenesis, Site-DirectedUltraviolet RaysUracilOrotate PhosphoribosyltransferaseKineticsProtein ConformationMutationEscherichia coliPurinesStructure-Activity RelationshipDihydroorotaseDeoxyribodipyrimidine Photo-LyaseUridineSequence Homology, Amino AcidProtein Structure, TertiaryAspartate CarbamoyltransferaseProtein BindingSubstrate SpecificityPurine NucleotidesDNACarbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing)Orotidine-5'-Phosphate DecarboxylaseUridine PhosphorylaseCytidineProtein Structure, SecondaryAmino Acid SubstitutionDihydroorotate OxidaseUracil NucleotidesRecombinant ProteinsSequence AlignmentCrystallography, X-RayPentosyltransferasesCysteineUridine KinaseAmino AcidsNucleosidesUridine MonophosphateDNA RepairMagnetic Resonance SpectroscopyCloning, MolecularThyminePurine NucleosidesUridine TriphosphateDrug ResiduesDeoxyribonucleosidesAspartic AcidCell LineHistidineCatalysisPeptide FragmentsMolecular StructureDeoxyuridineNucleic Acid ConformationCatalytic DomainLysineHydrogen BondingCircular DichroismNucleotidesHydrogen-Ion ConcentrationPesticide ResiduesConserved SequencePeptidesBacterial ProteinsMutagenesisPurine-Pyrimidine Metabolism, Inborn ErrorsChromatography, High Pressure LiquidOligodeoxyribonucleotidesRibonucleosidesArginineCytosineThiamineOligonucleotidesCarbamyl PhosphateOxidoreductases Acting on CH-CH Group DonorsN-Glycosyl HydrolasesPoint MutationDNA DamagePhosphorylationAlanineEscherichia coli ProteinsPlasmidsElectrophoresis, Polyacrylamide GelAmino Acid MotifsRecombinant Fusion ProteinsEndodeoxyribonucleasesHydrolysisTryptophanModels, Chemical