GuanosinePyrimidine NucleotidesNucleosidesPurine NucleotidesNucleotidesPyrimidinesPyrimidine NucleosidesUridine TriphosphateOrotic AcidGuanineGuanine NucleotidesUracil NucleotidesOrotate PhosphoribosyltransferaseUridine MonophosphateDihydroorotaseAspartate CarbamoyltransferasePyrimidine DimersPurine NucleosidesUridineMolecular Sequence DataOrotidine-5'-Phosphate DecarboxylaseCarbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing)Uridine KinaseCytidineCytidine TriphosphateUracilCytosine NucleotidesPentosyltransferasesNucleoside Transport ProteinsBase SequenceRibonucleotidesGuanine Nucleotide Exchange FactorsAmino Acid SequenceKineticsDihydroorotate OxidaseUridine DiphosphateAdenosine TriphosphatePurinesAdenine NucleotidesEscherichia coli5'-NucleotidaseGuanosine TriphosphateNucleotide Transport ProteinsDNA3-DeazauridinePolymorphism, Single NucleotideSubstrate SpecificityPhosphoribosyl PyrophosphateNucleic Acid ConformationPhosphonoacetic AcidCarbamoyl-Phosphate Synthase (Ammonia)Equilibrative Nucleoside Transporter 1Deoxycytidine MonophosphateCloning, MolecularNucleotidasesOrganomercury CompoundsBinding SitesAdenosine DiphosphateModels, Molecularortho-AminobenzoatesMutationPolymerase Chain ReactionReceptors, Purinergic P2PhosphotransferasesThymidineCell LinePurine-Nucleoside PhosphorylaseThioinosineOxidoreductases Acting on CH-CH Group DonorsRNAPyrimidine PhosphorylasesInosineStructure-Activity RelationshipAdenineAspartic AcidRibonucleosidesGuanosine DiphosphateUltraviolet RaysNucleotides, CyclicNucleoside-Diphosphate KinaseSequence Analysis, DNASequence Homology, Nucleic AcidGuanine DeaminaseDeoxyribonuclease (Pyrimidine Dimer)Thymine NucleotidesDeoxyribonucleosidesAdenosineTranscription, GeneticCatalytic DomainSequence Homology, Amino AcidRNA, MessengerCells, CulturedOligonucleotidesDNA RepairRho Guanine Nucleotide Exchange FactorsUridine PhosphorylaseProtein BindingGenesCytosineSequence Alignment