GuanosinePyrimidine NucleotidesNucleosidesPurine NucleotidesPyrimidinesPyrimidine NucleosidesNucleotidesUridine TriphosphateOrotic AcidGuanineUracil NucleotidesOrotate PhosphoribosyltransferaseUridine MonophosphateDihydroorotaseUridineGuanine NucleotidesAspartate CarbamoyltransferasePurine NucleosidesPyrimidine DimersCarbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing)Orotidine-5'-Phosphate DecarboxylaseUridine KinaseCytidineUracilCytidine TriphosphateCytosine NucleotidesPentosyltransferasesMolecular Sequence DataNucleoside Transport ProteinsKineticsDihydroorotate OxidaseRibonucleotidesPurinesUridine DiphosphateEscherichia coliGuanine Nucleotide Exchange FactorsBase Sequence5'-Nucleotidase3-DeazauridineAdenosine TriphosphateNucleotide Transport ProteinsDNAGuanosine TriphosphatePhosphonoacetic AcidPhosphoribosyl PyrophosphateAmino Acid SequenceCarbamoyl-Phosphate Synthase (Ammonia)Substrate SpecificityEquilibrative Nucleoside Transporter 1Deoxycytidine MonophosphateThymidineOrganomercury CompoundsNucleotidasesNucleic Acid Conformationortho-AminobenzoatesAdenine NucleotidesPhosphotransferasesCell LineStructure-Activity RelationshipPurine-Nucleoside PhosphorylaseOxidoreductases Acting on CH-CH Group DonorsRNAThioinosineMutationModels, MolecularPyrimidine PhosphorylasesReceptors, Purinergic P2InosineAdenosine DiphosphateAspartic AcidBinding SitesRibonucleosidesAdenineCells, CulturedCloning, MolecularUltraviolet RaysNucleoside-Diphosphate KinaseDeoxyribonucleosidesMolecular StructureGuanine DeaminaseDeoxyribonuclease (Pyrimidine Dimer)Polymorphism, Single NucleotideProtein BiosynthesisAdenosineRNA, MessengerUridine PhosphorylaseCatalytic DomainTranscription, GeneticGuanosine DiphosphateOligonucleotidesThymine NucleotidesEnzyme InhibitorsNucleoside QCytosineFormycinsDeoxyuridineThymineDNA RepairStereoisomerismDeoxyadenosines