GuanosineRibosePyrimidine NucleotidesNucleosidesPurine NucleotidesPyrimidinesPyrimidine NucleosidesNucleotidesUridine TriphosphateOrotic AcidGuanineUracil NucleotidesOrotate PhosphoribosyltransferaseUridine MonophosphateDihydroorotaseGuanine NucleotidesUridinePurine NucleosidesAspartate CarbamoyltransferasePyrimidine DimersUridine KinaseOrotidine-5'-Phosphate DecarboxylaseCarbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing)CytidineUracilCytidine TriphosphatePentosyltransferasesCytosine NucleotidesNucleoside Transport ProteinsMolecular Sequence DataRibonucleotidesDihydroorotate OxidaseKineticsPurinesUridine DiphosphateGuanine Nucleotide Exchange Factors5'-NucleotidasePhosphoribosyl Pyrophosphate3-DeazauridineNucleotide Transport ProteinsAdenosine TriphosphateEscherichia coliBase SequenceGuanosine TriphosphateSubstrate SpecificityPhosphonoacetic AcidCarbamoyl-Phosphate Synthase (Ammonia)Equilibrative Nucleoside Transporter 1Amino Acid SequenceDNADeoxycytidine MonophosphateRibosemonophosphatesNucleic Acid ConformationOrganomercury CompoundsNucleotidasesPhosphotransferasesortho-AminobenzoatesPurine-Nucleoside PhosphorylaseAdenine NucleotidesInosineModels, MolecularThymidineThioinosineReceptors, Purinergic P2Structure-Activity RelationshipOxidoreductases Acting on CH-CH Group DonorsPyrimidine PhosphorylasesBinding SitesRibonucleosidesAdenosine DiphosphateAdenineAspartic AcidRNACell LineMutationAdenosineGuanine DeaminaseNucleoside-Diphosphate KinaseCloning, MolecularDeoxyribonuclease (Pyrimidine Dimer)DeoxyribonucleosidesPolymorphism, Single NucleotideUltraviolet RaysCatalytic DomainUridine PhosphorylaseGuanosine DiphosphateOligonucleotidesNucleoside QFormycinsPentosephosphatesCytosineDeoxyadenosinesCells, CulturedCarbohydratesThymine NucleotidesDeoxyuridineMolecular StructureEquilibrative-Nucleoside Transporter 2Rho Guanine Nucleotide Exchange FactorsEnzyme Inhibitors