GuanosinePyrimidine NucleotidesNucleosidesPurine NucleotidesPyrimidinesPyrimidine NucleosidesNucleotidesUridine TriphosphateOrotic AcidGuanineUracil NucleotidesOrotate PhosphoribosyltransferaseDihydroorotaseUridine MonophosphateGuanine NucleotidesAspartate CarbamoyltransferasePyrimidine DimersPurine NucleosidesUridineOrotidine-5'-Phosphate DecarboxylaseCarbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing)Uridine KinaseCytidineUracilCytidine TriphosphateCytosine NucleotidesPentosyltransferasesNucleoside Transport ProteinsMolecular Sequence DataDihydroorotate OxidaseKineticsRibonucleotidesUridine DiphosphatePurinesGuanine Nucleotide Exchange Factors5'-Nucleotidase3-DeazauridineAdenosine TriphosphateNucleotide Transport ProteinsEscherichia coliBase SequenceGuanosine TriphosphatePhosphoribosyl PyrophosphatePhosphonoacetic AcidSubstrate SpecificityCarbamoyl-Phosphate Synthase (Ammonia)Amino Acid SequenceEquilibrative Nucleoside Transporter 1DNADeoxycytidine MonophosphateOrganomercury CompoundsNucleotidasesNucleic Acid Conformationortho-AminobenzoatesModels, MolecularThymidineAdenine NucleotidesPhosphotransferasesThioinosineOxidoreductases Acting on CH-CH Group DonorsPurine-Nucleoside PhosphorylasePyrimidine PhosphorylasesReceptors, Purinergic P2Binding SitesAdenosine DiphosphateAspartic AcidStructure-Activity RelationshipInosineCell LineMutationAdenineRibonucleosidesRNANucleoside-Diphosphate KinaseGuanine DeaminaseCloning, MolecularDeoxyribonuclease (Pyrimidine Dimer)Polymorphism, Single NucleotideDeoxyribonucleosidesUltraviolet RaysCatalytic DomainAdenosineUridine PhosphorylaseGuanosine DiphosphateNucleoside QCells, CulturedCytosineFormycinsDNA RepairMolecular StructureThymine NucleotidesOligonucleotidesDeoxyuridineEquilibrative-Nucleoside Transporter 2Rho Guanine Nucleotide Exchange FactorsNucleoside-TriphosphataseEnzyme InhibitorsProtein BindingThymineDeoxyadenosines