Pyrimidine NucleotidesUridine TriphosphateUracil NucleotidesCytidinePurine NucleotidesNucleotidesCytosine NucleotidesUridinePyrimidinesUridine KinaseAdenosine TriphosphateCytidine DeaminasePurinergic AgonistsReceptors, Purinergic P2Y2Receptors, Purinergic P2Orotic AcidUridine MonophosphatePyrimidine NucleosidesUridine PhosphorylaseCytidine TriphosphateOrotate PhosphoribosyltransferaseDihydroorotasePurinergic P2 Receptor AgonistsAspartate CarbamoyltransferaseOrotidine-5'-Phosphate DecarboxylasePyrimidine DimersCarbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing)UracilReceptors, PurinergicUridine DiphosphateRibonucleotidesDihydroorotate Oxidase3-DeazauridineNucleosidesMolecular Sequence DataPentosyltransferasesCytidine MonophosphateGuanosine TriphosphateKinetics5'-NucleotidasePhosphonoacetic AcidGuanine NucleotidesNucleotide Transport ProteinsCells, CulturedEscherichia coliPurinesPhosphoribosyl PyrophosphateBase SequenceDeoxycytidine MonophosphateCalciumCarbamoyl-Phosphate Synthase (Ammonia)Substrate SpecificityOrganomercury CompoundsAmino Acid SequenceDNANucleotidasesAdenine NucleotidesPhosphotransferasesNucleic Acid Conformationortho-AminobenzoatesThymidineOxidoreductases Acting on CH-CH Group DonorsRNAAdenosine DiphosphateAspartic AcidUridine Diphosphate SugarsBinding SitesModels, MolecularCell LineStructure-Activity RelationshipPyrimidine PhosphorylasesPolymorphism, Single NucleotideDeaminationCytidine DiphosphateMutationDeoxyribonuclease (Pyrimidine Dimer)Ultraviolet RaysThymine NucleotidesCytidine Diphosphate DiglyceridesRibonucleosidesDeoxyribonucleotidesCatalytic DomainCloning, MolecularDeoxyuridineGuanosineRNA EditingDeoxycytosine NucleotidesDeoxyribonucleosidesUridine Diphosphate GlucoseNucleoside DeaminasesSomatic Hypermutation, ImmunoglobulinCytidine Diphosphate CholineCytosine DeaminasePurine NucleosidesEnzyme InhibitorsImmunoglobulin Class SwitchingTranscription, GeneticDNA RepairDeoxyribodipyrimidine Photo-LyaseGuanosine 5'-O-(3-Thiotriphosphate)