Uridine TriphosphateUracil NucleotidesNucleosidesNucleotidesAdenosine TriphosphateCytosine NucleotidesPyrimidine NucleotidesPurinergic AgonistsReceptors, Purinergic P2Y2UridineRibonucleotidesReceptors, Purinergic P2Cytidine TriphosphateGuanosine TriphosphateUridine PhosphorylasePurinergic P2 Receptor AgonistsPurine NucleosidesDeoxyribonucleotidesUridine KinaseReceptors, PurinergicNucleoside-Diphosphate KinasePyrimidine NucleosidesNucleoside-TriphosphataseKineticsEthenoadenosine TriphosphateNucleoside Transport ProteinsPurine NucleotidesDeoxyguanine NucleotidesDeoxyadenine NucleotidesThymine NucleotidesPyrophosphatasesInosine TriphosphateEscherichia coliDeoxycytosine NucleotidesCalciumDNA-Directed RNA PolymerasesSubstrate SpecificityMagnesiumTemplates, GeneticEquilibrative Nucleoside Transporter 1CytidineAdenosine TriphosphatasesApyraseAdenine NucleotidesHydrolysisGuanine NucleotidesRNAPolyphosphatesThioinosineUridine MonophosphatePhosphatesPhosphorus RadioisotopesGuanosineDNA-Directed DNA PolymeraseCells, CulturedRNA NucleotidyltransferasesPhosphoric Monoester HydrolasesMolecular Sequence DataAdenosine MonophosphatePhosphotransferasesDeoxyribonucleosidesCytidine MonophosphatePhosphorus IsotopesNM23 Nucleoside Diphosphate KinasesAdenosine DiphosphateBase SequenceCations, DivalentDNAPurine-Nucleoside PhosphorylaseUridine Diphosphate SugarsDiphosphatesBinding SitesRibonucleosidesPolyribonucleotidesTranscription, GeneticInosineHydrogen-Ion ConcentrationUridine DiphosphateTritiumBacteriophage phi 6Magnetic Resonance SpectroscopyDideoxynucleotidesFormycinsManganeseAdenosineSarcosineDeoxyuracil NucleotidesAmino Acid SequenceMutationStructure-Activity RelationshipDNA ReplicationPentosyltransferasesCarcinoma, Ehrlich TumorDNA, ViralOligonucleotidesEquilibrative-Nucleoside Transporter 2ChromatographyCell-Free SystemThymidineReverse Transcriptase Inhibitors