NucleosidesNucleotidesPurine NucleosidesPyrimidine NucleosidesRibonucleotidesNucleoside Transport ProteinsCytidine TriphosphateUracil NucleotidesCytosine NucleotidesNucleoside-Diphosphate KinaseAdenosine TriphosphateNucleoside-TriphosphataseDeoxyribonucleotidesEquilibrative Nucleoside Transporter 1KineticsGuanosine TriphosphatePurine NucleotidesEthenoadenosine TriphosphateUridineDeoxyguanine NucleotidesThioinosineThymine NucleotidesPurine-Nucleoside PhosphorylaseDeoxyadenine NucleotidesUridine TriphosphateEscherichia coliGuanosinePyrophosphatasesSubstrate SpecificityDNA-Directed RNA PolymerasesInosineDeoxycytosine NucleotidesTemplates, GeneticNM23 Nucleoside Diphosphate KinasesInosine TriphosphateMagnesiumCytidineDeoxyribonucleosidesAdenosine TriphosphatasesHydrolysisAdenine NucleotidesApyraseRibonucleosidesMolecular Sequence DataPhosphatesDNA-Directed DNA PolymeraseNucleoside QDNAPhosphorus RadioisotopesFormycinsRNAEquilibrative-Nucleoside Transporter 2PolyphosphatesCytidine MonophosphatePhosphoric Monoester HydrolasesBase SequenceRNA NucleotidyltransferasesPhosphotransferasesAdenosineAdenosine MonophosphateGuanine NucleotidesThymidineTritiumReverse Transcriptase InhibitorsCations, DivalentPhosphorus IsotopesPolyribonucleotidesPentosyltransferasesDiphosphatesBinding SitesHydrogen-Ion ConcentrationBacteriophage phi 6DeoxyadenosinesAdenosine DiphosphateTranscription, GeneticAdenineMagnetic Resonance SpectroscopyEquilibrative Nucleoside Transport ProteinsMutationAmino Acid SequenceDideoxynucleotidesArabinonucleosidesStructure-Activity RelationshipDNA ReplicationDeoxycytidine KinaseAntiviral AgentsTubercidinDeoxyuridineZidovudineOligonucleotidesSarcosineDideoxynucleosidesManganeseDNA, ViralPurinesCarbon IsotopesElectrophoresis, Polyacrylamide GelChromatographyDilazepCell Line