Purine-Nucleoside PhosphorylasePurine NucleosidesPentosyltransferasesInosinePurinesNucleosidesPhosphorylasesRibosemonophosphatesUridine PhosphorylaseFormycinsPyrimidine PhosphorylasesGuanosinePurine-Pyrimidine Metabolism, Inborn ErrorsAdenosine DeaminasePyrimidinonesDeoxyguanine NucleotidesNucleoside DeaminasesHypoxanthineDeoxyguanosineMethylthioinosinePhosphorylase KinaseVidarabine PhosphatePhosphorylase bArsenatesDeoxyadenosinesPhosphorylase aProdrugsHypoxanthinesPurine NucleotidesPyrimidine NucleosidesDeoxyribonucleosidesAdenineAdenosine Deaminase InhibitorsThymidine PhosphorylaseKineticsImmunologic Deficiency SyndromesRiboseSubstrate SpecificityPentosephosphatesArsenite Transporting ATPasesErythrocytesIon PumpsAdenosineGuanineAdenine PhosphoribosyltransferaseRibonucleosidesPhosphatesGlycogen PhosphorylaseNucleoside Transport ProteinsNucleotidasesEscherichia coliHypoxanthine PhosphoribosyltransferasePyrrolidinesPhosphotransferasesCatalytic DomainCrystallography, X-RayLeukemia, LymphoidUridineMolecular Sequence DataN-Glycosyl HydrolasesModels, MolecularPhosphorylase PhosphataseDNA NucleotidylexotransferasePolyribonucleotide NucleotidyltransferaseAmino Acid SequenceEnzyme InhibitorsBiocatalysisPyrrolesCatalysisEquilibrative Nucleoside Transporter 1Molecular StructureInosine MonophosphateProtein ConformationThioinosineAcyclovirLymphocytesMolecular WeightHydrogen-Ion ConcentrationNucleotidesFloxuridineStructure-Activity RelationshipThionucleosidesPentostatinBinding SitesGuanosine TriphosphateGlycogen Phosphorylase, Liver FormBase SequenceT-LymphocytesAdenosine MonophosphateArabinonucleosidesCloning, MolecularGuanine Deaminase5'-NucleotidaseCattleGlycogen Phosphorylase, Muscle FormMutationModels, ChemicalSequence Homology, Amino AcidSpleenChromatography, High Pressure Liquid