Nucleobase Transport ProteinsPyrimidine NucleosidesHypoxanthinePurine NucleosidesNucleosidesEquilibrative-Nucleoside Transporter 2Nucleoside Transport ProteinsPyrimidine PhosphorylasesEquilibrative Nucleoside Transporter 1ThioinosineHypoxanthinesPyrimidine NucleotidesPyrimidinesUridine PhosphorylaseUridinePentosyltransferasesDeoxyuridineCytidineMembrane Transport ProteinsUridine KinaseBiological TransportDilazepPyrimidine DimersPurinesFatty Acid Transport ProteinsDeoxyribonucleosidesGuanosineKineticsUracilRibonucleosidesThymidineBiological Transport, ActiveCarrier ProteinsFloxuridineNucleotidesMolecular Sequence DataThymidine KinaseThymidine PhosphorylaseHymenolepisTrifluridineUracil NucleotidesEquilibrative Nucleoside Transport ProteinsSubstrate SpecificityHeterocyclic Compounds, 2-RingTubercidinAdenosineNucleoside-Phosphate KinaseDipyridamoleBase SequenceAdenineAmino Acid SequenceDNAMolecular StructureMonosaccharide Transport ProteinsStructure-Activity RelationshipAntiviral AgentsPhosphotransferases