Nucleobase Transport ProteinsHypoxanthineEquilibrative-Nucleoside Transporter 2HypoxanthinesEquilibrative Nucleoside Transporter 1Purine NucleosidesNucleoside Transport ProteinsThioinosineProkaryotic CellsMembrane Transport ProteinsBiological TransportFatty Acid Transport ProteinsBiological Transport, ActiveCarrier ProteinsNucleosidesMolecular Sequence DataMonosaccharide Transport Proteins