Amino Acid Transport SystemsAmino Acid Transport System LAmino Acid Transport Systems, BasicAmino AcidsBiological TransportAminoisobutyric AcidsAmino Acid Transport System AAmino Acid Transport Systems, NeutralBiological Transport, ActiveAmino Acid Transport System ASCLeucineAmino Acid Transport System y+beta-AlanineAntigens, CD98Amino Acids, NeutralAmino Acids, CyclicAmino Acids, Branched-ChainCarrier ProteinsSodiumKineticsPhenylalanineAlanineAmino Acid Transport System y+LMembrane Transport Proteins4-ChloromercuribenzenesulfonateGlutamineProlineCystineIsoleucineFatty Acid Transport ProteinsAmino Acid SequenceSubstrate SpecificityValineArginineLysineMolecular Sequence DataLeucine-tRNA LigaseCloning, MolecularMutationSequence Homology, Amino AcidCell MembraneAmino Acid Transport Systems, AcidicHydrogen-Ion ConcentrationEscherichia coliTryptophanGlutamatesXenopus laevisBase SequenceOocytesHistidineCell LineTaurocholic AcidDicarboxylic AcidsRNA, MessengerBacterial ProteinsSensitivity and SpecificityRats, Inbred StrainsEthylmaleimideLarge Neutral Amino Acid-Transporter 1Cells, CulturedAmino Acids, DiaminoGlycineGenes, BacterialAntigens, CD98 Light ChainsLiverCystinuriaAntigens, CD98 Heavy ChainAmino Acid SubstitutionHartnup DiseaseGlucoseDinitrophenolsCarbon RadioisotopesCulture MediaMembrane ProteinsMicrovilliMethionineMethylglucosidesIleumSequence AlignmentPseudomonadaceaePhenylacetatesMethyltyrosinesBinding SitesCycloheximideSymportersDNA, ComplementaryIon TransportProtein TransportStereoisomerismAxonal TransportAspartic AcidAmino Acid Transport System X-AGStructure-Activity RelationshipMonosaccharide Transport ProteinsSpecies SpecificityCarbon IsotopesProtein BindingTemperatureMutagenesis, Site-DirectedTime Factors