Amino Acids, NeutralAmino AcidsAmino Acid Transport Systems, NeutralAmino Acid Transport SystemsAmino Acid Transport System ASCLarge Neutral Amino Acid-Transporter 1Amino Acid Transport System ASequence Homology, Amino AcidAminoisobutyric AcidsHartnup DiseaseBiological TransportAmino Acid SequenceLeucineAmino Acid Transport Systems, BasicSodiumAlaninePhenylalanineCloning, MolecularKineticsAmino Acid SubstitutionAmino Acids, CyclicAmino Acids, DiaminoAmino Acids, EssentialAntigens, CD98 Heavy ChainTryptophanBiological Transport, ActiveAbsorptionMolecular Sequence DataAntigens, CD98 Light ChainsAntigens, CD98Carrier ProteinsBase SequenceHydrogen-Ion Concentrationbeta-AlanineAmino Acids, Branched-ChainMutationProlineSequence AlignmentGlycineKidneyIsoleucineDNA, ComplementarySubstrate SpecificityKidney Tubules, ProximalMutagenesis, Site-DirectedValineGlutamineBinding SitesArginineXenopus laevisAmino Acid Transport System y+Kidney TubulesBlood-Brain BarrierStructure-Activity RelationshipRecombinant ProteinsCystineCell LineLysineAmino Acid MotifsEscherichia coliMethionineOocytesProtein ConformationRNA, MessengerModels, MolecularSerineAspartameNorleucineKidney Tubules, DistalProtein BindingDietary ProteinsDNANeutral RedAmino Acid Transport System LProtein Structure, TertiaryRabbitsPeptide FragmentsAmino Acids, AromaticSequence Homology, Nucleic AcidCell MembraneMicrovilliThreonineCattleAmino Acids, SulfurBrainSymportersAspartic AcidMolecular WeightCysteineAmino Acid Transport System y+LPeptidesMembrane ProteinsDipeptidesStereoisomerismRationalizationDihydroxyphenylalaninePotassiumCystinuriaMembrane Transport ProteinsRats, Inbred Strains