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 AcidsBiological TransportHartnup DiseaseAmino Acid SequenceLeucineAmino Acid Transport Systems, BasicAlaninePhenylalanineCloning, MolecularKineticsAmino Acid SubstitutionAmino Acids, CyclicSodiumAmino Acids, EssentialAntigens, CD98 Heavy ChainAmino Acids, DiaminoTryptophanMolecular Sequence DataBiological Transport, ActiveAntigens, CD98 Light ChainsCarrier ProteinsAntigens, CD98Base SequenceHydrogen-Ion Concentrationbeta-AlanineMutationAmino Acids, Branched-ChainProlineSequence AlignmentGlycineDNA, ComplementarySubstrate SpecificityIsoleucineMutagenesis, Site-DirectedCell LineValineGlutamineBinding SitesCell MembraneAmino Acid Transport System y+ArginineBlood-Brain BarrierRecombinant ProteinsStructure-Activity RelationshipAmino Acid MotifsXenopus laevisCystineMethionineLysineEscherichia coliProtein ConformationModels, MolecularRNA, MessengerSerineOocytesAspartameNorleucineProtein BindingProtein Structure, TertiaryDNAAmino Acid Transport System LNeutral RedRabbitsDietary ProteinsPeptide FragmentsSequence Homology, Nucleic AcidAmino Acids, AromaticKidneyMembrane ProteinsCattleThreonineMicrovilliBrainAmino Acids, SulfurAmino Acid Transport System y+LMolecular WeightCysteineMembrane Transport ProteinsAspartic AcidTyrosinePeptidesDipeptidesCells, CulturedStereoisomerismRationalizationDihydroxyphenylalanineDNA PrimersTransfectionBacterial ProteinsNeutral Ceramidase4-ChloromercuribenzenesulfonateCell Polarity