Amino Acids, NeutralLarge Neutral Amino Acid-Transporter 1Amino AcidsAspartameAmino Acids, CyclicAmino Acid Transport SystemsTryptophanRationalizationPhenylalanineDihydroxyphenylalanineAmino Acid Transport Systems, NeutralLeucineBlood-Brain BarrierAntigens, CD98Biological TransportPhenylketonuriasAmino Acids, Branched-ChainAmino Acid Transport System ASCBrainAmino Acid Transport System AAminoisobutyric AcidsSequence Homology, Amino AcidDietary ProteinsTyrosineSerotoninAmino Acid SequenceHartnup DiseaseBiological Transport, ActiveAmino Acid Transport Systems, BasicAlanineKineticsCloning, MolecularAmino Acid Transport System LAmino Acid SubstitutionSodiumAntigens, CD98 Heavy ChainAmino Acids, DiaminoAmino Acids, EssentialMolecular Sequence DataCarrier ProteinsAntigens, CD98 Light ChainsMutationBase Sequencebeta-AlanineHydrogen-Ion ConcentrationProlineSequence AlignmentGlycineSubstrate SpecificityIsoleucineMutagenesis, Site-DirectedDNA, ComplementaryMembrane Transport ProteinsGlutamineBinding SitesValineAmino Acid Transport System y+Cell LineArginineEscherichia coliStructure-Activity RelationshipRecombinant ProteinsXenopus laevisCystineProtein ConformationAmino Acid MotifsLysineMethionineModels, MolecularCell MembraneOocytesProtein BindingRNA, MessengerIon TransportSerineProtein Structure, TertiaryNorleucineDNANeutral RedMembrane ProteinsSequence Homology, Nucleic AcidCattlePeptide FragmentsAmino Acids, AromaticRabbitsThreonineBacterial ProteinsCysteineAspartic AcidMolecular WeightAmino Acid Transport System y+LAmino Acids, SulfurStereoisomerismDipeptidesPeptidesProtein TransportCells, CulturedMicrovilli4-ChloromercuribenzenesulfonateDNA Primers