Amino Acids, NeutralAmino AcidsAmino Acid Transport Systems, NeutralAmino Acid Transport SystemsAmino Acid Transport System ASCLarge Neutral Amino Acid-Transporter 1Amino Acid Transport System AAminoisobutyric AcidsSequence Homology, Amino AcidHartnup DiseaseAmino Acid SequenceLeucineBiological TransportAmino Acid Transport Systems, BasicAlaninePhenylalanineCloning, MolecularAmino Acid SubstitutionKineticsAmino Acids, CyclicAmino Acids, EssentialAntigens, CD98 Heavy ChainAmino Acids, DiaminoTryptophanSodiumMolecular Sequence DataAntigens, CD98 Light ChainsBiological Transport, ActiveAntigens, CD98Carrier Proteinsbeta-AlanineAmino Acids, Branched-ChainBase SequenceMutationProlineSequence AlignmentHydrogen-Ion ConcentrationGlycineIsoleucineSubstrate SpecificityDNA, ComplementaryMutagenesis, Site-DirectedValineGlutamineBinding SitesAmino Acid Transport System y+ArginineBlood-Brain BarrierStructure-Activity RelationshipRecombinant ProteinsCystineAmino Acid MotifsCell LineXenopus laevisEscherichia coliLysineMethionineProtein ConformationModels, MolecularSerineAspartameNorleucineOocytesDNARNA, MessengerProtein BindingNeutral RedAmino Acid Transport System LDietary ProteinsProtein Structure, TertiaryAmino Acids, AromaticSequence Homology, Nucleic AcidPeptide FragmentsThreonineCattleAmino Acids, SulfurBrainCell MembraneAspartic AcidMolecular WeightCysteineAmino Acid Transport System y+LRabbitsStereoisomerismRationalizationPeptidesDihydroxyphenylalanineTyrosineDipeptidesNeutral CeramidaseBacterial ProteinsMembrane ProteinsDNA PrimersPhylogenyMembrane Transport ProteinsRestriction Mapping4-ChloromercuribenzenesulfonateRNA, ComplementaryAmino Acid Transport System X-AGElectrophoresis, Polyacrylamide Gel