Amino Acids, NeutralAmino AcidsAmino Acid Transport Systems, NeutralAmino Acid Transport SystemsAmino Acid Transport System ASCLarge Neutral Amino Acid-Transporter 1Sequence Homology, Amino AcidAmino Acid Transport System AAminoisobutyric AcidsAmino Acid SequenceHartnup DiseaseBiological TransportLeucineKineticsAlanineAmino Acid Transport Systems, BasicPhenylalanineCloning, MolecularAmino Acid SubstitutionMolecular Sequence DataAmino Acids, CyclicTryptophanAmino Acids, DiaminoAmino Acids, EssentialAntigens, CD98 Heavy ChainBinding SitesSodiumCarrier ProteinsBase SequenceBiological Transport, ActiveAntigens, CD98 Light ChainsProtein BindingAntigens, CD98MutationSubstrate SpecificityHydrogen-Ion ConcentrationMutagenesis, Site-Directedbeta-AlanineSequence AlignmentAmino Acids, Branched-ChainRecombinant ProteinsProlineStructure-Activity RelationshipDNA, ComplementaryGlycineCell LineModels, MolecularIsoleucineProtein ConformationValineGlutamineEscherichia coliChromatography, AffinityArginineProtein Structure, TertiaryBinding, CompetitiveAmino Acid MotifsAmino Acid Transport System y+Blood-Brain BarrierXenopus laevisLysineDNACystineMethioninePeptide FragmentsSerineCell MembraneRNA, MessengerCattleOocytesMolecular WeightNorleucineAspartamePeptidesRabbitsSequence Homology, Nucleic AcidBrainNeutral RedAmino Acid Transport System LThreonineDietary ProteinsAmino Acids, AromaticElectrophoresis, Polyacrylamide GelBacterial ProteinsCysteineStereoisomerismAspartic AcidMembrane ProteinsRecombinant Fusion ProteinsDNA PrimersTransfectionTyrosineAmino Acids, SulfurCells, CulturedMembrane Transport ProteinsDipeptidesProtein Structure, SecondaryAmino Acid Transport System y+LRationalizationDihydroxyphenylalanine