Amino Acids, NeutralAmino Acid Transport Systems, NeutralAmino AcidsAmino Acid Transport SystemsAmino Acid Transport System ASCLarge Neutral Amino Acid-Transporter 1Amino Acid Transport System AAminoisobutyric AcidsHartnup DiseaseBiological TransportLeucineAmino Acid Transport Systems, BasicPhenylalanineAlanineSequence Homology, Amino AcidAmino Acid SequenceAntigens, CD98 Heavy ChainAmino Acids, CyclicKineticsAmino Acids, DiaminoTryptophanSodiumAntigens, CD98 Light ChainsAntigens, CD98Biological Transport, ActiveCloning, Molecularbeta-AlanineAmino Acids, EssentialMolecular Sequence DataAmino Acid SubstitutionCarrier ProteinsProlineBlood-Brain BarrierGlycineAmino Acid Transport System y+Amino Acids, Branched-ChainHydrogen-Ion ConcentrationValineIsoleucineGlutamineBase SequenceAspartameXenopus laevisCystineMutationArginineSubstrate SpecificityNorleucineOocytesDNA, ComplementaryAmino Acid Transport System LSerineMutagenesis, Site-DirectedMethionineSequence AlignmentLysineBinding SitesRationalizationCell LineAmino Acid Transport System y+LStructure-Activity RelationshipDietary ProteinsDihydroxyphenylalanineRecombinant ProteinsBrainThreonineRNA, Messenger4-ChloromercuribenzenesulfonateRNA, ComplementaryProtein ConformationStereoisomerismModels, MolecularCell MembraneTyrosineDNAProtein BindingMicrovilliDipeptidesGlutamatesGlutamate Plasma Membrane Transport ProteinsCattleRabbitsXenopusCystinuriaAmino Acid Transport System X-AGMembrane Transport ProteinsCysteineProtein Structure, TertiaryPhenylketonuriasAspartic AcidHypertonic SolutionsAmino Acid MotifsCarbon RadioisotopesEscherichia coliHepatic EncephalopathyKidneyCells, CulturedHistidineMembrane ProteinsGlutamic Acid