Amino Acids, BasicAmino AcidsAminoisobutyric AcidsAmino Acid Transport SystemsAmino Acid SequenceAmino Acid Transport Systems, BasicSequence Homology, Amino AcidBiological TransportLeucineMolecular Sequence DataAmino Acids, DiaminoAmino Acid SubstitutionCloning, MolecularKineticsAmino Acid Transport System AAlanineCanavanineArginineBase SequenceMutationBiological Transport, ActiveProlineMutagenesis, Site-DirectedBinding SitesLysineCarrier ProteinsAmino Acid MotifsSequence AlignmentGlutamineEscherichia coliAmino Acids, EssentialGlycineSubstrate SpecificityRecombinant ProteinsPeptide FragmentsSodiumProtein BindingPhenylalaninePeptidesCell LineHydrogen-Ion ConcentrationProtein Structure, TertiaryStructure-Activity RelationshipDNA, ComplementaryCarbon IsotopesAspartic AcidCell MembraneModels, MolecularProtein ConformationSorbic AcidNitrogenSequence Homology, Nucleic AcidDNAMethionineAmino Acid Transport Systems, NeutralProtein BiosynthesisSaccharomyces cerevisiaeGlucoseMolecular WeightAminobutyratesProtein PrecursorsCarbon RadioisotopesRecombinant Fusion ProteinsCulture MediaLiverCells, CulturedBacterial Proteinsbeta-AlanineElectrophoresis, Polyacrylamide GelFatty Acid Transport ProteinsCycloleucinePlasmidsRNA, MessengerFatty AcidsProtein Structure, SecondaryNuclear Localization SignalsAmino Acids, AromaticCattleChromatography, High Pressure LiquidInsulinRestriction MappingAmino Acids, Branched-ChainDNA PrimersProteinsPhylogenyTransfectionAmino Acids, SulfurConserved SequenceProtein Processing, Post-TranslationalSubtilisinsGlutamatesTime FactorsMembrane ProteinsMicrovilliSpecies SpecificitySequence Analysis, DNASerineEndopeptidasesTritiumMutagenesis