LeucineAmino AcidsNicotinic AcidsAmino Acid SequenceSequence Homology, Amino AcidLeucine ZippersAminoisobutyric AcidsMolecular Sequence DataAmino Acid SubstitutionCloning, MolecularAmino Acid Transport SystemsBase SequenceAmino Acids, Branched-ChainSequence AlignmentEscherichia coliMutationAlanineProteinsPhylogenyKineticsGlycineAmino Acids, EssentialDNA, ComplementaryCarbon IsotopesNitrogenBinding SitesGlutamineProtein ConformationModels, MolecularEvolution, MolecularMutagenesis, Site-DirectedStructure-Activity RelationshipSequence Homology, Nucleic AcidPhenylalanineRecombinant ProteinsProlineLysinePeptidesSubstrate SpecificityProtein Structure, TertiarySequence Analysis, ProteinPeptide FragmentsBiological TransportProtein BiosynthesisBacterial ProteinsMolecular WeightProtein Bindingbeta-AlanineAmino Acid MotifsIsoleucineDNAProtein Structure, SecondaryCodonConserved SequenceChromatography, High Pressure LiquidBiological Transport, ActiveCell LineMethionineSequence Analysis, DNAGenes, BacterialSpecies SpecificityLeucyl AminopeptidaseDietary ProteinsPlasmidsAmino Acids, AromaticCattleOpen Reading FramesRNA, MessengerKeto AcidsDNA PrimersValineGlucosePlant ProteinsSwineLiverHydrogen-Ion ConcentrationGlutamic AcidAmino Acids, SulfurSaccharomyces cerevisiaeMultigene FamilyInsulinPolymerase Chain ReactionRecombinant Fusion ProteinsMusclesGene ExpressionGlutamatesRestriction MappingTemperatureElectrophoresis, Polyacrylamide GelIleumModels, GeneticDatabases, ProteinAnimal FeedSelection, GeneticCarrier ProteinsTime FactorsLeucine DehydrogenaseAmino Acid Transport Systems, BasicAlgorithmsAmino Acids, Basic