Leucine ZippersAmino AcidsSequence Homology, Amino AcidLeucyl AminopeptidaseAmino Acid SubstitutionIsoleucineMolecular Sequence DataKeto AcidsAmino Acids, EssentialAmino Acid SequenceBase SequenceCloning, MolecularValineLeucine DehydrogenaseMutationAmino Acid Transport SystemsKineticsEscherichia coliMutagenesis, Site-DirectedBinding SitesSequence AlignmentAmino Acid MotifsAmino Acids, Branched-ChainStructure-Activity RelationshipProtein BiosynthesisProtein ConformationModels, MolecularDNA, ComplementaryRecombinant ProteinsProteinsProtein BindingAlanineBasic-Leucine Zipper Transcription FactorsProtein Structure, TertiaryCarbon IsotopesAmino Acids, AromaticDNALeucine TransaminaseCell LinePeptidesPeptide FragmentsSequence Homology, Nucleic AcidBacterial ProteinsGlutamineSubstrate SpecificityRecombinant Fusion Proteins2-Isopropylmalate SynthaseLysineMolecular WeightNitrogenAmino Acids, SulfurElectrophoresis, Polyacrylamide GelPhenylalanineProtein Structure, SecondaryRNA, MessengerPlasmidsProlineBiological TransportMethionineDNA-Binding ProteinsRestriction MappingCarrier ProteinsGlycineLeucineTranscription FactorsDNA PrimersConserved SequenceDietary ProteinsGenes, BacterialPhylogenySequence Analysis, DNALiverAmino Acyl-tRNA SynthetasesTranscription, GeneticThreonineAmino Acid Transport Systems, NeutralNorleucineTryptophanCodonArginineDimerizationCattlePoint MutationTransaminasesSaccharomyces cerevisiaeSpecies SpecificityOxidation-ReductionChromatography, High Pressure LiquidMacromolecular SubstancesTransfectionMutagenesisAmino Acid Transport Systems, BasicGenesRNA, Transfer, LeuNutritional RequirementsMuscle ProteinsGlucoseInsulinAmino Acids, CyclicTrypsin