Leucine ZippersSubstrate SpecificityKineticsMolecular Sequence DataAmino Acid SequenceLeucyl AminopeptidaseBinding SitesAmino AcidsKeto AcidsModels, MolecularCatalysisEscherichia coliIsoleucineProtein BindingBase SequenceHydrolysisMutationLeucine DehydrogenaseRecombinant ProteinsMutagenesis, Site-DirectedSequence Homology, Amino AcidHydrogen-Ion ConcentrationProtein ConformationProtein Structure, TertiaryCatalytic DomainValineStructure-Activity RelationshipOxidation-ReductionCrystallography, X-RayAmino Acids, Branched-ChainPhosphorylationPhenylalanineBacterial ProteinsCell LineBasic-Leucine Zipper Transcription FactorsCarbon IsotopesElectrophoresis, Polyacrylamide GelSequence AlignmentAmino Acid SubstitutionProteinsPeptidesMolecular WeightLiverBiological TransportLeucine TransaminaseAdenosine TriphosphateEnzyme ActivationGlucoseMolecular StructureAlanineStereoisomerismRecombinant Fusion ProteinsGlutamineModels, ChemicalCattle2-Isopropylmalate SynthaseTemperatureProtein Structure, SecondarySaccharomyces cerevisiaeCarrier ProteinsLysineDNAOligopeptidesProtein BiosynthesisModels, BiologicalEscherichia coli ProteinsCloning, MolecularAmino Acid MotifsDimerizationChromatography, High Pressure LiquidSubstrate CyclingIsoenzymesEndopeptidasesDNA-Binding ProteinsCells, CulturedTime FactorsDNA PrimersProtein KinasesPlasmidsEnzyme StabilityArginineTyrosineInsulinChromatography, GelEnzyme InhibitorsOxidoreductasesProlineCarbon RadioisotopesSaccharomyces cerevisiae ProteinsSignal TransductionAlcohol OxidoreductasesThreonineMembrane ProteinsMagnetic Resonance SpectroscopyCell MembraneTranscription FactorsDNA, ComplementaryPhosphoproteinsAminopeptidasesSerine