IsoleucineLeucine ZippersValineAmino AcidsAmino Acids, Branched-ChainLeucineThreonine DehydrataseMolecular Sequence DataAmino Acid SequenceProteasome Endopeptidase ComplexThreonineKeto AcidsMutationIsoleucine-tRNA LigasePeptide PHIAcetolactate SynthaseHydro-LyasesLeucyl AminopeptidaseProteolysisKineticsUbiquitinBase SequenceAmino Acids, EssentialEscherichia coliBiodegradation, EnvironmentalTransaminasesRNA, Transfer, IleMethioninePhenylalanineCell Line2-Isopropylmalate SynthaseUbiquitinationLeucine DehydrogenaseUbiquitin-Protein LigasesProtein BindingMultienzyme ComplexesValeratesMutagenesis, Site-DirectedEnzyme RepressionCarbon IsotopesCulture MediaLysineSubstrate SpecificityProtein BiosynthesisProtein Structure, TertiaryCysteine EndopeptidasesOxo-Acid-LyasesBinding SitesBacterial ProteinsHydrolysisSequence Homology, Amino AcidAmino Acyl-tRNA SynthetasesAmino Acid SubstitutionNitrogenAlanineUbiquitinsProteinsRNA, MessengerCells, CulturedPeptidesRecombinant ProteinsNorleucineEndoplasmic Reticulum-Associated DegradationStructure-Activity RelationshipLigasesNutritional RequirementsElectrophoresis, Polyacrylamide GelTime FactorsOxidation-ReductionProtein Processing, Post-TranslationalModels, MolecularPeptide HydrolasesCarbon RadioisotopesRecombinant Fusion ProteinsDietary ProteinsProtein ConformationCell-Free SystemDNA-Binding ProteinsSignal TransductionCarrier ProteinsHomoserine DehydrogenaseSaccharomyces cerevisiaeNitrosoguanidinesBiological TransportPlasmidsLiverPhosphorylationBasic-Leucine Zipper Transcription FactorsTranscription FactorsHydrogen-Ion ConcentrationPyruvatesTranscription, GeneticButyratesModels, BiologicalMolecular WeightGlucoseHeLa CellsTemperatureGlycineChromatography, High Pressure Liquid