Protein Interaction MappingProtein BindingLeucine ZippersTwo-Hybrid System TechniquesMolecular Sequence DataAmino Acid SequenceProtein Structure, TertiaryBinding SitesModels, MolecularProtein ConformationTranscription FactorsBase SequenceCell LineLeucyl AminopeptidaseKeto AcidsIsoleucineAmino AcidsLeucine DehydrogenaseAmino Acids, Branched-ChainValineBasic-Leucine Zipper Transcription FactorsLeucine Transaminase2-Isopropylmalate SynthasePhenylalanineCarbon IsotopesKineticsProtein BiosynthesisMutationRNA, Transfer, LeuNorleucineProteinsAmino Acids, EssentialMutagenesis, Site-DirectedGlutamineAlanineDNA-Binding ProteinsSequence Homology, Amino AcidEscherichia coliNitrogenG-Box Binding FactorsCaproatesDimerizationPentanoic AcidsInsulinMuscle ProteinsLeucine-tRNA LigaseOxidation-ReductionTransaminasesNutritional RequirementsProlineCarbon RadioisotopesStructure-Activity RelationshipTritiumPellagraDietary ProteinsAmino Acid SubstitutionLysineLeucine-Responsive Regulatory ProteinMethionineGlucoseLiverOxo-Acid-LyasesRecombinant Fusion ProteinsThreonine3-Isopropylmalate DehydrogenaseBiological TransportDNACystinyl AminopeptidaseIsovaleryl-CoA DehydrogenaseDeuteriumBasic Helix-Loop-Helix Leucine Zipper Transcription FactorsRecombinant ProteinsGlycinePeptidesBacterial ProteinsMuscle, SkeletalNitrogen IsotopesTranscription, GeneticAminopeptidasesDicarboxylic AcidsDecarboxylationTOR Serine-Threonine KinasesElectrophoresis, Polyacrylamide GelProtein Structure, SecondaryTryptophanCarrier Proteins3-Methyl-2-Oxobutanoate Dehydrogenase (Lipoamide)Sequence AlignmentRNA, MessengerPlasmidsAcetolactate SynthaseSubstrate SpecificityHydro-LyasesProto-Oncogene Proteins c-junDNA, ComplementaryAmino Acid MotifsAmino Acid Transport SystemsPoint MutationCells, CulturedRibosomal Protein S6 Kinases