3-Isopropylmalate Dehydrogenase2-Isopropylmalate SynthaseAlcohol OxidoreductasesThermus thermophilusThermusMalatesIsomerasesGlucosinolatesEnzyme StabilityOxo-Acid-LyasesHydro-LyasesLeucineValeratesIsocitrate DehydrogenaseClostridium kluyveriThiobacillusHot TemperatureAconitate HydrataseSulfolobusSubstrate SpecificityEscherichia coliMutagenesis, Site-DirectedMolecular Sequence DataAmino Acid SequenceSequence AlignmentProtein DenaturationCrystallography, X-RayModels, MolecularCloning, MolecularProtein ConformationGenes, BacterialMutation