Chromogenic CompoundsKineticsSubstrate SpecificityMolecular Sequence DataAmino Acid SequenceMolecular StructureBinding SitesModels, MolecularCatalysisStructure-Activity RelationshipProtein BindingHydrolysisEscherichia coliHydrogen-Ion ConcentrationCatalytic DomainCrystallography, X-RayStereoisomerismSulfur CompoundsRecombinant ProteinsOxidation-ReductionChromatography, High Pressure LiquidMagnetic Resonance SpectroscopyMutationVolatile Organic Compounds