MetalloproteinsChemical EngineeringMetalloexopeptidasesZincCarbonic AnhydrasesMetalsCobaltHydrogenaseCatalytic DomainCatalysisEnzymesModels, MolecularCopperBiocatalysisManganeseNickelIronBinding SitesMolecular StructureMolecular Sequence DataAmino Acid SequenceMetalloendopeptidasesProtein ConformationCrystallography, X-RayKineticsLigandsOxidation-ReductionSuperoxide DismutaseModels, ChemicalOxygenSubstrate SpecificityBacterial ProteinsEscherichia coli