MetalloproteinsZincMetalsAzurinChemistry, BioinorganicCopperRubredoxinsModels, MolecularChemical EngineeringIronOxidation-ReductionMetalloexopeptidasesCobaltBinding SitesAmino Acid SequenceApoproteinsMetallothioneinMolecular Sequence DataProtein ConformationCarbonic AnhydrasesCysteineManganesePhenanthrolinesThermodynamicsElectron TransportCadmiumKineticsHydrogenaseCrystallography, X-RayProtein EngineeringCatalytic DomainIron-Sulfur ProteinsCatalysisSpectrum AnalysisEdetic AcidEnzymesBiocatalysisBacterial ProteinsEscherichia coliCircular DichroismNickelCations, DivalentMagnetic Resonance SpectroscopyElectron Spin Resonance SpectroscopyMolecular StructureMetalloendopeptidasesLigandsSuperoxide DismutaseModels, Chemical