MetalsCatalysisKineticsModels, MolecularBinding SitesBiocatalysisCatalytic DomainSubstrate SpecificityZincCrystallography, X-RayMolecular Sequence DataAmino Acid SequenceCobaltMutagenesis, Site-DirectedManganeseProtein ConformationCopperMetals, AlkaliEscherichia coliHydrogen-Ion ConcentrationCations, DivalentNickelModels, ChemicalRNA, CatalyticHistidineMetals, Alkaline EarthMagnesiumProtein BindingMolecular StructureOxidation-ReductionHydrolysisProtein Structure, TertiaryIronRecombinant ProteinsBase SequenceStructure-Activity RelationshipSequence Homology, Amino AcidStereoisomerismIonsMutationChromiumEnzyme StabilityHydrogen BondingAntibodies, CatalyticAmino Acid SubstitutionChelating AgentsBacterial ProteinsThermodynamicsMetalloproteinsProtein Structure, SecondaryCoordination ComplexesCysteineEnzymesAspartic AcidSequence AlignmentLeadMolecular ConformationMercurySoil PollutantsPalladiumTemperatureElectron Spin Resonance SpectroscopySpectrophotometryProtonsCloning, MolecularMagnetic Resonance SpectroscopyMetals, Rare EarthNucleic Acid ConformationOxidoreductasesAdenosine TriphosphateConserved SequenceCationsMetal Ceramic AlloysCircular DichroismSpectrophotometry, UltravioletSulfhydryl CompoundsSpectrophotometry, AtomicEdetic AcidLigandsWaterDimerizationApoenzymesLysineCrystallizationProtein Structure, QuaternaryElectronsEscherichia coli ProteinsPhosphatesSpectrometry, FluorescenceProton-Translocating ATPasesHemeOrganometallic CompoundsCyclizationOxygenFerrous CompoundsAlkenesNADPMetals, LightDNAProtein Folding