ZincZinc FingersZinc SulfateZinc CompoundsZinc AcetateBinding SitesZinc OxideIon ChannelsModels, MolecularAmino Acid SequenceMolecular Sequence DataZinc IsotopesIonsCrystallography, X-RayChelating AgentsKineticsMetalsIon Channel GatingProtein ConformationProtein BindingCopperMetallothioneinCations, DivalentSubstrate SpecificityIon TransportCobaltStructure-Activity RelationshipCadmiumProtein Structure, TertiaryEthylenediaminesCatalysisCationsHydrogen-Ion ConcentrationFactor XIIaMolecular StructureIon-Selective ElectrodesHistidineSequence Homology, Amino AcidProtein Structure, SecondaryDitiocarbCatalytic DomainEdetic AcidMutagenesis, Site-DirectedLigandsMetalloproteinsCarbonic AnhydrasesCysteineNickelHeavy IonsAeromonas hydrophilaFactor XIIRecombinant ProteinsEscherichia coliMutationMengovirusDose-Response Relationship, DrugCadmium PoisoningSequence AlignmentCalciumMagnesiumDrug DesignManganeseBase SequenceApoenzymesModels, ChemicalPrekallikreinPotassiumCadmium ChloridePotentiometryCell LineBacterial ProteinsTime FactorsLeucine-tRNA LigaseSodiumBinding, CompetitiveAlcohol DehydrogenaseProtonsCarboxypeptidases APeptidesStereoisomerismMembrane PotentialsDimerizationWaterThermodynamicsDNAIronCircular DichroismKininogensAnionsX-Ray DiffractionPhenanthrolinesMagnetic Resonance SpectroscopyCation Transport ProteinsModels, BiologicalMetalloendopeptidasesSulfoglycosphingolipidsCattleDNA-Binding ProteinsCrystallizationAmino Acid Substitution