CatalysisBiocatalysisKineticsModels, MolecularCatalytic DomainBinding SitesSubstrate SpecificityCrystallography, X-RayMolecular Sequence DataMutagenesis, Site-DirectedAmino Acid SequenceProtein ConformationEscherichia coliModels, ChemicalHydrogen-Ion ConcentrationRNA, CatalyticHydrolysisProtein Structure, TertiaryProtein BindingHistidineMolecular StructureMutationStructure-Activity RelationshipRecombinant ProteinsBase SequenceSequence Homology, Amino AcidOxidation-ReductionAntibodies, CatalyticStereoisomerismHydrogen BondingAmino Acid SubstitutionEnzymesEnzyme StabilityAspartic AcidSequence AlignmentProtein Structure, SecondaryMetalsThermodynamicsMagnesiumMolecular ConformationCysteineBacterial ProteinsProtonsConserved SequenceCloning, MolecularAdenosine TriphosphateOxidoreductasesSpectrophotometryNucleic Acid ConformationLysineTemperatureProton-Translocating ATPasesManganeseNADPDimerizationFlavinsProtein Structure, QuaternaryArginineAlkenesCyclizationModels, BiologicalCrystallizationFlavin-Adenine DinucleotideOxygenNADMagnetic Resonance SpectroscopyPhosphatesCircular DichroismDiethyl PyrocarbonateAsparagineZincHemeIminesElectron Spin Resonance SpectroscopyEnzyme ActivationEscherichia coli ProteinsProtein FoldingDNA PrimersChemistry, OrganicWaterLewis AcidsQuantum TheoryPalladiumLigandsSaccharomyces cerevisiaeAlanineSpectrophotometry, UltravioletCobamidesHydrogenElectronsStatic ElectricityIsomerismDNASulfhydryl CompoundsMutagenesisCations, DivalentAmino Acid MotifsAldehydesChorismate MutaseOxygenases