CatalysisKineticsBiocatalysisModels, MolecularCatalytic DomainBinding SitesSubstrate SpecificityMolecular Sequence DataCrystallography, X-RayAmino Acid SequenceMutagenesis, Site-DirectedProtein ConformationEscherichia coliModels, ChemicalHydrogen-Ion ConcentrationMolecular StructureRNA, CatalyticBase SequenceProtein Structure, TertiaryProtein BindingHydrolysisHistidineStructure-Activity RelationshipMutationRecombinant ProteinsSequence Homology, Amino AcidStereoisomerismOxidation-ReductionAntibodies, CatalyticHydrogen BondingEnzymesSequence AlignmentAmino Acid SubstitutionProtein Structure, SecondaryEnzyme StabilityThermodynamicsMetalsAspartic AcidBacterial ProteinsMolecular ConformationMagnesiumConserved SequenceCloning, MolecularCysteineProtonsNucleic Acid ConformationOxidoreductasesAdenosine TriphosphateTemperatureSpectrophotometryLysineProton-Translocating ATPasesManganeseComputer SimulationCyclizationDimerizationMagnetic Resonance SpectroscopyAlkenesProtein Structure, QuaternaryFlavinsNADPArginineCrystallizationProtein FoldingDNAEscherichia coli ProteinsEvolution, MolecularLigandsOxygenDNA PrimersQuantum TheoryFlavin-Adenine DinucleotideWaterChemistry, OrganicIminesPhosphatesNADZincPalladiumElectron Spin Resonance SpectroscopyAsparagineDiethyl PyrocarbonateHemeSaccharomyces cerevisiaeEnzyme ActivationElectronsAlgorithmsAmino Acid MotifsPhylogenyCircular DichroismHydrogenSpectrophotometry, UltravioletLewis AcidsStatic ElectricityMutagenesisIsomerismAlanineSulfhydryl CompoundsSolventsChromatography, High Pressure Liquid