HydrolysisCatalysisKineticsAmino Acid SequenceModels, MolecularMolecular Sequence DataBinding SitesMutagenesis, Site-DirectedSubstrate SpecificityProtein ConformationCatalytic DomainEscherichia coliProtein BindingProtein Structure, TertiaryCrystallography, X-RayStructure-Activity RelationshipSequence Homology, Amino AcidHydrogen-Ion ConcentrationBiocatalysisBase SequenceMutationAdenosine TriphosphateRecombinant ProteinsAmino Acid SubstitutionProtein Structure, SecondaryCysteineHistidineSequence AlignmentModels, ChemicalCloning, MolecularAmino AcidsBacterial ProteinsMolecular StructureMagnetic Resonance SpectroscopyLysineChromatography, High Pressure LiquidAdenosine TriphosphatasesConserved SequencePeptide FragmentsAspartic AcidPeptidesHydrogen BondingEnzyme StabilityCattleCircular DichroismThermodynamicsOxidation-ReductionElectrophoresis, Polyacrylamide GelStereoisomerismAlanineGuanosine TriphosphateMagnesiumTemperatureAmino Acid MotifsArginineEscherichia coli ProteinsDrug ResiduesProton-Translocating ATPasesMutagenesisEstersTryptophanProtein FoldingDimerizationCell LineDNAMolecular ConformationPhosphatidylinositolsTrypsinPoint MutationMolecular WeightTyrosineEnzyme ActivationSerineAdenosine DiphosphateSpectrometry, FluorescenceAsparaginePhosphatesPesticide ResiduesRecombinant Fusion ProteinsDNA PrimersSaccharomyces cerevisiaeProtonsChemistryProtein Structure, QuaternaryMass SpectrometryPhosphorylationChromatography, GelCell MembraneChemical PhenomenaGlycoside HydrolasesCarboxylic Ester HydrolasesProteinsDiethyl PyrocarbonateSpectrophotometry, UltravioletAntibodies, CatalyticDisulfidesLigandsOligosaccharidesNuclear Magnetic Resonance, BiomolecularMacromolecular Substances