Enzymes, ImmobilizedSepharoseKineticsChromatography, AffinityBinding SitesProtein BindingSubstrate SpecificityHydrogen-Ion ConcentrationMolecular Sequence DataModels, MolecularAmino Acid SequenceCrystallography, X-RayBase SequenceProtein Structure, TertiaryBinding, CompetitiveEscherichia coliRecombinant ProteinsLigandsCell LineElectrophoresis, Polyacrylamide GelMolecular WeightDNABacterial ProteinsDNA-Binding ProteinsCarrier ProteinsAntibodies, MonoclonalMacromolecular SubstancesSpectrometry, FluorescenceRabbitsPeptide FragmentsStructure-Activity RelationshipMutationPeptidesProtein Structure, SecondaryRecombinant Fusion ProteinsSequence Homology, Amino AcidPromoter Regions, GeneticTranscription FactorsAdenosine TriphosphateMutagenesis, Site-DirectedDimerizationMagnetic Resonance SpectroscopyCatalysisReceptors, Cell SurfaceHydrolysisModels, ChemicalChromatography, GelTranscription, GeneticMembrane ProteinsCells, CulturedMolecular StructureMagnesiumCloning, MolecularCatalytic DomainNucleic Acid ConformationAdenosine DiphosphateTemperatureEpitopesMolecular ConformationModels, BiologicalHydrogen Bonding