Spectrometry, Mass, Fast Atom BombardmentModels, MolecularBinding SitesDNA, CircularKineticsMolecular Sequence DataAmino Acid SequenceProtein ConformationMolecular StructureProtein BindingCrystallography, X-RayAffinity LabelsMagnetic Resonance SpectroscopyMolecular WeightModels, ChemicalCross-Linking ReagentsEscherichia coliChemistryMolecular ConformationMass SpectrometryChemical PhenomenaOxidation-ReductionElectrophoresis, Polyacrylamide GelStructure-Activity RelationshipHydrogen BondingPhotochemistryCysteineCatalysisSubstrate SpecificityChromatography, High Pressure LiquidBase SequenceDNASpectrophotometryAzidesMacromolecular SubstancesStereoisomerismSpectrum AnalysisProteinsSulfurX-Ray DiffractionElectron Spin Resonance SpectroscopyHydrogen-Ion ConcentrationCattleEnzymes, ImmobilizedBacterial ProteinsAmino AcidsNucleic Acid ConformationPeptide FragmentsProtein Structure, TertiaryWaterLigandsPeptidesHydrogenSpectrometry, FluorescenceDNA, ViralFlavinsThermodynamicsOxygen IsotopesCatalytic DomainFlavin-Adenine DinucleotideElectronsRecombinant ProteinsDisulfidesProtein Structure, SecondaryBromineSuccinimidesSpectrophotometry, UltravioletHemeSulfhydryl CompoundsBiotinHydrolysisTemperatureIndicators and ReagentsPlasmidsTritiumIronChromatography, AffinityMutationChromatography, GelAcylationTrypsinCrystallizationQuantum TheoryMutagenesis, Site-DirectedCell LineHistidineSurface PropertiesZincExtrachromosomal InheritanceDeuteriumDimerizationFluorescent DyesOxygenCrystallographyLysineRabbitsChromatography, Thin LayerIntercalating AgentsOxidoreductasesSepharose