Protein ConformationModels, MolecularMolecular ConformationProtein BindingProtein Structure, SecondaryBinding SitesCircular DichroismProtein Structure, TertiaryCrystallography, X-RayMolecular Sequence DataAmino Acid SequenceSpectrometry, FluorescenceThermodynamicsKineticsProtein FoldingMagnetic Resonance SpectroscopyHydrogen-Ion ConcentrationProtein DenaturationLigandsDeuterium Exchange MeasurementStructure-Activity RelationshipModels, ChemicalTemperatureHydrogen BondingMolecular Dynamics SimulationMutationProtein Structure, QuaternaryMutagenesis, Site-DirectedProteinsSolutionsTryptophanEscherichia coliNuclear Magnetic Resonance, BiomolecularRecombinant ProteinsComputer SimulationAmino Acid SubstitutionAnilino NaphthalenesulfonatesDimerizationOptical Rotatory DispersionSpectrophotometry, UltravioletSpectroscopy, Fourier Transform InfraredCatalysisBacterial ProteinsPeptidesFluorescence Resonance Energy TransferAdenosine TriphosphateApoproteinsHydrolysisStatic ElectricitySpectrum Analysis, RamanCysteineMolecular StructurePeptide FragmentsProtein StabilityMyoglobinWaterSolventsSubstrate SpecificityCatalytic DomainGuanidineAllosteric RegulationMacromolecular SubstancesSpectrophotometry, InfraredTrypsinNucleic Acid ConformationCattleHydrophobic and Hydrophilic InteractionsSilica GelBiophysicsDNAEnergy TransferBacteriorhodopsinsHydrogenProtonsMuramidaseElectrophoresis, Polyacrylamide GelCrystallizationProtein MultimerizationBiophysical PhenomenaOxidation-ReductionModels, BiologicalFluorescent DyesMutant ProteinsSequence Homology, Amino AcidSpectrophotometryPrionsAllosteric SiteEnzyme StabilityMagnesiumHot TemperatureEscherichia coli ProteinsEpitopesFluorescenceCrystallographyBase SequenceSpectrum AnalysisDeuteriumChymotrypsinCalciumElectron Spin Resonance Spectroscopy