Protein ConformationMolecular ConformationCrystallography, X-RayProtein Structure, SecondaryMolecular Sequence DataCircular DichroismBinding SitesAmino Acid SequenceMagnetic Resonance SpectroscopyProtein BindingProtein Structure, TertiaryThermodynamicsProtein FoldingHydrogen BondingStructure-Activity RelationshipSolutionsKineticsNuclear Magnetic Resonance, BiomolecularPolymorphism, Single-Stranded ConformationalMutationModels, ChemicalMolecular Dynamics SimulationLigandsSpectrometry, FluorescencePeptidesProtein Structure, QuaternaryCarbohydrate ConformationComputer SimulationTemperatureProtein DenaturationHydrogen-Ion ConcentrationMolecular StructureX-Ray DiffractionDNAEscherichia coliMutagenesis, Site-DirectedDimerizationRecombinant ProteinsCatalytic DomainCrystallographyAmino Acid SubstitutionPeptide FragmentsProteinsWaterSpectrophotometry, UltravioletSolventsPolydeoxyribonucleotidesStatic ElectricityCatalysisSubstrate SpecificityTryptophanSpectrum Analysis, RamanProtein MultimerizationHydrophobic and Hydrophilic InteractionsBacterial ProteinsCrystallizationDisulfidesSequence Homology, Amino AcidAllosteric RegulationSpectroscopy, Fourier Transform InfraredCattleStereoisomerismAdenosine TriphosphateTrifluoroethanolHydrolysisCysteineMagnesiumScattering, Small AngleMacromolecular SubstancesBiophysicsPoint MutationProtein StabilityModels, StructuralProtonsBiophysical PhenomenaSpectrophotometry, InfraredSequence AlignmentAmino Acid MotifsCell LineFluorescence Resonance Energy TransferModels, BiologicalEscherichia coli ProteinsStructural Homology, ProteinChemistry, PhysicalLipid BilayersOligodeoxyribonucleotidesCalorimetryAllosteric SiteMutant ProteinsProlineElectrophoresis, Polyacrylamide GelTrypsinPhysicochemical PhenomenaBase PairingApoproteinsIsomerismAlgorithmsOligopeptidesNucleic Acid DenaturationDrug Design