Protein ConformationMolecular ConformationMolecular Sequence DataCrystallography, X-RayProtein Structure, SecondaryAmino Acid SequenceBinding SitesCircular DichroismProtein BindingMagnetic Resonance SpectroscopyProtein Structure, TertiaryThermodynamicsProtein FoldingHydrogen BondingKineticsStructure-Activity RelationshipSolutionsNuclear Magnetic Resonance, BiomolecularMutationModels, ChemicalPolymorphism, Single-Stranded ConformationalComputer SimulationLigandsMolecular Dynamics SimulationPeptidesSpectrometry, FluorescenceDNAProtein Structure, QuaternaryMolecular StructureEscherichia coliTemperatureCarbohydrate ConformationProtein DenaturationHydrogen-Ion ConcentrationX-Ray DiffractionMutagenesis, Site-DirectedDimerizationRecombinant ProteinsProteinsCatalytic DomainCrystallographyAmino Acid SubstitutionPeptide FragmentsWaterSpectrophotometry, UltravioletCatalysisBacterial ProteinsSubstrate SpecificitySequence Homology, Amino AcidSolventsStatic ElectricityPolydeoxyribonucleotidesProtein MultimerizationTryptophanSpectrum Analysis, RamanHydrophobic and Hydrophilic InteractionsCrystallizationAlgorithmsSequence AlignmentDisulfidesAllosteric RegulationCattleStereoisomerismAdenosine TriphosphateHydrolysisSpectroscopy, Fourier Transform InfraredCysteineCell LinePoint MutationMacromolecular SubstancesScattering, Small AngleBiophysicsTrifluoroethanolMagnesiumAmino Acid MotifsProtein StabilityModels, StructuralEscherichia coli ProteinsProtonsBiophysical PhenomenaFluorescence Resonance Energy TransferStructural Homology, ProteinSpectrophotometry, InfraredOligodeoxyribonucleotidesLipid BilayersSoftwareChemistry, PhysicalDrug DesignBase PairingAllosteric SiteMutant ProteinsProlineCalorimetryElectrophoresis, Polyacrylamide GelRNAIsomerismTrypsinPhysicochemical PhenomenaApoproteinsAmino Acids