Protein ConformationProtein Structure, SecondaryModels, MolecularAmino Acid SequenceMolecular Sequence DataCrystallography, X-RayProtein Structure, TertiaryProtein FoldingBinding SitesCircular DichroismProtein BindingMagnetic Resonance SpectroscopyHydrogen BondingMolecular ConformationNuclear Magnetic Resonance, BiomolecularThermodynamicsSequence Homology, Amino AcidStructure-Activity RelationshipSolutionsKineticsMutationDimerizationPeptidesProteinsProtein Structure, QuaternaryRecombinant ProteinsMutagenesis, Site-DirectedSpectrometry, FluorescenceEscherichia coliProtein DenaturationSequence AlignmentHelix (Snails)LigandsSpectroscopy, Fourier Transform InfraredModels, ChemicalHydrogen-Ion ConcentrationHydrophobic and Hydrophilic InteractionsPeptide FragmentsBase SequenceDeuterium Exchange MeasurementStatic ElectricityAmino Acid SubstitutionBacterial ProteinsComputer SimulationAmyloidCrystallographyTemperatureCrystallizationX-Ray DiffractionOptical Rotatory DispersionRecombinant Fusion ProteinsInterleukin-1betaTryptophanCatalytic DomainMacromolecular SubstancesDNABacteriorhodopsinsMolecular Dynamics SimulationMyoglobinSilica GelMolecular StructureSpectrophotometry, Infraredalpha 1-AntitrypsinCattleCell LineMembrane ProteinsProtein StabilityElectrophoresis, Polyacrylamide Gelbeta 2-MicroglobulinCatalysisCell MembraneSpectrum Analysis, RamanWaterConserved SequenceSpectrophotometry, UltravioletCloning, MolecularSubstrate SpecificityAmino AcidsCysteineBiophysicsEscherichia coli ProteinsCobra Cardiotoxin ProteinsDisulfidesBiophysical PhenomenaIntegrin alpha5beta1Amino Acid MotifsPoint MutationAnilino NaphthalenesulfonatesModels, BiologicalSolventsApoproteinsIntegrin alpha4beta1Receptors, Adrenergic, alphaIntegrin beta3Protein SubunitsIntegrin alpha2beta1HydrogenMuramidaseCricetinaeTrypsin