Models, MolecularProtein ConformationAmino Acid SequenceMolecular Sequence DataCrystallography, X-RayProtein Structure, SecondaryBinding SitesX-Ray DiffractionProtein Structure, TertiarySequence Homology, Amino AcidMagnetic Resonance SpectroscopyCryoelectron MicroscopyCrystallizationCrystallographySequence AlignmentProtein FoldingNuclear Magnetic Resonance, BiomolecularStructure-Activity RelationshipHydrogen BondingModels, StructuralProtein BindingEscherichia coliMolecular StructureRecombinant ProteinsStructural Homology, ProteinProtein Structure, QuaternaryMutagenesis, Site-DirectedMolecular ConformationProteinsDimerizationBacterial ProteinsCatalytic DomainSolutionsMicroscopy, ElectronSubstrate SpecificityBase SequenceComputer SimulationCatalysisCircular DichroismDisulfidesKineticsModels, ChemicalNucleic Acid ConformationMacromolecular SubstancesComputer GraphicsMutationElectron Microscope TomographyDatabases, ProteinThermodynamicsConserved SequenceStatic ElectricityImage Processing, Computer-AssistedCloning, MolecularLigandsSequence Analysis, ProteinPeptidesImaging, Three-DimensionalAmino Acid SubstitutionHemerythrinEnzyme StabilityAmino AcidsPlant ProteinsPeptide FragmentsErabutoxinsScorpionsCapsidSoftwareEscherichia coli ProteinsCattleImmunoglobulin Fab FragmentsCysteineAmino Acid MotifsHydrogen-Ion ConcentrationPyrococcusAlgorithmsChenopodium albumMuramidaseAntigens, PlantProtein DenaturationFourier AnalysisProtein EngineeringDrug DesignPhysicochemical PhenomenaCarrier ProteinsTemperatureHydrophobic and Hydrophilic InteractionsScorpion VenomsMicellesThermus thermophilusAspartic AcidElectronsHistidineEvolution, MolecularChemistry, PhysicalConotoxinsComputational BiologyCapsid ProteinsProtein MultimerizationSelenomethionineMembrane Proteins