Protein Structure, SecondaryMolecular Sequence DataModels, MolecularAmino Acid SequenceProtein ConformationHelix (Snails)Drug StabilityProtein Structure, TertiaryProtein StabilityBinding SitesProtein BindingProtein FoldingEnzyme StabilityCrystallography, X-RaySequence Homology, Amino AcidCircular DichroismBase SequenceMutationMutagenesis, Site-DirectedMagnetic Resonance Spectroscopyalpha 1-AntitrypsinNuclear Magnetic Resonance, BiomolecularSequence AlignmentRNA StabilityDimerizationStructure-Activity RelationshipRecombinant ProteinsEscherichia coliPeptidesThermodynamicsHydrogen BondingKineticsProtein Structure, QuaternaryReceptors, Adrenergic, alphaHydrophobic and Hydrophilic InteractionsHypoxia-Inducible Factor 1, alpha SubunitNucleic Acid ConformationDNAAmino Acid MotifsPeptide FragmentsTemperatureAmino Acid SubstitutionStatic ElectricityIntracellular Calcium-Sensing ProteinsBacterial ProteinsSolutionsRecombinant Fusion ProteinsProteinsCloning, MolecularLigandsCryoelectron MicroscopyMembrane ProteinsConserved SequenceTranscription FactorsHydrogen-Ion ConcentrationCell LineProtein DenaturationDNA-Binding ProteinsMutagenesisalpha7 Nicotinic Acetylcholine ReceptorMacromolecular SubstancesCatalytic DomainCell MembraneModels, ChemicalProtein SubunitsTransfectionSpiroplasmaAmino AcidsBacteriorhodopsinsEscherichia coli ProteinsCysteineSpectrometry, FluorescenceIntegrin alpha3beta1Transcription, GeneticProtein MultimerizationCattleIntegrin alpha4Signal TransductionIntegrin alpha6Integrin alpha5beta1Electrophoresis, Polyacrylamide GelComputer SimulationMolecular ConformationDNA PrimersCarrier ProteinsIntegrin alpha4beta1Point MutationModels, BiologicalHeLa CellsModels, StructuralSubstrate SpecificityInterleukin-1alphaProtein Interaction Domains and MotifsDisulfidesReceptors, Adrenergic, alpha-1CrystallographyIntegrin alpha2beta1Integrin alpha1beta1Molecular StructureTryptophan