Protein ConformationMicroscopy, ElectronProtein FoldingAmino Acid SequenceCircular DichroismModels, MolecularMolecular Sequence DataNuclear Magnetic Resonance, BiomolecularX-Ray DiffractionPeptide FragmentsProtein Structure, TertiaryProtein DenaturationMagnetic Resonance SpectroscopyProtein Structure, SecondaryBinding SitesRecombinant ProteinsProtein Binding