Helix-Loop-Helix MotifsBasic Helix-Loop-Helix Transcription FactorsHelix (Snails)Protein Structure, SecondaryModels, MolecularMolecular Sequence DataAmino Acid SequenceProtein ConformationProtein Structure, TertiaryNucleic Acid ConformationBinding SitesCrystallography, X-RayProtein BindingBase SequenceHydrogen BondingMutagenesis, Site-DirectedMagnetic Resonance SpectroscopyProtein FoldingNuclear Magnetic Resonance, BiomolecularMutationDNAStructure-Activity RelationshipSequence Homology, Amino AcidPeptidesThermodynamicsEscherichia coliHydrophobic and Hydrophilic InteractionsDimerizationKineticsSequence Alignment