Neuregulin-1NeuregulinsReceptor, erbB-3Receptor, erbB-2Receptor, Epidermal Growth FactorProtein ConformationGenes, erbBModels, MolecularEpidermal Growth FactorProtein BindingBinding SitesProtein Structure, TertiaryCrystallography, X-RayProtein Structure, SecondarySpectrometry, FluorescenceCircular DichroismMolecular Sequence DataKineticsAmino Acid SequenceMolecular ConformationLigandsThermodynamicsOncogene Proteins v-erbBDimerizationHydrogen-Ion ConcentrationMutationStructure-Activity RelationshipProtein FoldingNucleic Acid ConformationMagnetic Resonance SpectroscopyMutagenesis, Site-DirectedProtein Structure, QuaternaryEscherichia coliModels, ChemicalMolecular Dynamics SimulationRecombinant ProteinsProtein DenaturationNuclear Magnetic Resonance, BiomolecularTemperatureTryptophanAdenosine TriphosphateAllosteric RegulationFluorescence Resonance Energy TransferHydrogen BondingCatalytic DomainAmino Acid SubstitutionCatalysisProtein MultimerizationHydrolysisCysteineSignal TransductionSpectrophotometry, UltravioletBacterial ProteinsFluorescenceAllosteric SiteComputer SimulationSubstrate SpecificityPhosphorylationPeptide FragmentsBase SequenceEscherichia coli ProteinsMagnesiumGenes, erbB-2Models, BiologicalAnilino NaphthalenesulfonatesSolutionsCryoelectron MicroscopyTrypsinPeptidesNaphthalenesulfonatesStatic ElectricityMacromolecular SubstancesSpectroscopy, Fourier Transform InfraredSequence Homology, Amino AcidAntibodies, MonoclonalCell LineEnzyme ActivationApoproteinsDisulfidesCattleFluorescent DyesMolecular StructureCalorimetryDNAAdenosine DiphosphateAdenosine TriphosphatasesCrystallographyProteinsCalciumMutant ProteinsCell MembraneEpitopesSolventsCell Line, TumorAcrylamideHydrophobic and Hydrophilic InteractionsNucleotidesEnergy TransferDeuterium Exchange MeasurementCross-Linking Reagents