MyoD ProteinMyogeninTranscription FactorsTranscription, GeneticInhibitor of Differentiation Protein 2Muscle, SkeletalGene Expression RegulationCell DifferentiationDNA-Binding ProteinsMolecular Sequence DataPromoter Regions, GeneticBase SequenceGA-Binding Protein Transcription FactorSp1 Transcription FactorRNA, MessengerTranscriptional ActivationTrans-ActivatorsCell LineBinding SitesNuclear ProteinsProtein BindingRepressor ProteinsAmino Acid SequenceMyogenic Regulatory Factor 5Transcription Initiation SiteDNA