This basic domain is found in the MyoD family of muscle specificproteins that control muscle development. The bHLH region of the MyoD family includes the basic domain and the Helix-loop-helix (HLH) motif. The bHLH region mediates specific DNA binding [1]. With 12 residues of the basic domain involved in DNA binding [2]. The basic domain forms an extended alpha helix in the structure.
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