Musculin

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** Musculin (206 aa, ~22 kDa) is encoded by the human MSC gene. This protein plays a role in both transcriptional regulation and DNA binding.

**Synonyms:** - ABF-1 - Activated B-Cell Factor 1 - Activated B-cell Factor-1 - Class A Basic Helix-Loop-Helix Protein 22 - MSC - Myogenic Repressor - bHLHa22