title: Two-stage autolysis of the catalytic subunit initiates activation of calpain I.
authors.forename: U J
authors.initials: UJ
authors.lastname: Zimmerman
authors.forename: W W
authors.initials: WW
authors.lastname: Schlaepfer
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D002154:Calpain / Q000737:chemistry*; D002417:Cattle; D006801:Humans; D008969:Molecular Sequence Data
chemical_list: D002154:Calpain