Yinfei Tan, Nathalie Dourdin, Chao Wu, Teresa De Veyra et al.
Ubiquitously expressed μ- and m-calpain proteases are implicated in development and apoptosis. They consist of 80-kDa catalytic subunits encoded by the capn1 and capn2 genes, respectively, and a common 28-kDa regulatory subunit encoded by the capn4 gene. The regulatory subunit is required to maintai...