Calpain, Small Subunit 2 is a human gene encoded by the symbol, CAPNS2. It may also be known as: Calpain small subunit 2; CSS2; Calcium-dependent protease small subunit 2. The encoded protein has an amino acid length of 248 and a mass of 27.7 kDa. Homologs of this gene exist in other organisms, including: Mouse, Rat, Frog, Chicken.