CPNS1_HUMAN, Calcium activated neutral proteinase, Calcium activated neutral proteinase small subunit, Calcium dependent protease small subunit 1, Calcium dependent protease small subunit, Calpain 4, Calpain 4 small subunit (30K), Calpain 4 small subunit, Calpain regulatory subunit, Calpain S1, Calpain small polypeptide, Calpain small subunit 1, Calpain4, CalpainS1, CANP, CANPS, CAPN 4, CAPN S1, CAPN4, CAPNS 1, CDPS, CSS 1, CSS1,
Regulatory subunit of the calcium-regulated non-lysosomal thiol-protease which catalyzes limited proteolysis of substrates involved in cytoskeletal remodeling and signal transduction.