3.4.22.53 Cal II, calcium-activated neutral protease II, calpain 2, calpain II, calpain xCL-2 (Xenopus leavis), calpain-2, calpain-2-like, calpain2, CAPN II, CAPN2, CAPN2 g.p. (Homo sapiens), CPN2, cysteine protease, human calpain 2, m-calpain, milli-calpain, nCL-2, rat calpain 2 - 3.4.22.53 CAPN2 catalytic subunit of m-calpain 3.4.22.53 EC 3.4.22.17 formerly 3.4.22.53 EC 3.4.24.5 formerly, part transferred 3.4.22.53 mitochondrial m-calpain m-calpain large subunit