Mu-Calpain, also known as Calpain-I, and m-calpain, also known as Calpain-II, are intracellular, calcium-dependent cysteine proteases. Mu-calpain has a micromolar sensitivity (thus the mu-) as compared to the millimolar calcium sensitivity of m-calpain.
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Protein Aliases: 80 kDa M-calpain subunit; Calcium-activated neutral proteinase 2; CALP80; calpain 2, (m/II) large subunit; calpain 2, large [catalytic] subunit; calpain 2, large subunit; Calpain large polypeptide L2; Calpain M-type; calpain, large polypeptide L2; Calpain-2 catalytic subunit; Calpain-2 large subunit; CANP 2; cysteine proteinase; M-calpain; m-calpain 80 kDa large subunit; m-calpain large subunit; Millimolar-calpain
Gene Aliases: AI326419; CANP2; CANPL2; CANPml; Capa-2; Capa2; CAPN2; m-calpain; m-calpin; mCANP
Molecular Function: cysteine protease