a protein that is activated by calcium ions in some synapses and in erythrocytes can affect proteins important in determining cellular shape and deformability; a calcium-activated neutral protease.
Calpain – an overview | ScienceDirect Topics
Regulating cell migration: calpains make the cut | Journal of Cell
Calpains and cancer: Friends or enemies? – ScienceDirect
Regulating cell migration: calpains make the cut | Journal of Cell