Molecular and catalytic characterization of intact heterodimeric and derived monomeric calpains isolated under different conditions from pig polymorphonuclear leukocytes.

Fukui I, Toyohara H, Ito K, Hamakubo T, Murachi T.Biochemistry. 1988 May 03;27(9):3260-7. doi: 10.1021/bi00409a021