3.4.19.3 CaCl2 1 mM, weak activation 95290 3.4.19.3 CoSO4 activates 95299 3.4.19.3 FeCl2 1 mM, weak activation 95290 3.4.19.3 FeCl3 1 mM, weak activation 95290 3.4.19.3 MgCl2 1 mM, weak activation 95290 3.4.19.3 MnCl2 1 mM, weak activation 95290 3.4.19.3 additional information maximal activity in absence of divalent cations 95301 3.4.19.3 additional information metallopeptidase 95299