4.1.1.11 CaCl2 activity is dependent on various salts, such as CaCl2, NaCl, KCl, and NaBr, with an optimum concentration of 400 mM 4.1.1.11 KCl activity is dependent on various salts, such as CaCl2, NaCl, KCl, and NaBr, with an optimum concentration of 400 mM 4.1.1.11 NaBr activity is dependent on various salts, such as CaCl2, NaCl, KCl, and NaBr, with an optimum concentration of 400 mM 4.1.1.11 NaCl activity is dependent on various salts, such as CaCl2, NaCl, KCl, and NaBr, with an optimum concentration of 400 mM