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 744560 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 744560 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 744560 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 744560