E renatured with dialyzing buffer containing five.0 mM ZnCl2, CuCl2, CaCl2, MgCl
E renatured with dialyzing buffer containing 5.0 mM ZnCl2, CuCl2, CaCl2, MgCl2, or no divalent metal ion. The dialyzed proteins were employed for enzymatic assays. The reduction of insulin plus…