1.5.1.7	Cu2+	4% of control activity at 1 mM	288192	
1.5.1.7	Hg2+	complete inhibition at 1 mM	288192	
1.5.1.7	Mn2+	46% of control activity at 1 mM	288192	
1.5.1.7	Sn2+	11% of control activity at 1 mM	288192	
1.5.1.7	Zn2+	66% of control activity at 1 mM	288192