2.5.1.153	Cu2+	17% activity at 1 mM	19	
2.5.1.153	Fe2+	20% activity at 1 mM	25	
2.5.1.153	Mn2+	13% activity at 1 mM	11	
2.5.1.153	Ni2+	35% activity at 1 mM	38	
2.5.1.153	Zn2+	10% activity at 1 mM	14