2.4.1.177	Cu2+	the addition of 1 mM leads to a loss of 30% to 50%, the addition to 10 mM causes a loss of more than 90% of activity	676590	
2.4.1.177	Fe2+	the addition of 1 mM leads to a loss of 30% to 50%, the addition to 10 mM causes a loss of more than 60% of activity	676590	
2.4.1.177	Mg2+	has no effect at 10 mM	676590	
2.4.1.177	Mg2+	required, highest activity at 25-50 mM	694768	
2.4.1.177	Mn2+	the addition to 10 mM causes a loss of 30% of activity	676590	
2.4.1.177	additional information	no activation by MgCl2, CaCl2 or MnCl2, 1 mM each	637802	
2.4.1.177	Zn2+	the addition of 1 mM leads to a loss of 30% to 50%, the addition to 10 mM causes a loss of more than 90% of activity	676590