2.4.1.285	Ca2+	about 55% residual activity in the presence of 2 mM	15	
2.4.1.285	Co2+	about 90% residual activity in the presence of 2 mM	23	
2.4.1.285	Cu2+	inhibits activity	19	
2.4.1.285	Cu2+	complete inhibition in the presence of 2 mM	19	
2.4.1.285	EDTA	about 20% residual activity in the presence of 10 mM	21	
2.4.1.285	Ni2+	about 80% residual activity in the presence of 2 mM	38	
2.4.1.285	Zn2+	inhibits activity	14	
2.4.1.285	Zn2+	complete inhibition in the presence of 2 mM	14