3.1.1.17	Ca2+	contains two calcium ions	693673	
3.1.1.17	Ca2+	the purified enzyme is strictly dependent on Ca2+ and undergoes rapid denaturing precipitation on Ca2+ depletion even in the presence of detergent	691393	
3.1.1.17	Co2+	the enzyme requires divalent cations such as Mn2+, Mg2+ or Co2+	80769	
3.1.1.17	Mg2+	activates	10911	
3.1.1.17	Mg2+	divalent metal ion required, Mn2+ is preferred over Mg2+	80762	
3.1.1.17	Mg2+	the enzyme requires divalent cations such as Mn2+, Mg2+ or Co2+	80769	
3.1.1.17	Mn2+	27% of the activation observed with Zn2+	666757	
3.1.1.17	Mn2+	activates	10911	
3.1.1.17	Mn2+	divalent metal ion required, Mn2+ is preferred over Mg2+	80762	
3.1.1.17	Mn2+	the enzyme requires divalent cations such as Mn2+, Mg2+ or Co2+	80769	
3.1.1.17	additional information	Mn2+, Co2+, Mg2+, and Ca2+ have a significant low effect on the activity to 19, 9, 8, and 7%, respectively	693168	
3.1.1.17	Zinc	contains at least 1 atom of tightly bound zinc per enzyme subunit	80761	
3.1.1.17	Zn2+	required	666757	
3.1.1.17	Zn2+	the enzyme requires a divalent metal ion for maximum activity which is obtained by the addition of 0.075 mM Zn2+	693168