3.6.1.45	Co2+	absolute requirement for a divalent cation, at pH 8.0 in Tris-HCl buffer the requirement can be satisfied in order of decreasing affinity by Co2+, Mn2+, Mg2+. At pH 5.1 in acetate buffer only Co2+ and Mn2+ are effective	209944	
3.6.1.45	K+	absolute requirement for K+	32880	
3.6.1.45	Mg2+	-	696080, 698591	
3.6.1.45	Mg2+	absolute requirement for a divalent cation, at pH 8.0 in Tris-HCl buffer the requirement can be satisfied in order of decreasing affinity by Co2+, Mn2+, Mg2+. At pH 5.1 in acetate buffer only Co2+ and Mn2+ are effective	209944	
3.6.1.45	Mg2+	absolutely required for optimal activity, not replacable by Mn2+	696080	
3.6.1.45	Mg2+	activity is dependent on the presence of Mg2+	711078	
3.6.1.45	Mg2+	divalent metal ion required, significantly lower Km in presence of Mn2+ as compared with Mg2+	32880	
3.6.1.45	Mn2+	absolute requirement for a divalent cation, at pH 8.0 in Tris-HCl buffer the requirement can be satisfied in order of decreasing affinity by Co2+, Mn2+, Mg2+. At pH 5.1 in acetate buffer only Co2+ and Mn2+ are effective	209944	
3.6.1.45	Mn2+	divalent metal ion required, significantly lower Km in presence of Mn2+ as compared with Mg2+	32880