2.7.1.81	Ca2+	requirement of a divalent metal ion, 1 mM, 13% of activity compared to Mg2+	642034	
2.7.1.81	Co2+	requirement of a divalent metal ion, 1 mM, 13% of activity compared to Mg2+	642034	
2.7.1.81	Cu2+	requirement of a divalent metal ion, 1 mM, 13% of activity compared to Mg2+	642034	
2.7.1.81	Fe2+	requirement of a divalent metal ion, 1 mM, 13% of activity compared to Mg2+	642034	
2.7.1.81	Hg2+	requirement of a divalent metal ion, 1 mM, 13% of activity compared to Mg2+	642034	
2.7.1.81	Mg2+	required	642035	
2.7.1.81	Mg2+	requirement of a divalent metal ion, Mg2+ yields highest activity	642034	
2.7.1.81	Mn2+	requirement of a divalent metal ion, 1 mM, 13% of activity compared to Mg2+, strong inhibition in presence of 1 mM Mg2+	642034	
2.7.1.81	additional information	K+, Li+ have no influence	642034