5.1.1.1	Ca2+	slight activation at 1 mM	717010	
5.1.1.1	Co2+	120% activity at 1 mM	717010	
5.1.1.1	Cu2+	enhances the catalytic activity up to 300%	748617	
5.1.1.1	Fe2+	slight activation at 1 mM	717010	
5.1.1.1	Mg2+	slight activation at 1 mM	717010	
5.1.1.1	Mn2+	130% activity at 1 mM	717010	
5.1.1.1	additional information	not influenced by 1 mM Zn2+ or Sn2+	717010	
5.1.1.1	additional information	the enzyme activity is not sensitive to the metal chelating agent EDTA indicating that divalent cations are not required for enzyme activity	748617	
5.1.1.1	Ni2+	slight activation at 1 mM	717010	
5.1.1.1	Sr2+	158% activity at 1 mM	717010