3.6.1.73	Mg2+	the enzyme binds 1 divalent cation per subunit. Activity is maximal in the presence of Mg2+. Activity with Mn2+ is 80% compared to activity with Mg2+. Km: 0.91 mM	755555	
3.6.1.73	Mn2+	the enzyme binds 1 divalent cation per subunit. Activity is maximal in the presence of Mg2+. Activity with Mn2+ is 80% compared to activity with Mg2+. KM: 1.39 mM	755555