6.5.1.3	Mg2+	-	1987, 1997	
6.5.1.3	Mg2+	activates, optimum: 5-10 mM	662976	
6.5.1.3	Mn2+	activates, showing slightly higher activity than Mg2+	662976	
6.5.1.3	additional information	calcium, cobalt, copper, cadmium, nickel, and zinc are ineffective	749277	
6.5.1.3	Mg2+	dependent on	747437	
6.5.1.3	Mg2+	divalent cation required	1985	
6.5.1.3	Mn2+	enzyme activity is optimal at 2.5 mM Mn2+	749277	
6.5.1.3	Mg2+	enzyme activity is optimal at 5 mM Mg2+	749277	
6.5.1.3	Mg2+	Km: 0.4 mM, inhibition above 10 mM	1995	
6.5.1.3	Mg2+	L1 ligase is an obligate metalloenzyme that is highly specific for Mg2+. It is selected in the presence of 60 mM MgCl2 and functions optimally in Mg2+ concentrations as high as 100 mM	677128