6.5.1.2	Cu2+	30% of activity obtained with Mg2+	651212	
6.5.1.2	K+	-	1910	
6.5.1.2	K+	25 mM, stimulates activity	651073	
6.5.1.2	K+	activates at 1-150 mM	1971	
6.5.1.2	K+	highest activity below 10 mM	651212	
6.5.1.2	K+	stimulates	1910	
6.5.1.2	K+	stimulates at low concentrations	1909	
6.5.1.2	KCl	enzymatic activity increased in the presence of monovalent cations, maximal activity at 25 mM NaCl	728580	
6.5.1.2	KCl	no activity is detected in the absence of KCl. Maximum activity at 3.2 M KCl, close to the intracellular KCl concentration of Haloferax volcanii cells	672808	
6.5.1.2	KCl	stimulation by 300 mM KCl, in 10% w/v polyethylene glycol 6000 solution or 150-300 mM KCl in 15% polyethylene glycol 6000 solution. Stimulation of intermolecular blunt end ligation by 150-250 mM KCl in 15% polyethylene glycol 600 solution	1970