3.5.1.13	KI	activates	
3.5.1.13	NaI	activates	
3.5.1.13	Mg2+	activates 1.1fold at 1 mM	
3.5.1.13	Mn2+	activates 1.1fold at 1 mM	
3.5.1.13	Mg2+	activates 1.3fold at 1 mM	
3.5.1.13	Mn2+	activates 1.3fold at 1 mM	
3.5.1.13	Ca2+	activates at 1 mM	
3.5.1.13	additional information	no requirement for metal ions