2.3.1.22	Ba2+	stimulates	486609	
2.3.1.22	Ca2+	stimulates	486609	
2.3.1.22	CuCl2	2.5 mM, stimulation	486609	
2.3.1.22	Mg2+	-	659670	
2.3.1.22	Mg2+	required	736458	
2.3.1.22	Mn2+	2.5-5 mM, stimulates 160%, enzyme from adult liver	486607	
2.3.1.22	Mn2+	stimulates	486609	
2.3.1.22	Na+	minimal stimulation	486609