3.2.2.22	Mg2+	-	664819, 665623, 666356	
3.2.2.22	Mg2+	activates	664180, 664811	
3.2.2.22	Mg2+	activity of 1 of 7 isoforms of saporin is dependent on magnesium concentration	646899	
3.2.2.22	Mg2+	required for activity	731196	
3.2.2.22	additional information	the enzyme requires divalent metal ions for activity	732879	
3.2.2.22	NH4+	activates	664180