3.1.1.3	Al3+	activates at 1 mM	682643	
3.1.1.3	Ba2+	130% activity at 2 mM	713788	
3.1.1.3	Ba2+	about 7.5% activation at 1 mM	677300	
3.1.1.3	Ba2+	activation, extracellular enzyme	650654	
3.1.1.3	BaCl2	increases activity	80841	
3.1.1.3	Ca2+	-	652764, 653692, 664923	
3.1.1.3	Ca2+	1 mM, 1.3fold stimulation	727566	
3.1.1.3	Ca2+	1.12fold activation at 1 mM, 1.36fold activation at 3 mM, 1.51fold activation at 10 mM	652591	
3.1.1.3	Ca2+	10% stimulation at 5 mM	652958	
3.1.1.3	Ca2+	104% increase in activity in the presence of 1 mM Ca2+	690508