2.4.1.41	Ba2+	stimulates to a smaller extent than Mn2+	489168	
2.4.1.41	Ca2+	10 mM, 5.4fold activation	657844	
2.4.1.41	Ca2+	stimulates activity to a lesser extent than Mn2+	736207	
2.4.1.41	Ca2+	stimulates activity to a lesser extent than Mn2+ or Co2+	735979	
2.4.1.41	Ca2+	stimulates to a smaller extent than Mn2+	489168	
2.4.1.41	Cd2+	less stimulation than by Mn2+	489170	
2.4.1.41	Cd2+	partially restores activity after EDTA treatment	489172	
2.4.1.41	Co2+	10 mM, 5.9fold activation	657844	
2.4.1.41	Co2+	almost as effective as Mn2+, restores activity after EDTA treatment	489172	
2.4.1.41	Co2+	enhances activity with 60% of the activation observed with Mn2+	658238