4.3.1.24	Ba2+	1 mM, weak enhancement of activity	746783	
4.3.1.24	Ca2+	-	747947	
4.3.1.24	Ca2+	1 mM, weak enhancement of activity	746783	
4.3.1.24	Ca2+	partially stabilizes the enzyme during storage, but less effective than Mn2+	680331	
4.3.1.24	Cd2+	treatment of roots leads to decrease in mRNA level and increase in enzyme activity	713610	
4.3.1.24	Cd2+	treatment of roots leads to increase in mRNA level and in enzyme activity. The increase in activity is not directly correlated with the increase in mRNA	713610	
4.3.1.24	Co2+	1 mM, about 50% activation	747947	
4.3.1.24	Cs+	1 mM, weak enhancement	716178	
4.3.1.24	K+	1 mM, about 5% activation	747947	
4.3.1.24	Li+	partially stabilizes the enzyme during storage, but less effective than Mn2+	680331