4.1.3.27	Ca2+	highest activity at 50 mM	749037	
4.1.3.27	Cd2+	highest activity at 50 mM	749037	
4.1.3.27	Co2+	-	33288	
4.1.3.27	Co2+	at 1-5 mM	33313	
4.1.3.27	Co2+	can partially replace Mg2+ in activation	33280	
4.1.3.27	Co2+	highest activity at 50 mM	749037	
4.1.3.27	Fe2+	1 mM, can partially replace Mg2+ in activation	33313	
4.1.3.27	K+	stimulates	33288	
4.1.3.27	Mg2+	-	33313, 694976, 702371, 715843	
4.1.3.27	Mg2+	Km for MgCl2: 0.26 mM	33305