3.5.1.19	Ca2+	activation	246576	
3.5.1.19	Co2+	addition of Co2+ after metal removement results in 13% activity	718883	
3.5.1.19	Co2+	enhances activity	246588	
3.5.1.19	Fe2+	-	679806	
3.5.1.19	Fe2+	activates	710862	
3.5.1.19	Fe2+	addition of Fe2+ after metal removement results in 13% activity	718883	
3.5.1.19	Fe2+	the conserved specific metal ion binding includes one aspartate (D67) and two histidines (H69 and H86)	753679	
3.5.1.19	Fe2+	the enzyme contains 0.47 M of Fe2+ per mol of enzyme	718885	
3.5.1.19	Fe2+	the enzyme contains a Fe2+ ion in its metal binding site, which is coordinated by an aspartate (D67) and three histidine residues (H69, H75 and H86)	755150	
3.5.1.19	Fe2+	the enzyme contains Fe2+ (0.77 mol per mol of protein). 1.6fold activation by 5 mM Fe2+	729184