2.7.7.9	additional information	-	-	643724, 643733, 643734, 643748	
2.7.7.9	additional information	-	active over a wide range	643726	
2.7.7.9	additional information	-	isozymes with different pH-optima	643748	
2.7.7.9	5.5	-	-	721973	
2.7.7.9	5.5	7	broad	642818	
2.7.7.9	6	7.5	broad	642819	
2.7.7.9	6	7.5	forward reaction	722346	
2.7.7.9	6.5	7.5	-	643739	
2.7.7.9	6.5	8	-	643748	
2.7.7.9	6.5	8.5	broad optimum in both reaction directions	723370