2.3.1.20	additional information	-	value of pH-optimum for several enzyme isoforms	659046	
2.3.1.20	6.1	-	broad	486246	
2.3.1.20	6.5	-	assay at	675844	
2.3.1.20	6.6	-	-	486512	
2.3.1.20	6.75	7.25	-	486508	
2.3.1.20	6.8	-	-	486510	
2.3.1.20	7	-	-	486509, 486511	
2.3.1.20	7	-	assay at, non-fluorescent assay	758140	
2.3.1.20	7	9	broad	486483	
2.3.1.20	7.1	-	assay at	757032