2.1.1.137	6.8	-	optimum if enzyme activity is measured in crude extracts	485152	
2.1.1.137	7	-	assay at	673463	
2.1.1.137	7.5	-	-	733175, 733203	
2.1.1.137	7.6	-	-	485148	
2.1.1.137	8	-	-	485149	
2.1.1.137	8	-	little activity at pH 7.0	485151	
2.1.1.137	8.2	-	-	485152	
2.1.1.137	8.5	-	-	719007	
2.1.1.137	9.5	-	-	659168	
2.1.1.137	7	7.4	assay at	673463