5.3.1.7	5	8	more than 50% of maximum activity	
5.3.1.7	6	10.5	pH 6.0: about 65% of maximal activity, pH 10.5: about 50% of maximal activity	
5.3.1.7	6	9.5	pH 6: about 35% of maximal activity, pH 9.5: about 40% of maximal activity	
5.3.1.7	6.9	8.6	about 75% of maximal activity at pH 6.9 and 8.6	
5.3.1.7	8	8.5	-