6.5.1.3	5	9.5	activity is virtually nil at pH below 5.0 or above 9.5	654015	
6.5.1.3	5.5	8	adenylyltransferase activity	653679	
6.5.1.3	5.5	8.5	nick sealing activity is optimal at pH 5.5 to 6.5 and declined sharply at pH 8.5 or above	749277	
6.5.1.3	5.7	7	-	650172	
6.5.1.3	6.5	8	around 70% of the maximum at pH 8.0	651051	
6.5.1.3	7	8.5	pH 7.0: about 40% of maximal activity, pH 8.5: about 30% of maximal activity	662976