2.5.1.49	4	12	50% maximum activity at pH 6.3 and pH 9.3	637839	
2.5.1.49	5.5	8.5	-	637825	
2.5.1.49	6.3	8.8	less than 50% activity above and below	661358	
2.5.1.49	6.6	8.5	50% activity at pH 6.6, 90% activity at pH 7.5 and 8.5	637824