3.4.23.3	1	3	the enzyme is active between pH 1.0 and 3.0, shows less than 10% activity at pH 4.0-7.0, and is inactive at pH 8.0	753448	
3.4.23.3	1.1	4	pH 1.1: about 60% of maximal activity, pH 4.0: about 35% of maximal activity	36858	
3.4.23.3	1.2	3.5	pH 1.2: about 75% of maximal activity, pH 3.5: about 55% of maximal activity	36866	
3.4.23.3	1.3	4.5	pH 1.3: about 75% of maximal activity, pH 4.5: about 35% of maximal activity, pepsin C-2	36846	
3.4.23.3	1.4	4.5	pH 1.4: about 90% of maximal activity, pH 4.5: about 40% of maximal activity, pepsin C-1	36846