EC Number   |
pH Minimum |
pH Maximum |
Reference |
|---|
    3.2.1.1 | -999 |
- |
pH profile |
666785 |
| 3.2.1.1 | 1 |
6 |
pH 1.0: about 70% of maximal activity, pH 6.0: about 30% of maximal activity |
393411 |
| 3.2.1.1 | 1 |
8 |
activity range, profile, overview |
717552 |
| 3.2.1.1 | 1.2 |
6 |
pH 1.2: about 40% of maximal activity, pH 6.0: about 50% of maximal activity |
393432 |
| 3.2.1.1 | 2 |
5 |
pH 2.0: about 60% of maximal activity, pH 5.0: about 60% of maximal activity, amylolytic activity toward starch |
731776 |
| 3.2.1.1 | 2 |
5.8 |
pH 2.0: about 40% of maximal activity, pH 5.8: about 35% of maximal activity |
393388 |
| 3.2.1.1 | 2 |
9 |
activity range |
717982 |
| 3.2.1.1 | 2 |
10 |
the alpha-amylase exhibits optimal activity of 60 U/mg at pH 3.0 and retains high specific activity of 50 U/mg at pH 2.0. Enzyme activity declines sharply at pH values above pH 3.0, retaining only about 48-27 U/mg between pH 4.0 and 10.0, respectively |
749624 |
| 3.2.1.1 | 2.5 |
5 |
pH 2.5: 56% of maximal activity, pH 5.0: maximal activity |
393439 |
| 3.2.1.1 | 2.5 |
6 |
pH 2.5: about 25% of maximal activity, pH 6.0: about 60% of maximal activity |
136189 |
