EC Number   |
pH Minimum |
pH Maximum |
Reference |
|---|
    1.1.1.27 | 5 |
7 |
about 55% of maximal activity at pH 5.0 and at pH 7.0 |
286468 |
| 1.1.1.27 | 5.2 |
7.2 |
LDH activity shows a broad plateau between pH 5.2 and pH 7.2, and no activity at pH 4.8 |
686679 |
| 1.1.1.27 | 5.2 |
7.2 |
pH 5.2: about 35% of maximal activity, pH 7.2: about 50% of maximal activity |
286435 |
| 1.1.1.27 | 5.3 |
8 |
pH 5.3: about 50% of maximal activity, pH 8.0: about 60% of maximal activity, reduction of pyruvate |
286440 |
| 1.1.1.27 | 5.4 |
10.8 |
pH 5.4: about 60% of maximal activity, pH 10.8: about 55% of maximal activity, reaction with pyruvate |
654778 |
| 1.1.1.27 | 5.5 |
8 |
pH 5.5: 40% of maximal activity of isoenzyme LDH-B4 and 60% of maximal activity of isoenzyme LDH-A2B2 and LDH-A4, pH 8.0: about 60% of maximal activity of isoenzyme LDH-A4, LDH-B4 and LDH-A4B4, reduction of pyruvate |
655268 |
| 1.1.1.27 | 6 |
8 |
pH 6.0: 85% of maximal activity, pH 8.0: 45% of maximal activity, reduction of pyruvate |
286459 |
| 1.1.1.27 | 6.4 |
6.9 |
LDHB, in Bis-Tris-propane buffer |
697662 |
| 1.1.1.27 | 6.5 |
10 |
optimal pH range for pyruvate reduction and lactate oxidation is 6.5-7.0 and 9.0-10.0, respectively |
700558 |
| 1.1.1.27 | 6.6 |
10.8 |
pH 5.4: about 55% of maximal activity, pH 10.8: about 55% of maximal activity, reaction with lactate |
654778 |
