EC Number   |
pH Minimum |
pH Maximum |
Reference |
|---|
    1.12.99.6 | 3.5 |
9 |
H2 evolution, pH 3.5 and 9.0: ca. 50% of maximal activity |
703746 |
| 1.12.99.6 | 4.3 |
8.4 |
the maximum H2 oxidation current increases as the pH is raised from 4.3 to 5.9, then it is constant up to pH 8.4 |
674190 |
| 1.12.99.6 | 5 |
10 |
H2 uptake is constant over a pH range from pH 5 to pH 10 |
439631 |
| 1.12.99.6 | 5.5 |
9 |
H2 oxidation, pH 5.5: 40% of maximal activity, pH 9: 60% of maximal activity |
703746 |
| 1.12.99.6 | 6 |
9 |
optimal pH range for the hydrogen oxidation activity is 8.5 to 9.0, optimal pH range for the proton reduction activity is 6.0 to 6.5 |
704744 |
| 1.12.99.6 | 6 |
11 |
almost no activity at pH 6.0, approx. 30% of maximal activity at pH 11.0 |
659310 |
