EC Number   |
pH Stability |
pH Stability Maximum |
Reference |
|---|
    1.4.3.2 | -999 |
- |
protection by acetate (high concentration) and some aliphatic and aromatic monocarboxylic acids at pH 9.0 |
391777 |
| 1.4.3.2 | -999 |
- |
slow reversible and temperature-dependent transition to an inactive form under alkaline conditions |
391770 |
| 1.4.3.2 | 4 |
- |
at a pH below 4, enzymatic activity is completely lost |
692650 |
| 1.4.3.2 | 4 |
9 |
both enzyme isoform maintain their full activity at a wide range of pH from 4.0 to 9.0 for 1 h |
743013 |
| 1.4.3.2 | 4 |
9 |
the enzyme is stable at pH 6.0-8.0 (90% activity) and less stable at both pH 4.0-5.5 (less than 40% of maximal activity) and pH 9.0 (77% of maximal activity) |
724964 |
| 1.4.3.2 | 5 |
- |
4°C, 24 h, complete inactivation |
391773 |
| 1.4.3.2 | 5 |
7 |
the enzyme is stable for 30 min in the pH range from 5.0 to 6.0, but more than 90% of original activity is lost in the alkaline region from pH 7.0 |
742930 |
| 1.4.3.2 | 5.5 |
7 |
40°C, 60 min, loss of about 20-30% activity |
711874 |
| 1.4.3.2 | 6 |
9.5 |
the enzyme exhibits a broad pH stability (6.0-9.5), with the highest stability from pH 7.2-7.6 in potassium phosphate buffer |
743253 |
| 1.4.3.2 | 6.5 |
8.8 |
both isoforms retain 100% activity, drastic inactivation above and below this range |
692288 |
