EC Number   |
pH Minimum |
pH Maximum |
Reference |
|---|
    2.4.1.13 | 5 |
8 |
about half-maximal activity at pH 5.0 and 8.0, sucrose cleavage |
488558 |
| 2.4.1.13 | 5 |
8 |
isoform SUS1 shows about 60% activity at pH 5.0, 100% activity at pH 5.5, about 90% activity at pH 6.5, about 40% activity at pH 7.5, and about 33% activity at pH 8.0. Isoform SUS2 shows about 50% activity at pH 5.0, 100% activity at pH 5.5, about 95% activity at pH 6.5, about 90% activity at pH 7.5, and about 70% activity at pH 8.0 |
757047 |
| 2.4.1.13 | 5 |
8.2 |
about 90% of maximal activity at pH 5.0 and about half-maximal activity at pH 8.2, sucrose cleavage |
488555 |
| 2.4.1.13 | 5 |
10 |
about half-maximal activity at pH 5.0 and 10.0, sucrose synthesis |
488558 |
| 2.4.1.13 | 5.5 |
7.5 |
over 40% of maximal enzyme activity within this range |
735556 |
| 2.4.1.13 | 5.5 |
9 |
about 80% of maximal activity at pH 5.5 and about half-maximal activity at pH 9.0, sucrose cleavage |
488550 |
| 2.4.1.13 | 5.6 |
10 |
about half-maximal activity at pH 5.6 and about 90% of maximal activity at pH 10.0, sucrose synthesis |
488550 |
| 2.4.1.13 | 6.2 |
6.6 |
96% of maximal activity at pH 6.2 and 6.6 |
488560 |
| 2.4.1.13 | 7 |
9 |
sucrose cleavage, activities with CDP, GDP, TDP, and UDP only occur at pH 7.0-8.0 and are very low at pH 9.0, while the activity with ADP is highest at pH 8.0 and higher than 60% of maximal activity in the pH range of 7.0-9.0 |
736101 |
| 2.4.1.13 | 7.5 |
10 |
about half-maximal activity at pH 7.5 and about 90% of maximal activity at pH 10.0, sucrose synthesis |
488555 |
