EC Number   |
Temperature Stability Minimum [°C] |
Temperature Stability Maximum [°C] |
Reference |
|---|
    2.4.1.21 | 15 |
- |
stable at |
488891 |
| 2.4.1.21 | 25 |
- |
granule-bound starch synthase I, loss of 35% activity after 1 h |
488928 |
| 2.4.1.21 | 25 |
- |
stable at |
488891 |
| 2.4.1.21 | 35 |
- |
inactivation |
488891 |
| 2.4.1.21 | 35 |
- |
starch synthase II, loss of 6% activity after 1 h |
488928 |
| 2.4.1.21 | 37 |
50 |
pre-incubation at up to 45°C has no effect on the activity of isoform SSI. Isoform SSIIa is stimulated by preincubation at 37-45°C, while isoform SSIII activity is reduced by ca. 50% after brief incubation at 45°C. Isoform SSIII is stable during preincubation at 37°C. At 50°C all enzymes completely lose activity within 40 min |
735563 |
| 2.4.1.21 | 39.8 |
- |
temperature at which 50% of the activity of isoform GBSSI remains after 15 min incubation |
736158 |
| 2.4.1.21 | 40 |
- |
10 min, 78% loss of activity |
488919 |
| 2.4.1.21 | 40 |
- |
granule-bound starch synthase I, complete inactivation after 1 h, starch synthase II, loss of 52% activity after 1 h |
488928 |
| 2.4.1.21 | 40.1 |
- |
temperature at which 50% of the activity of isoform SSIIa remains after 15 min incubation |
736158 |
