EC Number |
Temperature Stability Minimum [°C] |
Temperature Stability Maximum [°C] |
Reference |
---|
2.7.1.17 | 4 |
- |
inactivation, only partially reversible by incubation at 37°C |
641637 |
2.7.1.17 | 10 |
50 |
more than 50% of the optimum activity between 10°C and 50°C |
676616 |
2.7.1.17 | 53 |
- |
5 min, 66%, 60%, 50%, 30% or 26% loss of activity at pH 8, pH 7, pH 6.2, pH 5.7 and pH 5.4, respectively |
645053 |
2.7.1.17 | 60 |
- |
5 min, inactivation at pH 5.4 |
645053 |
2.7.1.17 | 60 |
- |
degradation constants at 0.1 and 0.01 g/l xylulokinase at 60°C are 0.20/h and 0.35/h, respectively. The presence of 2 mM xylulose enhances the thermostability of 0.01 g/l xylulokinase, increasing degradation constants to 0.29/h |
748345 |
2.7.1.17 | 65 |
- |
30 min, Tris buffer, stable up to |
645059 |
2.7.1.17 | 70 |
- |
30 min, 50% loss of activity |
645059 |
2.7.1.17 | 75 |
- |
8 mM xylulose, 55% loss of activity after 30 min, 15% loss of activity after 5 min |
645059 |