EC Number   |
Metals/Ions |
Reference  |
|---|
    2.3.1.8 | K+ |
activates |
487515, 487525, 487533, 94495 |
| 2.3.1.8 | NH4+ |
- |
487517, 94495 |
| 2.3.1.8 | K+ |
enzyme is inactive in absence of K+ or NH4+, maximal activation at about 0.02 M |
487513 |
| 2.3.1.8 | NH4+ |
K+ or NH4+ at concentration above 10 mM required for maximum activity, enzyme is inactive in absence of K+ or NH4+, maximal activation at about 0.02 M |
487513 |
| 2.3.1.8 | NH4+ |
required for maximum activity, optimum at 7 mM (NH4)2SO4 |
487514 |
| 2.3.1.8 | phosphate |
1 mM, weak activation |
487514 |
| 2.3.1.8 | K+ |
rate of arsenolysis increases with increasing potassium or ammonium salt concentration and reaches a maximum rate at 0.02 to 0.03 M salt concentration |
487515 |
| 2.3.1.8 | NH4+ |
rate of arsenolysis increases with increasing potassium or ammonium salt concentration and reaches a maximum rate at 0.02 to 0.03 M salt concentration |
487515 |
| 2.3.1.8 | Tris |
maximum activity with Tris buffer, with HEPES and MES catalysis is lowered by ca. 15% |
487517 |
| 2.3.1.8 | K+ |
enzyme is activated by low concentrations of NH4+, K+ and Na+, sequence of effectiveness: NH4+, K+, Na+ |
487519 |
