| Cat# | DIA-433 |
| Source | Microorganism |
| Form | Freeze dried powder |
| Activity | ≥ 15.0 U/mg |
| Isoelectric point | 6.5 |
| Unit Definition | One unit (U) is defined as the amount of enzyme which produces 1 μmol of phosphate per min at 37 °C and pH 7.0 under the conditions described below. |
| Storage | Below –20 °C |
| Enzyme Commission Number | EC 6.3.1.2 |
| pH Stability | 6.5–9.5 |
| Michaelis Constant | 1.5 × 10-2 M (L-glutamate) 1.3 × 10-4 M (Ammonia) 8.7 × 10-4 M (ATP) |
| Optimum pH | ca. 7.0 |
| Optimum temperature | 60 °C |
| Thermal stability | Below 40 °C |
| Inhibitors | Methionine sulfoximine, carbamyl phosphate |
| Contaminants | Catalase ≦ 0.5 U/U% |
| Applications | For the determination of ammonia and ATP in clinical analysis. |
| Appearance | White to light yellow lyophilizate |
| Molecular Weight | ca. 900 kDa (Gel filtration) |
| Download Datasheet: |  |
