| Cat# | DIA-437 |
| Source | E. coli |
| Form | Freeze dried powder |
| Activity | ≥ 50 U/mg |
| Isoelectric point | 4.6 |
| Unit Definition | One unit (U) is defined as the amount of enzyme which produces 1 μmol of NADPH per min at 25 °C and pH 6.8 under the conditions described below. |
| Storage | Below –20 °C |
| Enzyme Commission Number | EC 2.4.1.7 |
| pH Stability | 5.0–8.0 |
| Michaelis Constant | 3.9 × 10-2 M (Sucrose) 6.2 × 10-3 M (Phosphate) |
| Optimum pH | 7.5 |
| Optimum temperature | 40 °C |
| Thermal stability | Below 45 °C |
| Inhibitors | Glucose, glucono-1,5-lactone |
| Applications | For the determination of inorganic phosphate in clinical analysis. |
| Appearance | White lyophilizate |
| Molecular Weight | ca. 56 kDa (Gel filtration) |
| Notes | Expiration date: Liquid: stable at 37 °C for at least two weeks Powder: stable at 30 °C for at least two weeks |
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