| Cat# | DIA-436 |
| Source | E. coli |
| Form | Freeze dried powder |
| Activity | ≥ 10 U/mg |
| Unit Definition | One unit (U) is defined as the amount of enzyme which produces 1 μmol of D-glucose per min at 30 °C and pH 7.0 under the conditions described below. |
| Storage | Below –20 °C |
| Enzyme Commission Number | EC 2.4.1.8 |
| pH Stability | 5.5–8.0 |
| Michaelis Constant | 1.9 × 10-3 M (Maltose) 3.4 × 10-3 M (Phosphate) 8.3 × 10-3 M (Arsenate) |
| Optimum pH | 6.5–7.5 |
| Optimum temperature | 45–50°C |
| Thermal stability | Below 55 °C |
| Inhibitors | Hg2+, Ag+, Zn2+, Cu2+ |
| Applications | For the determination of α-amylase and inorganic phosphate in clinical analysis. |
| Appearance | White lyophilizate |
| Molecular Weight | ca. 220 kDa (Gel filtration) |
| Notes | Expiration date: Liquid: stable at 37 °C for at least one week Powder: stable at 30 °C for at least four weeks |
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