The enzyme is useful for the determination of D-glucose in clinical analysis and self-monitoring blood glucose meters.
| Systematic name | D-Glucose : acceptor 1-oxidoreductase |
|---|---|
| Reaction formula | D-Glucose + acceptor →→→ D-Glucono-1,5-lactone + reduced acceptor |
| Appearance | yellow lyophilizate | |
|---|---|---|
| Activity | ≧700 U/mg | |
| Contaminants | NAD glucose dehydrogenase ≺1.0×10-2 U/U％ | |
| Hexokinase ≺1.0×10-2 U/U％ | ||
| α-glucosidase ≺1.0×10-2 U/U％ | ||
| β-glucosidase ≺1.0×10-2 U/U％ | ||
| Filterability | ≧90% | |
| Storage condition | below -20℃ protected from light |
| Molecular weight | ca. 85 kDa (SDS-PAGE) |
|---|---|
| Structure | monomer, one mole of FAD per mole of enzyme glycoprotein |
| Michaelis constant | 2.2×10-2M (D-glucose) |
| pH Optimum | 7.0–7.5 |
| pH Stability | 4.5–8.0 |
| Optimum temperature | 40–50℃ |
| Thermal stability | below 45℃ |
| Specificity | D-glucose (100), maltose (≺0.01), |
| D-xylose (8.7), D-galactose (0.7) , | |
|
sucrose (0.1) ,D-mannnose (3.9), 2-deoxy-d-glucose (52.2) |
The enzyme is useful for the determination of D-glucose in clinical analysis and self-monitoring blood glucose meters.
Hatada M, Loew N, Inose-Takahashi Y, Okuda-Shimazaki J, Tsugawa W, Mulchandani A, Sode K (2018)
Development of a glucose sensor employing quick and easy modification method with mediator for altering electron acceptor preference.
Bioelectrochemistry, 121, 185-190
Okuda-Shimazaki, J, Yoshida H, Sode K (2020)
FAD dependent glucose dehydrogenases – Discovery and engineering of representative glucose sensing enzymes –
Bioelectrochemistry, 132, 107414
