Glucose Dehydrogenase (FADGDH-AA)

  • Enzymes for Clinical Chemistry

The enzyme is useful for the determination of d-glucose in clinical analysis and self-monitoring blood glucose meters.

Origin recombinant A. sojae
Systematic name

D-Glucose : acceptor 1-oxidoreductase

EC Number 1.1.5.9
Reaction formula

D-Glucose + acceptor →→→ D-Glucono-1,5-lactone + reduced acceptor

SPECIFICATION

AppearanceYellow lyophilizate
Activity≧500 U/mg lyophilizate
ContaminantNAD Glucose Dehydrogenase  ≺1.0×10-2
Hexokinase ≺1.0×10-2
α-Glucosidase ≺1.0×10-2
β-Glucosidase ≺1.0×10-2
Storagebelow -20℃ protected from light

PROPERTIES

Molecular weightca. 90 kDa (gel filtration)
Structuremonomer, one mole of FAD per mole of enzyme glycoprotein
Michaelis constant9.5×10-2M (d-Glucose)
pH Optimum7.0–7.5
pH Stability2.5–7.5
Optimum temperature40–50℃
Thermal stabilitybelow 50℃
InhibitorsAg2+
Specificityd-glucose (100), Maltose (≺1), 
d-xylose (≺1), d-galactose (≺1) 

APPLICATIONS

The enzyme is useful for the determination of d-glucose in clinical analysis and self-monitoring blood glucose meters.

REFERENCES

Satake, R. et al., J Biosci Bioeng., 120, 498–503 (2015)

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