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Native Microorganism Glucose Dehyrogenase (PQQ-dependent)

Cat No.
DIA-192
Description
In enzymology, a quinoprotein glucose dehydrogenase (EC 1.1.5.2) is an enzyme that catalyzes the chemical reaction: D-glucose + ubiquinone ↔D-glucono-1,5-lactone + ubiquinol. Thus, the two substrates of this enzyme are D-glucose and ubiquinone, whereas its two products are D-glucono-1,5-lactone and ubiquinol. This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with a quinone or similar compound as acceptor. This enzyme participates in pentose phosphate pathway. It employs one cofactor, PQQ.
Abbr
Glucose Dehyrogenase, Native (Microorganism)
Source
Microorganism
Applications
This enzyme is useful for enzymatic determination of D-Glucose.
Appearance
Purple amorphous powder, lyophilized
Form
Freeze dried powder
Enzyme Commission Number
EC 1.1.5.2
Activity
GradeⅢ 500 U/mg-solid or more
CAS No.
81669-60-5
Contaminants
Glucose dehydrogenase < 1.0×10⁻³% (NAD-dependent); Hexokinase < 1.0×10⁻³%
Molecular Weight
approx. 100 kDa (by gel filtration)
pH Stability
pH 3.5-8.5 (25°C, 16hr)
Michaelis Constant
4.8 mM (D-Glucose)
Optimum pH
7
Optimum temperature
37°C
Thermal stability
below 50°C (pH 7.5, 30min)
Stability
Store at -20°C
Stabilizers
Ca⁺⁺, BSA
Inhibitors
Cu⁺⁺, Pb⁺⁺, Ag⁺
Synonyms
Glucose Dehyrogenase; EC 1.1.5.2; D-glucose:ubiquinone oxidoreductase; D-glucose:(pyrroloquinoline-quinone) 1-oxidoreductase; glucose dehydrogenase (PQQ-dependent); glucose dehydrogenase (pyrroloquinoline-quinone); quinoprotein D-glucose dehydrogenase
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