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Literature summary for extracted from

  • Bak, T.G.
    Studies on glucose dehydrogenase of Aspergillus oryzae. II. Purification and physical and chemical properties (1967), Biochim. Biophys. Acta, 139, 277-293.
    View publication on PubMed

General Stability

General Stability Organism
glucose, 0.2 M, protects during heat treatment Aspergillus oryzae

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
low speed sedimentation without reaching equilibrium Aspergillus oryzae
gel filtration Aspergillus oryzae


Organism UniProt Comment Textmining
Aspergillus oryzae

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein contains 24% carbohydrate consisting of glucose, mannose and hexosamines Aspergillus oryzae

Purification (Commentary)

Purification (Comment) Organism
Aspergillus oryzae

Source Tissue

Source Tissue Comment Organism Textmining
culture medium
Aspergillus oryzae
Aspergillus oryzae

Specific Activity [micromol/min/mg]

Specific Activity Minimum [┬Ámol/min/mg] Specific Activity Maximum [┬Ámol/min/mg] Comment Organism
additional information
Aspergillus oryzae

Storage Stability

Storage Stability Organism
-18┬░C, 0.05 M potassium phosphate buffer, pH 6.5, 10% loss of activity after 3 months, 50% loss of activity after 6 months Aspergillus oryzae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-glucose + 2,6-dichlorophenolindophenol
Aspergillus oryzae D-gluconic acid + reduced 2,6-dichlorophenolindophenol

Temperature Stability [┬░C]

Temperature Stability Minimum [┬░C] Temperature Stability Maximum [┬░C] Comment Organism
15 min, stable Aspergillus oryzae
15 min, about 40% loss of activity Aspergillus oryzae
15 min, complete loss of activity Aspergillus oryzae

pH Stability

pH Stability pH Stability Maximum Comment Organism
30┬░C, 2 h, about 40% loss of activity Aspergillus oryzae
6 8 30┬░C, 2 h, stable, rapid inactivation outside this range Aspergillus oryzae


Cofactor Comment Organism Structure
FAD contains 1 mol per mol of enzyme Aspergillus oryzae