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A new class EC 7, Translocases, has been added to the EC list. It will be part of ENZYME from release 2018_10. Read more about EC 7 here.

ENZYME entry: EC

Accepted Name
Soluble quinoprotein glucose dehydrogenase.
Alternative Name(s)
Glucose dehydrogenase (PQQ-dependent).
Soluble glucose dehydrogenase.
Reaction catalysed
D-glucose + acceptor <=> D-glucono-1,5-lactone + reduced acceptor
  • Soluble periplasmic enzyme containing PQQ as prosthetic group, bound to a calcium ion.
  • Electron acceptor is not known.
  • It is assayed with Wurster's Blue or phenazine methosulfate.
  • It has negligible sequence or structure similarity to other quinoproteins.
  • It catalyzes an exceptionally high rate of oxidation of a wide range of aldose sugars, including D-glucose, galactose, arabinose and xylose, and also the disaccharides lactose, cellobiose and maltose.
  • It has been described only in Acinetobacter calcoaceticus.
PRIAM enzyme-specific profiles1.1.99.35
KEGG Ligand Database for Enzyme Nomenclature1.1.99.35
IUBMB Enzyme Nomenclature1.1.99.35
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