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Quinoprotein glucose dehydrogenase

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Title: Quinoprotein glucose dehydrogenase  
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Subject: Oxidative phosphorylation, Pyrroloquinoline quinone
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Quinoprotein glucose dehydrogenase

In chemical reaction

D-glucose + ubiquinone \rightleftharpoons 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. The systematic name of this enzyme class is D-glucose:ubiquinone oxidoreductase. Other names in common use include D-glucose:(pyrroloquinoline-quinone) 1-oxidoreductase, glucose dehydrogenase (PQQ-dependent), glucose dehydrogenase (pyrroloquinoline-quinone), and quinoprotein D-glucose dehydrogenase. This enzyme participates in pentose phosphate pathway. It employs one cofactor, PQQ.


External links

The CAS registry number for this enzyme class is 81669-60-5.
  • IUBMB entry for
  • KEGG entry for
  • BRENDA entry for
  • NiceZyme view of
  • EC2PDB: PDB structures for
  • PRIAM entry for
  • PUMA2 entry for
  • IntEnz: Integrated Enzyme entry for
  • MetaCyc entry for
  • Atomic-resolution structures of enzymes belonging to this class

Gene Ontology (GO) codes

  • EGO entry for GO code 0008876: quinoprotein glucose dehydrogenase
  • AMIGO entry for GO code 0008876: quinoprotein glucose dehydrogenase
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