1,4-a-glucan 6-a-glucosyltransferase

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In enzymology, a 1,4-alpha-glucan 6-alpha-glucosyltransferase (EC is an enzyme that catalyzes the chemical reaction that transfers an alpha-D-glucosyl residue in a 1,4-alpha-D-glucan to the primary hydroxyl group of glucose or 1,4-alpha-D-glucan.

This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is 1,4-alpha-D-glucan:1,4-alpha-D-glucan(D-glucose) 6-alpha-D-glucosyltransferase. Other names in common use include oligoglucan-branching glycosyltransferase, 1,4-alpha-D-glucan 6-alpha-D-glucosyltransferase, T-enzyme, and D-glucosyltransferase.


  • IUBMB entry for
  • BRENDA references for (Recommended.)
  • PubMed references for
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  • Google Scholar references for
  • Abdullah M and Whelan WJ (1960). "Synthesis of alpha-1:6-glucosidic linkages by a transglycosylase from potato". Biochem. J. 75: 12P.
  • Barker SA and Carrington TR (Lond.). "Studies of Aspergillus niger. Part II. Transglycosidation by Aspergillus niger". J. Chem. Soc.: 3588&ndash, 3593. Check date values in: |date= (help)
  • Saroja K, Venkataraman R and Giri KV (1955). "Transglucosidation in Penicillium chrysogenum Q-176. Isolation and identification of the oligosaccharide". Biochem. J. 60: 399&ndash, 403.

External links

The CAS registry number for this enzyme class is 9030-12-0.

Gene Ontology (GO) codes