Dextrin_dextranase

Dextrin dextranase

Dextrin dextranase

Class of enzymes

In enzymology, a dextrin dextranase (EC 2.4.1.2) is an enzyme that catalyzes the chemical reaction

(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m (1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1
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Thus, the two substrates of this enzyme are (1,4-alpha-D-glucosyl)n and (1,6-alpha-D-glucosyl)m, whereas its two products are (1,4-alpha-D-glucosyl)n-1 and (1,6-alpha-D-glucosyl)m+1.

This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is 1,4-alpha-D-glucan:1,6-alpha-D-glucan 6-alpha-D-glucosyltransferase. Other names in common use include dextrin 6-glucosyltransferase, and dextran dextrinase.

References

    • Hehre EJ (1951). "Enzymic synthesis of polysaccharides: a biological type of polymerization". Adv. Enzymol. Relat. Subj. Biochem. Advances in Enzymology - and Related Areas of Molecular Biology. 11: 297–337. doi:10.1002/9780470122563.ch6. ISBN 9780470122563.
    • Hehre EJ, Hamilton DM (1949). "Bacterial conversion of dextrin into a polysaccharide with the serological properties of dextran". Proc. Soc. Exp. Biol. Med. 71: 336–339. doi:10.3181/00379727-71-17183.
    • Hehre EJ, Hamilton DM (1953). "The biological synthesis of dextran from dextrins". J. Biol. Chem. 192: 161–174.


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