Dextrin dextranase

dextrin dextranase
Identifiers
EC number	2.4.1.2
CAS number	9032-13-7
Databases
IntEnz	IntEnz view
BRENDA	BRENDA entry
ExPASy	NiceZyme view
KEGG	KEGG entry
MetaCyc	metabolic pathway
PRIAM	profile
PDB structures	RCSB PDB PDBe PDBsum
Gene Ontology	AmiGO / EGO
Search PMC articles PubMed articles NCBI proteins

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 $\rightleftharpoons$ (1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m⁺1

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 and 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 and Hamilton DM (1953). "The biological synthesis of dextran from dextrins". J. Biol. Chem. 192: 161–174.