The Enzyme Database

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Accepted name: dextransucrase
Reaction: sucrose + [(1→6)-α-D-glucosyl]n = D-fructose + [(1→6)-α-D-glucosyl]n+1
Other name(s): sucrose 6-glucosyltransferase; SGE; CEP; sucrose-1,6-α-glucan glucosyltransferase; sucrose:1,6-α-D-glucan 6-α-D-glucosyltransferase
Systematic name: sucrose:(1→6)-α-D-glucan 6-α-D-glucosyltransferase
Comments: The glucansucrases transfer a D-glucosyl residue from sucrose to a glucan chain. They are classified based on the linkage by which they attach the transferred residue. In some cases, in which the enzyme forms more than one linkage type, classification relies on the relative proportion of the linkages that are generated. This enzyme extends the glucan chain by an α(1→6) linkage.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 9032-14-8
1.  Bailey, R.W. Transglucosidase activity of rumen strains of Streptococcus bovis. 2. Isolation and properties of dextransucrase. Biochem. J. 72 (1959) 42–49. [PMID: 13651133]
2.  Bailey, R.W., Barker, S.A., Bourne, E.J. and Stacey, M. Immunopolysaccharides. Part VI. The isolation and properties of the dextransucrase of Betacoccus arabinosaceous. J. Chem. Soc. (Lond.) (1957) 3530–3536.
3.  Hehre, E.J. Enzymic synthesis of polysaccharides: a biological type of polymerization. Adv. Enzymol. Relat. Subj. Biochem. 11 (1951) 297–337. [PMID: 24540594]
[EC created 1961]

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