ENZYME entry: EC 2.4.1.140

Accepted Name
Alternansucrase.
Alternative Name(s)
Sucrose-1,6(3)-alpha-glucan 6(3)-alpha-glucosyltransferase.
Sucrose:1,6-, 1,3-alpha-D-glucan 3-alpha- and 6-alpha-D- glucosyltransferase.
Reaction catalysed
Transfers alternately an alpha-D-glucosyl residue from sucrose to the 6-position and the 3-position of the non-reducing terminal residue of an alpha-D-glucan, thus producing a glucan having alternating alpha-(1->6)-and alpha-(1->3)-linkages
Comment(s)
The product, which has quite different properties from other dextrans, has been called alternan.
Cross-references
BRENDA2.4.1.140
EC2PDB2.4.1.140
ExplorEnz2.4.1.140
PRIAM enzyme-specific profiles2.4.1.140
KEGG Ligand Database for Enzyme Nomenclature2.4.1.140
IUBMB Enzyme Nomenclature2.4.1.140
IntEnz2.4.1.140
MEDLINEFind literature relating to 2.4.1.140
MetaCyc2.4.1.140

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