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Information on EC 3.2.1.10 - oligo-1,6-glucosidase

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EC Tree
IUBMB Comments
This enzyme, like EC 3.2.1.33 (amylo-alpha-1,6-glucosidase), can release an alpha-1->6-linked glucose, whereas the shortest chain that can be released by EC 3.2.1.41 (pullulanase), EC 3.2.1.142 (limit dextrinase), and EC 3.2.1.68 (isoamylase) is maltose. It also hydrolyses isomaltulose (palatinose), isomaltotriose and panose, but has no action on glycogen or phosphorylase limit dextrin. The enzyme from intestinal mucosa is a single polypeptide chain that also catalyses the reaction of EC 3.2.1.48 (sucrose alpha-glucosidase). Differs from EC 3.2.1.33 (amylo-alpha-1,6-glucosidase) in its preference for short-chain substrates and in its not requiring the 6-glucosylated residue to be at a branch point, i.e. linked at both C-1 and C-4.
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Word Map
The expected taxonomic range for this enzyme is: Eukaryota, Bacteria, Archaea
Synonyms
disaccharidase, sucrase-isomaltase complex, limit-dextrinase, intestinal sucrase/isomaltase, sea lion isomaltase, exo-oligo-1,6-glucosidase, oligo-1,4-1,6-alpha-glucosidase, alpha-glucosidase 2, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
Hydrolysis of (1->6)-alpha-D-glucosidic linkages in some oligosaccharides produced from starch and glycogen by EC 3.2.1.1 (alpha-amylase), and in isomaltose
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PATHWAY SOURCE
PATHWAYS