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Information on EC 3.2.1.68 - isoamylase

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EC Tree
     3 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.68 isoamylase
IUBMB Comments
Also readily hydrolyses amylopectin. Differs from EC 3.2.1.41 (pullulanase) and EC 3.2.1.142 (limit dextrinase) by its inability to hydrolyse pullulan, and by limited action on alpha-limit dextrins. Maltose is the smallest sugar it can release from an alpha-(1->6)-linkage.
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Word Map
The expected taxonomic range for this enzyme is: Bacteria, Eukaryota, Archaea
Synonyms
isoamylase, glycogen debranching enzyme, starch debranching enzyme, alpha-1,6-glucosidase, glycogen-debranching enzyme, isoamylase1, isoamylase 3, atisa3, isoamylase-type debranching enzyme, atisa1, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
alpha-Glcp-(1-3)-alpha-Glcp-(1-6)-[alpha-Glcp-(1-3)-alpha-Glcp-(1-6)-alpha-Glcp-(1-3)-alpha-Glcp-(1-3)]-alpha-Glcp-(1-3)-alpha-Glcp + 2 H2O = 2 alpha-Glcp-(1-3)-alpha-Glcp + alpha-Glcp-(1-3)-alpha-Glcp-(1-3)-alpha-Glcp-(1-3)-alpha-Glcp
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