Limit dextrinase
Definition:
EC Tree > 3 Hydrolases > 3.2 Glycosylases > 3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds > 3.2.1.142 limit dextrinase
Limit dextrinase is a debranching amylase that hydrolyses (1->6)-alpha-D-glucosidic linkages in alpha- and beta-limit dextrins of amylopectin and glycogen, and in amylopectin and pullulan; plant enzymes have little or no action on glycogen, action on amylopectin is incomplete but on alpha-limit dextrins is complete, and maltose is the smallest sugar it can release from an alpha-(1->6)-linkage. By debranching amylopectin limit dextrins it increases fermentable sugar yield in brewing and starch processing. It is distributed across Bacteria and Eukaryota.
Limit dextrinase is a debranching amylase that hydrolyses (1->6)-alpha-D-glucosidic linkages in alpha- and beta-limit dextrins of amylopectin and glycogen, and in amylopectin and pullulan; plant enzymes have little or no action on glycogen, action on amylopectin is incomplete but on alpha-limit dextrins is complete, and maltose is the smallest sugar it can release from an alpha-(1->6)-linkage. By debranching amylopectin limit dextrins it increases fermentable sugar yield in brewing and starch processing. It is distributed across Bacteria and Eukaryota.
References:
Biomedical Dictionary
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