ENTRY       EC 3.2.1.57
NAME        Isopullulanase
CLASS       Hydrolases
            Glycosidases
            Hydrolysing O-glycosyl compounds
SYSNAME     Pullulan 4-glucanohydrolase (isopanose-forming)
REACTION    Hydrolysis of pullulan to isopanose (6-alpha-maltosylglucose)
SUBSTRATE   Pullulan
            H2O
            Panose
PRODUCT     6-alpha-Maltosylglucose
            Isomaltose
            D-Glucose
COMMENT     The enzyme has practically no action on starch.  Panose
            (4-alpha-isomaltosylaglucose) is hydrolysed to isomaltose and
            glucose.
DBLINKS     University of Geneva ENZYME DATA BANK: 3.2.1.57
            WIT (What Is There) Metabolic Reconstruction: 3.2.1.57
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