ENTRY       EC 3.2.1.60
NAME        Glucan 1,4-alpha-maltotetraohydrolase
            Exo-maltotetraohydrolase
CLASS       Hydrolases
            Glycosidases
            Hydrolysing O-glycosyl compounds
SYSNAME     1,4-alpha-D-Glucan maltotetraohydrolase
REACTION    Hydrolysis of 1,4-alpha-D-glucosidic linkages in amylaceous
            polysaccharides so as to remove successive maltotetraose
            residues from the non-reducing chain ends
SUBSTRATE   Amylaceous polysaccharide
            H2O
PRODUCT     Maltotetraose
COMMENT     Compare EC 3.2.1.2, beta-amylase, which removes successive
            maltose residues, and EC 3.2.1.98 and 3.2.1.116.
STRUCTURES  PDB: 2AMG  
DBLINKS     University of Geneva ENZYME DATA BANK: 3.2.1.60
            WIT (What Is There) Metabolic Reconstruction: 3.2.1.60
            SCOP (Structural Classificaion of Proteins): 3.2.1.60
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