The Enzyme Database

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EC 3.2.1.57     
Accepted name: isopullulanase
Reaction: Hydrolysis of pullulan to isopanose (6-α-maltosylglucose)
Glossary: pullulan = a linear polymer of (1→6)-linked maltotriose units
Systematic name: pullulan 4-glucanohydrolase (isopanose-forming)
Comments: The enzyme has practically no action on starch. Panose (4-α-isomaltosylglucose) is hydrolysed to isomaltose and glucose. cf. EC 3.2.1.41 (pullulanase) and EC 3.2.1.135 (neopullulanase).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 37288-43-0
References:
1.  Sakano, Y., Masuda, N. and Kobayashi, T. Hydrolysis of pullulan by a novel enzyme from Aspergillus niger. Agric. Biol. Chem. 35 (1971) 971–973.
[EC 3.2.1.57 created 1972]
 
 


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