KEGG   ENZYME: 3.2.1.60Help
Entry
EC 3.2.1.60                 Enzyme                                 

Name
glucan 1,4-alpha-maltotetraohydrolase;
exo-maltotetraohydrolase;
1,4-alpha-D-glucan maltotetraohydrolase
Class
Hydrolases;
Glycosylases;
Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
BRITE hierarchy
Sysname
4-alpha-D-glucan maltotetraohydrolase
Reaction(IUBMB)
Hydrolysis of (1->4)-alpha-D-glucosidic linkages in amylaceous polysaccharides, to remove successive maltotetraose residues from the non-reducing chain ends
Comment
Compare EC 3.2.1.2 beta-amylase, which removes successive maltose residues, and EC 3.2.1.98 (glucan 1,4-alpha-maltohexaosidase) and EC 3.2.1.116 (glucan 1,4-alpha-maltotriohydrolase).
History
EC 3.2.1.60 created 1972
Reference
1
  Authors
Nakakuki, T., Azuma, K. and Kainuma, K.
  Title
Action patterns of various exo-amylases and the anomeric configurations of their products.
  Journal
Carbohydr. Res. 128 (1984) 297-310.
Reference
2  [PMID:5123132]
  Authors
Robyt JF, Ackerman RJ.
  Title
Isolation, purification, and characterization of a maltotetraose-producing amylase from Pseudomonas stutzeri.
  Journal
Arch. Biochem. Biophys. 145 (1971) 105-14.
  Organism
Pseudomonas stutzeri [GN:psa]
Other DBs
ExplorEnz - The Enzyme Database: 
IUBMB Enzyme Nomenclature: 
ExPASy - ENZYME nomenclature database: 
BRENDA, the Enzyme Database: 
CAS: 
37288-44-1

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