Reaction: Hydrolysis of (1→4)-α-D-glucosidic linkages in amylaceous polysaccharides, to remove successive maltotriose residues from the non-reducing chain ends
Other name(s): exo-maltotriohydrolase; maltotriohydrolase; 1,4-α-D-glucan maltotriohydrolase
Systematic name: 4-α-D-glucan maltotriohydrolase
Comments: cf. EC 18.104.22.168 (β-amylase), EC 22.214.171.124 (glucan 1,4-α-maltotetraohydrolase) and EC 126.96.36.199 (glucan 1,4-α-maltohexaosidase). The products have the α-configuration.
Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 91273-84-6
1. Nakakuki, T., Azuma, K. and Kainuma, K. Action patterns of various exo-amylases and the anomeric configurations of their products. Carbohydr. Res. 128 (1984) 297-310.