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alpha-amylase family glycosyl hydrolase
Alpha amylase is classified as family 13 of the glycosyl hydrolases. The structure is an 8 stranded alpha/beta barrel containing the active site, interrupted by a ~70 a.a. calcium-binding domain protruding between beta strand 3 and alpha helix 3, and a carboxyl-terminal Greek key beta-barrel domain. [1]. 8107092. Refined molecular structure of pig pancreatic alpha-amylase at 2.1 A resolution. Larson SB, Greenwood A, Cascio D, Day J, McPherson A;. J Mol Biol 1994;235:1560-1584. [2]. 9600843. Crystal structure of yellow meal worm alpha-amylase at 1.64 A resolution. Strobl S, Maskos K, Betz M, Wiegand G, Huber R, Gomis-Ruth FX, Glockshuber R;. J Mol Biol 1998;278:617-628. (from Pfam)
glycoside hydrolase family 13 protein
glycoside hydrolase family 13 protein similar to alpha-glucosidase that catalyzes the hydrolysis of terminal, non-reducing, alpha-glucosidic linkages of oligosaccharides to produce alpha-glucose, as well as oligo-1,6-glucosidase that catalyzes hydrolysis of (1->6)-alpha-D-glucosidic linkages in some oligosaccharides produced from starch and glycogen by alpha-amylase, and in isomaltose
alpha,alpha-phosphotrehalase
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