Glucan 1,4-alpha-glucosidase catalyzes the hydrolysis of terminal 1,4-linked alpha-D-glucose residues from non-reducing ends of polysaccharides, releasing a beta-D-glucose monomer. Some forms of this enzyme can hydrolyze terminal 1,6- and 1,3-alpha-D-glucosidic bonds in polysaccharides as well [1].
Mizuno M, Tonozuka T, Suzuki S, Uotsu-Tomita R, Kamitori S, Nishikawa A, Sakano Y.
Structural insights into substrate specificity and function of glucodextranase.
J. Biol. Chem. 279 2004 10575-83
[PubMed: 14660574] http://dx.doi.org/10.1074/jbc.M310771200