Glucan 1,4-a-glucosidase
（重定向自Glucoamylase）
Glucan 1,4-alpha-glucosidase (EC3.2.1.3, glucoamylase, amyloglucosidase, gamma-amylase, lysosomal alpha-glucosidase, acid maltase, exo-1,4-alpha-glucosidase, glucose amylase, gamma-1,4-glucan glucohydrolase, acid maltase, 1,4-alpha-D-glucan glucohydrolase) is an enzyme located on the brush border of the small intestine with systematic name 4-alpha-D-glucan glucohydrolase. This enzyme catalyses the following chemical reaction