. "Catalysis of the endohydrolysis of (1->4)-alpha-D-glucosidic linkages in polysaccharides containing three or more alpha-(1->4)-linked D-glucose units." . . "alpha-amylase activity" . "1,4-alpha-D-glucan glucanohydrolase activity" . "alpha amylase activity" . "endoamylase activity" . "glycogenase activity" . "taka-amylase A" . . .