Branched-dextran exo-12-alpha-glucosidase (EC 3.2.1.115 dextran 12-alpha-glucosidase dextran alpha-12 debranching enzyme 12-alpha-D-glucosyl-branched-dextran 2-glucohydrolase) is an enzyme with system name (1->2)-alpha-D-glucosyl-branched-dextran 2-glucohydrolase.