ID 3.2.1.100 DE mannan 1,4-mannobiosidase. AN exo-1,4-beta-mannobiohydrolase. AN mannan 1,4-beta-mannobiosidase. CA Hydrolysis of (1->4)-beta-D-mannosidic linkages in (1->4)-beta-D-mannans, CA to remove successive mannobiose residues from the non-reducing chain CA ends. //