Mannan exo-1,2-1,6-alpha-mannosidase (, exo-1,2-1,6-alpha-mannosidase, 1,2-1,6-alpha-D-mannan D-mannohydrolase) is an enzyme with systematic name (1->2)-(1->6)-alpha-D-mannan D-mannohydrolase. This enzyme catalyses the following chemical reaction
Mannose residues alpha-D-1,3- bonded are released to lesser extent.