Catalysis of the hydrolysis of terminal 1,4-beta-linkages of N-acetyl-D-glucosamine (GlcNAc) polymers of chitin and chitodextrins. Typically, exochitinases progressively cleave off two subunits from the reducing or non-reducing ends of the chitin chain.
Source:EC:3.2.1.-,
GOC:bf,
GOC:kah,
GOC:pde,
PMID:21390509,
PMID:11468293,
PMID:16298970