Blood group B branched chain alpha-1,3-galactosidase () is an enzyme that catalyses the following chemical reaction:

Hydrolysis of terminal, non-reducing branched (1->3)-alpha-D-galactosidic residues, producing free D-galactose

This enzyme only acts on branched blood group B structures.

See also Blood group B linear chain alpha-1,3-galactosidase

References