IUBMB Enzyme Nomenclature


Accepted name: β-mannosidase

Reaction: Hydrolysis of terminal, non-reducing β-D-mannose residues in β-D-mannosides

Other name(s): mannanase; mannase; β-D-mannosidase; β-mannoside mannohydrolase; exo-β-D-mannanase

Systematic name: β-D-mannoside mannohydrolase

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 9025-43-8


1. Adams, M., Richtmyer, N.K. and Hudson, C.S. Some enzymes present in highly purified invertase preparations; a contribution to the study of fructofuranosidases, galactosidases, glucosidases and mannosidases. J. Am. Chem. Soc. 65 (1943) 1369-1380.

2. Bartholomew, B.A. and Perry, A.L. The properties of synovial fluid β-mannosidase activity. Biochim. Biophys. Acta 315 (1973) 123-127. [PMID: 4743897]

3. Deuel, H., Lewuenberger, R. and Huber, G. Über den enzymatischen Abbau von Carubin, dem Galaktomannan aus Ceratonia siliqua L. Helv. Chim. Acta 33 (1950) 942-946.

4. Hylin, J.W. and Sawai, K. The enzymatic hydrolysis of Leucaena glauca galactomannan. Isolation of crystalline galactomannan depolymerase. J. Biol. Chem. 239 (1964) 990-992.

[EC created 1961]

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