IUBMB Enzyme Nomenclature


Accepted name: fructan β-fructosidase

Reaction: Hydrolysis of terminal, non-reducing (2→1)- and (2→6)-linked β-D-fructofuranose residues in fructans

For diagram of hydrolysis of the 2,6-bond, click here and the 2,1-bond, click here

Other name(s): exo-β-D-fructosidase; exo-β-fructosidase; polysaccharide β-fructofuranosidase; fructan exohydrolase

Systematic name: β-D-fructan fructohydrolase

Comments: Hydrolyses inulin and levan, and also sucrose.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 37288-56-5


1. DaCosta, T. and Gibbons, R.J. Hydrolysis of levan by human plaque streptococci. Arch. Oral Biol. 13 (1968) 609-617. [PMID: 5244285]

2. Jacques, N.J., Morrey-Jones, J.G. and Walker, G.J. Inducible and constitutive formation of fructanase in batch and continuous cultures of Streptococcus mutans. J. Gen. Microbiol. 131 (1985) 1625-1633. [PMID: 4045423]

[EC created 1972]

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