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Information on EC 3.2.1.153 - fructan beta-(2,1)-fructosidase

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IUBMB Comments
Possesses one of the activities of EC 3.2.1.80, fructan beta-fructosidase. While the best substrates are the inulin-type fructans, such as 1-kestose [beta-D-fructofuranosyl-(2->1)-beta-D-fructofuranosyl alpha-D-glucopyranoside] and 1,1-nystose [beta-D-fructofuranosyl-(2->1)-beta-D-fructofuranosyl-(2->1)-beta-D-fructofuranosyl alpha-D-glucopyranoside], some (but not all) levan-type fructans can also be hydrolysed, but more slowly [see EC 3.2.1.154, fructan beta-(2,6)-fructosidase]. Sucrose, while being a very poor substrate, can substantially inhibit enzyme activity in some cases.
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Word Map
The enzyme appears in viruses and cellular organisms
Synonyms
1-FEH, 1-FEH I, 1-FEH II, 1-FEH IIa, 1-FEH w1, 1-FEH w2, 1-FEH2a, 1-FEH2b, 1-FEHa, 1-FEHI, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
Hydrolysis of terminal, non-reducing (2->1)-linked beta-D-fructofuranose residues in fructans
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