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

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EC Tree
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
ci1-feh iia, lp1-feha, 1-feh w1, 1-feh w2, 1-fructan exohydrolase, fructan 1-exohydrolase w2, wfh-sm3m, 1-feh2a, 1-feh2b, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
1,1,1,1-kestohexaose + H2O = 1,1,1-kestopentaose + beta-D-fructofuranose
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