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ENZYME

ENZYME entry: EC 3.2.1.153

PURL: https://purl.expasy.org/enzyme/EC/3.2.1.153
Accepted Name
fructan beta-(2,1)-fructosidase
Alternative Name(s)
1-FEH II
1-FEH w1
1-FEH w2
1-fructan exohydrolase
beta-(2,1)-D-fructan fructohydrolase
beta-(2-1)-D-fructan fructohydrolase
beta-(2-1)fructan exohydrolase
beta-(2-1)-linkage-specific fructan-beta-fructosidase
inulinase
Reaction catalysed
Hydrolysis of terminal, non-reducing (2->1)-linked beta-D-fructofuranose residues in fructans
Comment(s)
  • Possesses one of the activities of EC 3.2.1.80.
  • 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 hydrolyzed, but more slowly (see EC 3.2.1.154).
  • Sucrose, while being a very poor substrate, can substantially inhibit enzyme activity in some cases.
Cross-references
BRENDA3.2.1.153
EC2PDB3.2.1.153
ExplorEnz3.2.1.153
KEGG Ligand Database for Enzyme Nomenclature3.2.1.153
IUBMB Enzyme Nomenclature3.2.1.153
MEDLINEFind literature relating to 3.2.1.153
MetaCyc3.2.1.153
Rhea expert-curated reactions3.2.1.153
UniProtKB/Swiss-Prot
Q84PN8, 1FEH1_WHEATQ84LA1, 1FEH2_WHEATB6DZC8, 1FEH3_WHEAT
B6DZD1, 1FEH_AEGSPB6DZD2, 1FEH_AEGTAD2IGW7, 1FEH_BROPI
Q70AT7, 1FEH_HORVUB6DXP5, 1FEH_LEYCHB6DZD0, 1FEH_TRIUA

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All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 3.2.1.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 3.2.-.-
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