KEGG   ENZYME: 3.2.1.134Help
Entry
EC 3.2.1.134                Enzyme                                 

Name
difructose-anhydride synthase;
inulobiose hydrolase
Class
Hydrolases;
Glycosylases;
Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
BRITE hierarchy
Sysname
bis-D-fructose 2',1:2,1'-dianhydride fructohydrolase
Reaction(IUBMB)
bis-D-fructose 2',1:2,1'-dianhydride + H2O = inulobiose [RN:R03685 R06161]
Reaction(KEGG)
Substrate
bis-D-fructose 2',1:2,1'-dianhydride [CPD:C04333];
H2O [CPD:C00001]
Product
inulobiose [CPD:C01711]
Comment
Produces difructose anhydride by the reverse reaction of partial hydrolysis, forming an alpha-fructosidic linkage.
History
EC 3.2.1.134 created 1992
Reference
1
  Authors
Matsuyama, T. and Tanaka, K.
  Title
On the enzyme of Aspergillus fumigatus producing difructose anhydride I from inulobiose.
  Journal
Agric. Biol. Chem. 53 (1989) 831-832.
Reference
2  [PMID:6757245]
  Authors
Matsuyama T, Tanaka K, Mashiko M, Kanamoto M.
  Title
Enzymic formation of di-D-fructose 1,2'; 2,1' dianhydride from inulobiose by Aspergillus fumigatus.
  Journal
J. Biochem. (Tokyo). 92 (1982) 1325-8.
Other DBs
ExplorEnz - The Enzyme Database: 
IUBMB Enzyme Nomenclature: 
ExPASy - ENZYME nomenclature database: 
BRENDA, the Enzyme Database: 
CAS: 
121479-55-8

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