Difructose-anhydride synthase
| difructose-anhydride synthase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 3.2.1.134 | ||||||||
| CAS number | 121479-55-8 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / EGO | ||||||||
| |||||||||
In enzymology, a difructose-anhydride synthase (EC 3.2.1.134) is an enzyme that catalyzes the chemical reaction
- bis-D-fructose 2',1:2,1'-dianhydride + H2O inulobiose
Thus, the two substrates of this enzyme are bis-D-fructose 2',1:2,1'-dianhydride and H2O, whereas its product is inulobiose.
This enzyme belongs to the family of hydrolases, specifically those glycosidases that hydrolyse O- and S-glycosyl compounds. The systematic name of this enzyme class is bis-D-fructose 2',1:2,1'-dianhydride fructohydrolase. This enzyme is also called inulobiose hydrolase.
References
- Matsuyama T; Tanaka K (1989). "On the enzyme of Aspergillus fumigatus producing difructose anhydride I from inulobiose". Agric. Biol. Chem. 53: 831–832. doi:10.1271/bbb1961.53.831.
- Matsuyama T, Tanaka K, Mashiko M, Kanamoto M. "Enzymic formation of di-D-fructose 1,2'; 2,1' dianhydride from inulobiose by Aspergillus fumigatus". J. Tokyo. Biochem. (4): 1325–8. PMID 6757245.
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