Sucrose:sucrose fructosyltransferase
In enzymology, a sucrose:sucrose fructosyltransferase (EC 2.4.1.99) is an enzyme that catalyzes the chemical reaction
- 2 sucrose D-glucose + beta-D-fructofuranosyl-(2->1)-beta-D-fructofuranosyl + alpha-D-glucopyranoside
| sucrose 1F-fructosyltransferase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 2.4.1.99 | ||||||||
| CAS number | 73379-56-3 | ||||||||
| 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 / QuickGO | ||||||||
| |||||||||
Hence, this enzyme has one substrate, sucrose, but 3 products: D-glucose, [[beta-D-fructofuranosyl-(2->1)-beta-D-fructofuranosyl]], and alpha-D-glucopyranoside.
This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is sucrose:sucrose 1'-beta-D-fructosyltransferase. Other names in common use include SST, sucrose:sucrose 1-fructosyltransferase, sucrose-sucrose 1-fructosyltransferase, sucrose 1F-fructosyltransferase, and sucrose:sucrose 1F-beta-D-fructosyltransferase.
References
- Henry RJ; Darbyshire B (1980). "Sucrose:sucrose fructosyltransferase and fructan:fructan fructosyltransferase from Allium cepa". Phytochemistry. 19 (6): 1017–1020. doi:10.1016/0031-9422(80)83050-0.
- CJ, Boller T, Wiemken A (2000). "Cloning and functional analysis of sucrose:sucrose 1-fructosyltransferase from tall fescue". Plant Physiol. 124 (3): 1217–28. doi:10.1104/pp.124.3.1217. PMC 59220. PMID 11080298.
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