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Literature summary for 2.4.1.9 extracted from
- Transfructosidation in extracts of the tubers of Helianthus tuberosus L. (1951), Biochem. J., 49, 529-540.
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| sucrose + [(beta-D-Fruf-(2-1))n]-alpha-D-Glup | Helianthus tuberosus | - |
alpha-D-glucose + [(beta-D-Fruf-(2-1))n+1]-alpha-D-Glup | - |
? |  |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Helianthus tuberosus | - |
- |
- |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| tuber | - |
Helianthus tuberosus | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| sucrose + [(beta-D-Fruf-(2-1))n]-alpha-D-Glup | - |
Helianthus tuberosus | alpha-D-glucose + [(beta-D-Fruf-(2-1))n+1]-alpha-D-Glup | - |
? | |
| sucrose + [(beta-D-Fruf-(2-1))n]-alpha-D-Glup | fructoologosaccharides are synthesized from sucrose at the expense of fructose residues from inulin and related polysaccharides. Fructose residues are transferred from polysaccharide to sucrose molecules, forming a trisaccharide in the first instance. Further fructose residues might then be transferred to the trisaccharide, yielding a tetrasaccharide, and so on. No significant reaction with sucrose alone | Helianthus tuberosus | alpha-D-glucose + [(beta-D-Fruf-(2-1))n+1]-alpha-D-Glup | - |
? | |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 6 | 6.5 | crude extract | Helianthus tuberosus |
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Release 2023.1 (January 2023)
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