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Literature summary for 2.4.1.14 extracted from
- Sucrose biosynthesis in Dunaliella II. Isolation and properties of sucrose phosphate synthetase (1978), Planta, 141, 159-163.
Activating Compound
| Activating Compound | Comment | Organism | Structure |
|---|---|---|---|
| phosphate | stimulating at low concentration particularly at high fructose-6-phosphate concentrations | Dunaliella tertiolecta |  |
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| NaCl | 10% of activity remaining above 0.2 M | Dunaliella tertiolecta | |
| phosphate | inhibitory above 4 mM | Dunaliella tertiolecta | |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 4.2 | - |
UDP-glucose | - |
Dunaliella tertiolecta | |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| UDP-alpha-D-glucose + D-fructose 6-phosphate | Dunaliella tertiolecta | catalyzes the penultimate step of sucrose synthesis | UDP + sucrose 6-phosphate | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Dunaliella tertiolecta | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
| partial | Dunaliella tertiolecta |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| UDP-alpha-D-glucose + D-fructose 6-phosphate | - |
Dunaliella tertiolecta | UDP + sucrose 6-phosphate | - |
? | |
| UDP-alpha-D-glucose + D-fructose 6-phosphate | catalyzes the penultimate step of sucrose synthesis | Dunaliella tertiolecta | UDP + sucrose 6-phosphate | - |
? | |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 45 | - |
- |
Dunaliella tertiolecta |
Temperature Range [°C]
| Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 25 | 55 | 50% of activity at 55°C | Dunaliella tertiolecta |
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