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