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Literature summary for 2.4.1.5 extracted from
- Chemical kinetics, thermodynamics and inactivation kinetics of dextransucrase activity by ultrasound treatment (2020), React. Kinet. Mech. Catal., 129, 843-864 .
No PubMed abstract available
Activating Compound
| Activating Compound | Comment | Organism | Structure |
|---|---|---|---|
| additional information | ultrasound treatment significantly increases dextransucrase activity. The optimal ultrasound conditions are an ultrasound intensity of 1.8 W/cm3 and ultrasound time of 3 min, resulting in the dextransucrase activity increasing by 27.6% | Leuconostoc mesenteroides |
Application
| Application | Comment | Organism |
|---|---|---|
| food industry | important enzyme in food industry. Ultrasound is a tool for increasing the activity, thermal stability and rate of catalysis of dextransucrase and supplies a potential method for expanding the application of dextransucrase | Leuconostoc mesenteroides |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 11.99 | - |
sucrose | 25°C, pH 5.4, ultrasound-treated enzyme | Leuconostoc mesenteroides |  |
| 12.29 | - |
sucrose | 25°C, pH 5.4, untreated enzyme | Leuconostoc mesenteroides | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Leuconostoc mesenteroides | - |
- |
- |
| Leuconostoc mesenteroides CICC-21724 | - |
- |
- |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| sucrose | - |
Leuconostoc mesenteroides | D-fructose + dextran | - |
? | |
| sucrose | - |
Leuconostoc mesenteroides CICC-21724 | D-fructose + dextran | - |
? | |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| additional information | - |
the percentage of thermal stability in ultrasound-treated dextransucrase is increased, while the rate of deactivation is decreased. The degree of thermal inactivation is inversely proportional to the dextransucrase concentration | Leuconostoc mesenteroides |
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