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Literature summary for 1.14.18.1 extracted from
- Kinetic properties of polyphenoloxidase in organic solvents. A study in Brij 96-cyclohexane reverse micelles (1988), FEBS Lett., 233, 363-366.
No PubMed abstract available
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 4 | 5 | 4-methyl catechol | in poly-(10)-oxyethylene oleyl ether-cyclohexane reverse micelles | Vitis vinifera |  |
| 9 | - |
4-methyl catechol | - |
Vitis vinifera | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Vitis vinifera | - |
monastrell grape | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| 4-methylcatechol + O2 | - |
Vitis vinifera | 4-methyl-o-benzoquinone + H2O | - |
? | |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 25 | 40 | catecholase activity | Vitis vinifera |
Temperature Range [°C]
| Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 20 | 45 | 20°C, 85% of maximal activity, broad optimum between 25°C and 40°C, no activity above 45°C | Vitis vinifera |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 5 | 6.5 | catecholase activity entrapped in reverse micelles | Vitis vinifera |
pH Range
| pH Minimum | pH Maximum | Comment | Organism |
|---|---|---|---|
| 4 | 8 | pH 4.0: about 65% of maximal activity, pH 8.0: about 75% of maximal activity, catecholase activity | Vitis vinifera |
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