Literature summary for 1.14.18.1 extracted from
Sanchez-Ferrer, A.; Bru, R.; Garcia-Carmona, F.
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 |