Inhibitors | Comment | Organism | Structure |
---|---|---|---|
ascorbic acid | endogenous ascorbic acid prevents betanidin oxidation, the effect of ascorbic acid on the tyrosinase-mediated catalysis is the reduction of the o-quinone product of the enzymatic reaction back to the corresponding o-diphenol with the concomitant oxidation of ascorbic acid to dehydroascorbic acid | Agaricus bisporus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | betanidin degradation steady-state kinetics | Agaricus bisporus | |
0.66 | - |
betanidin | pH 6.0 | Agaricus bisporus |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Cu2+ | copper-containing enzyme | Agaricus bisporus |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Agaricus bisporus | - |
- |
- |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
commercial preparation | - |
Agaricus bisporus | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
betanidin + O2 | the structural unit of the violet betacyanins from Lampranthus productus flowers, the reacion is reversible by ascorbic acid addition at pH 5.0 and 4°C | Agaricus bisporus | betanidin-quinone + H2O | - |
? | |
additional information | betanidin is a labile compound, overview | Agaricus bisporus | ? | - |
? |
Synonyms | Comment | Organism |
---|---|---|
diphenolase | - |
Agaricus bisporus |
monophenol, o-diphenol: oxygen oxidoreductase | - |
Agaricus bisporus |
More | cf. EC 1.14.18.1 | Agaricus bisporus |
polyphenol oxidase | - |
Agaricus bisporus |
tyrosinase | - |
Agaricus bisporus |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
25 | - |
assay at | Agaricus bisporus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
5 | - |
assay at | Agaricus bisporus |