Activating Compound | Comment | Organism | Structure |
---|---|---|---|
ferrulic acid | enhances enzyme activity | Musa x paradisiaca | |
protocatechuate | enhances enzyme activity | Musa x paradisiaca |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
2-mercaptoethanol | - |
Musa x paradisiaca | |
5-hydroxy-2-(hydroxymethyl)-4H-pyran-4-one | - |
Musa x paradisiaca | |
ascorbic acid | - |
Musa x paradisiaca | |
Co2+ | - |
Musa x paradisiaca | |
EDTA | - |
Musa x paradisiaca | |
K+ | - |
Musa x paradisiaca | |
L-cysteine | - |
Musa x paradisiaca | |
Na+ | - |
Musa x paradisiaca | |
Sodium azide | - |
Musa x paradisiaca |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
8 | - |
catechol | pH 7.0, 50°C | Musa x paradisiaca | |
10 | - |
4-methylcatechol | pH 7.0, 50°C | Musa x paradisiaca |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Cu2+ | enhances enzyme activity | Musa x paradisiaca | |
Fe2+ | enhances enzyme activity | Musa x paradisiaca | |
Hg2+ | enhances enzyme activity | Musa x paradisiaca | |
Mn2+ | enhances enzyme activity | Musa x paradisiaca | |
Ni2+ | enhances enzyme activity | Musa x paradisiaca |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
40000 | - |
gel filtration | Musa x paradisiaca |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Musa x paradisiaca | - |
- |
- |
Purification (Comment) | Organism |
---|---|
ammonium sulfate precipitation and Sephadex G-100 gel filtration | Musa x paradisiaca |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
leaf | - |
Musa x paradisiaca | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
2 catechol + O2 | - |
Musa x paradisiaca | 2 1,2-benzoquinone + 2 H2O | - |
? | |
4-methylcatechol + O2 | - |
Musa x paradisiaca | 4-methyl-1,2-benzoquinone + H2O | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | 1 * 40000, SDS-PAGE | Musa x paradisiaca |
Synonyms | Comment | Organism |
---|---|---|
polyphenol oxidase | - |
Musa x paradisiaca |
PPO | - |
Musa x paradisiaca |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
- |
Musa x paradisiaca |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | 90 | - |
Musa x paradisiaca |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
60 | 75 | in the range from 60 to 75°C, the half-life of the enzyme reaches from 17 to 77 min | Musa x paradisiaca |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7 | - |
- |
Musa x paradisiaca |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
4 | 9 | - |
Musa x paradisiaca |