Application | Comment | Organism |
---|---|---|
agriculture | could help pawpaw growers and food processors to develop proper storage and processing methods to avoid the undesirable color changes | Asimina triloba |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
326.6 | - |
catechol | Km of pawpaw fruit PPO is comparable with the Km of PPO from other fruits | Asimina triloba |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
28200 | - |
PPO exists as two isoforms with molecular weights of 28.2 and 38.3 kDa, SDS-PAGE | Asimina triloba |
28300 | - |
PPO exists as two isoforms with molecular weights of 28.2 and 38.3 kDa, SDS-PAGE | Asimina triloba |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Asimina triloba | - |
pawpaw fruit | - |
Purification (Comment) | Organism |
---|---|
purified by gel filtration | Asimina triloba |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
fruit | - |
Asimina triloba | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
catechol + O2 | - |
Asimina triloba | o-benzoquinone + H2O | - |
? |
Synonyms | Comment | Organism |
---|---|---|
polyphenol oxidase | - |
Asimina triloba |
PPO | - |
Asimina triloba |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
5 | 20 | enzyme exhibits the greatest activity in the temperature zone of 5-20°C | Asimina triloba |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
5 | 80 | crude enzyme exhibits a maximum activity at 5-20°C, but a brief exposure to 40-80°C results in a rapid decline or complete loss of the enzyme activity | Asimina triloba |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6.5 | 7 | PPO activity varies with pH and is the greatest at pH 6.5-7.0 | Asimina triloba |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
4 | 8.5 | pH optimum is determined over a pH 4.0-8.5 range | Asimina triloba |