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Literature summary for 3.1.1.11 extracted from
- Effect of temperature and pressure on the combined action of purified tomato pectinmethylesterase and polygalacturonase in presence of pectin (2007), Enzyme Microb. Technol., 40, 1141-1146.
No PubMed abstract available
Activating Compound
| Activating Compound | Comment | Organism | Structure |
|---|---|---|---|
| additional information | the pectinmethylesterase catalyzes pectin de-esterification accelerates by increasing pressure up to 200 MPa in presence of tomato polygalacturonase, higher pressures diminished the tomato pectinmethylesterase activity becoming even lower as compared to atmospheric pressure | Solanum lycopersicum |
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| additional information | the pectinmethylesterase catalyzes pectin de-esterification accelerates by increasing pressure up to 200 MPa in presence of tomato polygalacturonase, higher pressures diminished the tomato pectinmethylesterase activity becoming even lower as compared to atmospheric pressure | Solanum lycopersicum |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| pectin + H2O | Solanum lycopersicum | - |
methanol + pectate | - |
? |  |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Solanum lycopersicum | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
| native enzyme partially, 5.8fold by cation exchange chromatography | Solanum lycopersicum |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| fruit | - |
Solanum lycopersicum | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 26.96 | - |
partially purified enzyme, at pH 7.0, 22°C | Solanum lycopersicum |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| additional information | the pectinmethylesterase catalyzes pectin de-esterification accelerates by increasing pressure up to 200 MPa in presence of tomato polygalacturonase | Solanum lycopersicum | ? | - |
? | |
| pectin + H2O | - |
Solanum lycopersicum | methanol + pectate | - |
? | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| pectinmethylesterase | - |
Solanum lycopersicum |
| PME | - |
Solanum lycopersicum |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 50 | 60 | at atmospheric pressure to 300 MPa | Solanum lycopersicum |
Temperature Range [°C]
| Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 30 | 70 | PME activity during isobaric-isothermal treatment, overview | Solanum lycopersicum |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 4.4 | - |
- |
Solanum lycopersicum |
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