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Literature summary for 3.1.1.11 extracted from
- Changes in molecular weight of transacylated pectin catalyzed by tomato and citrus pectinesterases as determined by gel permeation chromatography (2003), J. Agric. Food Chem., 51, 5455-5461.
Metals/Ions
| Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|
| NaCl | optimal concentration: 0.3-0.5 M | Solanum lycopersicum |  |
| NaCl | optimal concentration: 0.3-0.5 M | Citrus sinensis | |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| pectin + H2O | Solanum lycopersicum | - |
methanol + pectate | - |
? | |
| pectin + H2O | Citrus sinensis | - |
methanol + pectate | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Citrus sinensis | - |
- |
- |
| Solanum lycopersicum | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Solanum lycopersicum |
- |
Citrus sinensis |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 56 | - |
- |
Citrus sinensis |
| 78 | - |
- |
Solanum lycopersicum |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| pectin + H2O | - |
Solanum lycopersicum | methanol + pectate | - |
? | |
| pectin + H2O | - |
Citrus sinensis | methanol + pectate | - |
? | |
| pectin + H2O | no activity if the degree of esterification is below 31% | Solanum lycopersicum | methanol + pectate | - |
? | |
| pectin + H2O | no activity if the degree of esterification is below 31% | Citrus sinensis | methanol + pectate | - |
? | |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 45 | - |
- |
Solanum lycopersicum |
| 65 | - |
- |
Citrus sinensis |
Temperature Range [°C]
| Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 25 | 65 | activity increases with increasing temperature up to 45°C and decreases above | Solanum lycopersicum |
| 25 | 65 | activity increases with increasing temperature up to 65°C | Citrus sinensis |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 5.5 | 7.5 | activity increases with increasing pH up to 45°C | Solanum lycopersicum |
| 5.5 | 7.5 | activity increases with increasing pH up to 45°C | Citrus sinensis |
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Release 2023.1 (January 2023)
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