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Literature summary extracted from
- Purification and characterization of extracellular pectinesterases from Phytophtora infestans (1985), Plant Physiol., 77, 109-112.
Metals/Ions
| EC Number | Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|---|
| 3.1.1.11 | Ca2+ | stimulates, optimal concentration is 0.01 M | Phytophthora infestans |  |
| 3.1.1.11 | Ca2+ | CaCl2, isoenzyme PE I is stimulated to a higher degree than isoenzyme PE II | Phytophthora infestans | |
| 3.1.1.11 | NaCl | stimulates, optimal concentration is 0.1 M | Phytophthora infestans | |
| 3.1.1.11 | NaCl | isoenzyme PE I is stimulated to a higher degree than the enzyme PE II | Phytophthora infestans | |
Molecular Weight [Da]
| EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|---|
| 3.1.1.11 | 35000 | 37000 | isoenzyme PE II, gel filtration | Phytophthora infestans |
| 3.1.1.11 | 40000 | - |
1 * 40000, isoenzyme PE II, SDS-PAGE | Phytophthora infestans |
| 3.1.1.11 | 45000 | - |
isoenzyme PE I, gel filtration | Phytophthora infestans |
Natural Substrates/ Products (Substrates)
| EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 3.1.1.11 | pectin + H2O | Phytophthora infestans | constitutive enzyme | ? | - |
? | |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 3.1.1.11 | Phytophthora infestans | - |
- |
- |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 3.1.1.11 | isoenzyme PE I and isoenzyme PE II | Phytophthora infestans |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 3.1.1.11 | pectin + H2O | - |
Phytophthora infestans | methanol + pectate | - |
? | |
| 3.1.1.11 | pectin + H2O | constitutive enzyme | Phytophthora infestans | ? | - |
? | |
Subunits
| EC Number | Subunits | Comment | Organism |
|---|---|---|---|
| 3.1.1.11 | monomer | 1 * 40000, isoenzyme PE II, SDS-PAGE | Phytophthora infestans |
| 3.1.1.11 | monomer | 1 * 45000-48000, isoenzyme PE I, SDS-PAGE | Phytophthora infestans |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 3.1.1.11 | 7 | 8 | isoenzyme II | Phytophthora infestans |
| 3.1.1.11 | 7 | - |
isoenzyme PE I | Phytophthora infestans |
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