KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.08 | - |
Pectin | pH 8.3, 50°C, isozyme PME2 | Malpighia glabra | |
0.94 | - |
Pectin | pH 8.3, 50°C, isozyme PME1 | Malpighia glabra |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
5200 | - |
isozyme PME2, gel filtration | Malpighia glabra |
25100 | - |
isozyme PME1, gel filtration | Malpighia glabra |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
pectin + H2O | Malpighia glabra | - |
methanol + pectate | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Malpighia glabra | - |
i.e. Malpighia punicifolia, two isozymes PME1 and PME2 | - |
Purification (Comment) | Organism |
---|---|
native isozymes PME1 389fold and PME2 125fold by ammonium sulfate fractionation, anion exchange chromatography, and gel filtration | Malpighia glabra |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
fruit | - |
Malpighia glabra | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
66 | - |
purified isozyme PME2 | Malpighia glabra |
206 | - |
purified isozyme PME1 | Malpighia glabra |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
pectin + H2O | - |
Malpighia glabra | methanol + pectate | - |
? |
Synonyms | Comment | Organism |
---|---|---|
pectin methylesterase | - |
Malpighia glabra |
PME | - |
Malpighia glabra |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
assay at | Malpighia glabra |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
98 | - |
purified PME1 specific activity increases by 9.63% after 60 min incubation at 98°C, while purified PME2 retains 66% of its specific activity | Malpighia glabra |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8.3 | - |
assay at | Malpighia glabra |