Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Na+ | maximal activity of polygalacturonase I in presence of 0.2 M NaCl, maximal activation of polygalacturonase II in presence of 0.3 M NaCl. NaCl activates at pH-values below 6 | Solanum lycopersicum |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
44000 | - |
polygalacturonase I, gel filtration | Solanum lycopersicum |
84000 | - |
polygalacturonase I, gel filtration | Solanum lycopersicum |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Solanum lycopersicum | - |
polygalacturonase I and II | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
polygalacturonate + H2O | - |
Solanum lycopersicum | oligogalacturonates | - |
? |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
57 | - |
50% inactivation after 5 min, polygalacturonase II | Solanum lycopersicum |
65 | - |
polygalacturonase II, complete inactivation after 5 min | Solanum lycopersicum |
78 | - |
50% inactivation after 5 min, polygalacturonase I | Solanum lycopersicum |
90 | - |
complete inactivation of polygalacturonase II after 5 min | Solanum lycopersicum |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
4.5 | - |
hydrolysis of pectic acid | Solanum lycopersicum |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
4.3 | - |
polygalacturonase I is most stable at | Solanum lycopersicum |
5.6 | - |
polygalacturonase II is most stable at | Solanum lycopersicum |