Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Ag+ | 50% inhibition at 1 mM, complete inhibition at 10 mM | Paecilomyces variotii | |
Al3+ | inhibitory at 10 mM | Paecilomyces variotii | |
Co2+ | inhibitory at 10 mM | Paecilomyces variotii | |
Fe3+ | inhibitory at 10 mM | Paecilomyces variotii | |
Hg2+ | inhibitory at 10 mM | Paecilomyces variotii | |
Mg2+ | inhibitory at 10 mM | Paecilomyces variotii | |
Mn2+ | inhibitory at 10 mM | Paecilomyces variotii | |
additional information | no inhibition by Cu2+ and Na+, poor inhibition by K+ | Paecilomyces variotii | |
Pb2+ | inhibitory at 10 mM | Paecilomyces variotii | |
Zn2+ | inhibitory at 10 mM | Paecilomyces variotii |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | kinetics | Paecilomyces variotii |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
extracellular | - |
Paecilomyces variotii | - |
- |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
77300 | - |
gel filtration | Paecilomyces variotii |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
pectin + H2O | Paecilomyces variotii | the enzyme is highly specific for pectin substrates, overview. It hydrolyzes specifically the terminal glycosidic bond of the polymer and releases galacturonic acid the only degradation product | galacturonic acid + ? | - |
? | |
polygalacturonic acid + H2O | Paecilomyces variotii | - |
galacturonic acid + ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Paecilomyces variotii | - |
isolated from decaying hemicellulosic material collected in the state of Sao Paulo, Brazil | - |
Purification (Comment) | Organism |
---|---|
native extracellular enzyme 13fold by anion exchange chromatography and gel filtration to homogeneity | Paecilomyces variotii |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
298.5 | - |
purified native enzyme | Paecilomyces variotii |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
citric pectin + H2O | the enzyme is highly specific for pectin substrates, citric pectins with a degree of esterification of 31%, 63%, and 93% result in 42.7%, 8.3%, and 0.0% relative activity rates, respectively, overview. It hydrolyzes specifically the terminal glycosidic bond of the polymer and releases galacturonic acid the only degradation product | Paecilomyces variotii | galacturonic acid + ? | - |
? | |
additional information | no activity with xylan, overview | Paecilomyces variotii | ? | - |
? | |
pectin + H2O | the enzyme is highly specific for pectin substrates, overview. It hydrolyzes specifically the terminal glycosidic bond of the polymer and releases galacturonic acid the only degradation product | Paecilomyces variotii | galacturonic acid + ? | - |
? | |
polygalacturonic acid + H2O | - |
Paecilomyces variotii | galacturonic acid + ? | - |
? | |
sodium polypectate + H2O | - |
Paecilomyces variotii | galacturonic acid + ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | 1 * 77300, SDS-PAGE | Paecilomyces variotii |
Synonyms | Comment | Organism |
---|---|---|
exo-polygalacturonase | - |
Paecilomyces variotii |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
65 | - |
- |
Paecilomyces variotii |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
45 | - |
purified enzyme, 90 min, completely stable | Paecilomyces variotii |
55 | - |
purified enzyme, half-life is 50.6 min | Paecilomyces variotii |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
4 | - |
- |
Paecilomyces variotii |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
3 | 6 | purified enzyme, stable | Paecilomyces variotii |
Organism | Comment | pI Value Maximum | pI Value |
---|---|---|---|
Paecilomyces variotii | isoelectric focusing | - |
4.37 |