General Stability | Organism |
---|---|
anion exchange resins stabilize the enzyme | Aspergillus niveus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | 6.7 mg/ml with [(1->4)-alpha-D-galacturonide]n, pH 4.0, 50°C | Aspergillus niveus |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
extracellular | - |
Aspergillus niveus | - |
- |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Br- | activates by 10% at 10 mg/ml | Aspergillus niveus | |
F- | activates by 17% at 10 mg/ml | Aspergillus niveus | |
K+ | activates by 17% at 10 mg/ml | Aspergillus niveus | |
Mn2+ | activates by 232% at 10 mg/ml | Aspergillus niveus |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
102600 | - |
x * 102600, SDS-PAGE | Aspergillus niveus |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
[(1->4)-alpha-D-galacturonide]n + H2O | Aspergillus niveus | - |
[(1->4)-alpha-D-galacturonide]n-1 + D-galacturonate | - |
? | |
[(1->4)-alpha-D-galacturonide]n + H2O | Aspergillus niveus RP05 | - |
[(1->4)-alpha-D-galacturonide]n-1 + D-galacturonate | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Aspergillus niveus | - |
isolated from decomposing materials | - |
Aspergillus niveus RP05 | - |
isolated from decomposing materials | - |
Posttranslational Modification | Comment | Organism |
---|---|---|
glycoprotein | glycoprotein with 37.7% carbohydrate | Aspergillus niveus |
Purification (Comment) | Organism |
---|---|
native extracellular enzyme 4.4fold by anion exchange chromatography and affinity chromatography | Aspergillus niveus |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
additional information | highest enzyme production at 40°C | Aspergillus niveus | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
[(1->4)-alpha-D-galacturonide]n + H2O | - |
Aspergillus niveus | [(1->4)-alpha-D-galacturonide]n-1 + D-galacturonate | - |
? | |
[(1->4)-alpha-D-galacturonide]n + H2O | polypectate | Aspergillus niveus | [(1->4)-alpha-D-galacturonide]n-1 + D-galacturonate | - |
? | |
[(1->4)-alpha-D-galacturonide]n + H2O | - |
Aspergillus niveus RP05 | [(1->4)-alpha-D-galacturonide]n-1 + D-galacturonate | - |
? | |
[(1->4)-alpha-D-galacturonide]n + H2O | polypectate | Aspergillus niveus RP05 | [(1->4)-alpha-D-galacturonide]n-1 + D-galacturonate | - |
? |
Subunits | Comment | Organism |
---|---|---|
? | x * 102600, SDS-PAGE | Aspergillus niveus |
Synonyms | Comment | Organism |
---|---|---|
Exo-PG | - |
Aspergillus niveus |
exo-polygalacturonase | - |
Aspergillus niveus |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
- |
Aspergillus niveus |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
393.3 | - |
[(1->4)-alpha-D-galacturonide]n | pH 4.0, 50°C | Aspergillus niveus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
4 | 6.5 | - |
Aspergillus niveus |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
3 | 9 | purified enzyme, 24 h, stable, mainly at pH 6.5, retaining more than 70% activity at pH 3.0 and 85% at pH 8.0 | Aspergillus niveus |
Organism | Comment | pI Value Maximum | pI Value |
---|---|---|---|
Aspergillus niveus | - |
- |
5.4 |
kcat/KM Value [1/mMs-1] | kcat/KM Value Maximum [1/mMs-1] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | 58.7 mg/ml/s with [(1->4)-alpha-D-galacturonide]n, pH 4.0, 50°C | Aspergillus niveus |