KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0196 | - |
pectate | - |
Aspergillus niger | |
1.85 | - |
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate | - |
Aspergillus niger | |
3.31 | - |
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate | - |
Aspergillus niger | |
12.5 | - |
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate | - |
Aspergillus niger |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
46000 | - |
gel filtration | Aspergillus niger |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Aspergillus niger | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Aspergillus niger |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
commercial preparation | commercial preparation of Koch-Light Ltd. Colnbrook, England | Aspergillus niger | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
75.4 | - |
- |
Aspergillus niger |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate + H2O | - |
Aspergillus niger | digalacturonic acid + galacturonate | - |
? | |
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate + H2O | - |
Aspergillus niger | alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate + D-galacturonate | - |
? | |
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate + H2O | - |
Aspergillus niger | alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate + alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate | - |
? | |
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate + H2O | - |
Aspergillus niger | alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate + alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate + alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate | - |
? | |
pectic acid + H2O | - |
Aspergillus niger | galacturonic acid oligomers | - |
? | |
polygalacturonate + H2O | - |
Aspergillus niger | oligogalacturonates | - |
? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
40 | 45 | - |
Aspergillus niger |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
5 | - |
- |
Aspergillus niger |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
3.5 | 6 | pH 3.5: about 30% of maximal activity, pH 6.0: about 30% of maximal activity | Aspergillus niger |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
2.8 | - |
2 h, about 60% loss of activity | Aspergillus niger |
3.5 | - |
2 h, about 25% loss of activity | Aspergillus niger |
5 | - |
2 h, stable | Aspergillus niger |
6 | - |
2 h, about 10% loss of activity | Aspergillus niger |
7 | - |
2 h, about 40% loss of activity | Aspergillus niger |
8 | - |
2 h, about 70% loss of activity | Aspergillus niger |