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Literature summary for 3.2.1.4 extracted from
- Purification and properties of a cellulase from Aspergillus niger (1977), Biochem. J., 165, 33-41.
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 26000 | - |
gel filtration | Aspergillus niger |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Aspergillus niger | - |
- |
- |
Posttranslational Modification
| Posttranslational Modification | Comment | Organism |
|---|---|---|
| no modification | contains no carbohydrate | Aspergillus niger |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Aspergillus niger |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| additional information | - |
- |
Aspergillus niger |
Storage Stability
| Storage Stability | Organism |
|---|---|
| -15°C, indefinitely stable | Aspergillus niger |
| 4°C, stable for several days | Aspergillus niger |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| carboxymethylcellulose + H2O | - |
Aspergillus niger | additional information | - |
? |  |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| monomer | 1 * 26000, SDS-PAGE | Aspergillus niger |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 45 | - |
- |
Aspergillus niger |
Temperature Range [°C]
| Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 20 | 60 | 20°C: about 50% of maximal activity, 60°C: about 30% of maximal activity | Aspergillus niger |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| additional information | - |
more stable to heat treatment at pH 8.0 than at pH 4.0 | Aspergillus niger |
| 25 | - |
pH 1-9 | Aspergillus niger |
| 60 | - |
pH 4.0, extremely sensitive above | Aspergillus niger |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 3.8 | 4 | - |
Aspergillus niger |
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Release 2023.1 (January 2023)
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