Any feedback?
Literature summary for 3.2.1.21 extracted from
- Comparison of catalytic properties of free and immobilized cellobiase novozym 188 (2001), Appl. Biochem. Biotechnol., 91-93, 615-626.
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| cellobiose + H2O | Aspergillus niger | - |
2 beta-D-glucose | - |
? |  |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Aspergillus niger | - |
novozym 188 | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 9.5 | - |
50°C, pH 4.8 | Aspergillus niger |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| cellobiose + H2O | - |
Aspergillus niger | 2 beta-D-glucose | - |
? | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| cellobiase | - |
Aspergillus niger |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 65 | - |
- |
Aspergillus niger |
Temperature Range [°C]
| Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 40 | 75 | approx. 20% of maximal activity at 40°C and pH 4.5, approx. 15% of maximal activity at 70°C and pH 4.5 | Aspergillus niger |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 40 | 55 | no loss of activity after 240 min | Aspergillus niger |
| 60 | - |
approx. 15% loss of activity after 240 min | Aspergillus niger |
| 65 | - |
approx. 70% loss of activity after 240 min | Aspergillus niger |
| 70 | - |
complete loss of activity after 90 min | Aspergillus niger |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 4.5 | - |
- |
Aspergillus niger |
pH Range
| pH Minimum | pH Maximum | Comment | Organism |
|---|---|---|---|
| 3 | 7 | approx. 30% of maximal activity at pH 3.0 and 65°C, approx. 5% of maximal activity at pH 6.0 and 65°C | Aspergillus niger |
Use of this online version of BRENDA is free under the CC BY 4.0 license. See terms of use for full details.
Release 2023.1 (January 2023)
Legal
Curated at
Member of
