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Literature summary extracted from
- Purification and properties of an endo-cellulase of avicelase type from Irpex lacteus (Polyporus tulipiferae) (1976), J. Biochem., 79, 977-988.
Inhibitors
| EC Number | Inhibitors | Comment | Organism | Structure |
|---|---|---|---|---|
| 3.2.1.4 | Ag+ | AgNO3 | Irpex lacteus |  |
| 3.2.1.4 | Cu2+ | CuSO4 | Irpex lacteus | |
| 3.2.1.4 | Hg2+ | HgCl2 | Irpex lacteus | |
| 3.2.1.4 | Pb2+ | - |
Irpex lacteus | |
Molecular Weight [Da]
| EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.4 | 56000 | - |
gel filtration | Irpex lacteus |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 3.2.1.4 | Irpex lacteus | - |
i.e. Polyporus tulipiferae | - |
Posttranslational Modification
| EC Number | Posttranslational Modification | Comment | Organism |
|---|---|---|---|
| 3.2.1.4 | glycoprotein | contains 12.2% carbohydrate, the major sugar constituents are glucose and mannose | Irpex lacteus |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 3.2.1.4 | - |
Irpex lacteus |
Source Tissue
| EC Number | Source Tissue | Comment | Organism | Textmining |
|---|
Specific Activity [micromol/min/mg]
| EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.4 | additional information | - |
- |
Irpex lacteus |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 3.2.1.4 | avicel + H2O | - |
Irpex lacteus | ? | glucose + cellobiose + cellotriose + cellotetraose | ? | |
| 3.2.1.4 | carboxymethylcellulose + H2O | - |
Irpex lacteus | additional information | glucose + cellobiose + cellotriose + cellotetraose | ? | |
| 3.2.1.4 | cellotetraose + H2O | - |
Irpex lacteus | 2 cellobiose | + glucose + cellotriose | ? | |
| 3.2.1.4 | cellotriose + H2O | - |
Irpex lacteus | D-glucose + cellobiose | + glucose | ? | |
| 3.2.1.4 | cellulose + H2O | Walseth cellulose | Irpex lacteus | ? | products from Walseth cellulose: glucose + cellobiose + cellotriose + cellotetraose | ? | |
| 3.2.1.4 | p-nitrophenyl beta-D-cellobioside + H2O | - |
Irpex lacteus | glucose + cellobiose + ? | - |
? | |
Temperature Optimum [°C]
| EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.4 | 50 | - |
hydrolysis of carboxymethylcellulose and avicel | Irpex lacteus |
Temperature Stability [°C]
| EC Number | Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.4 | 80 | - |
10 min, complete inactivation | Irpex lacteus |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.4 | 4 | 5 | - |
Irpex lacteus |
pH Stability
| EC Number | pH Stability | pH Stability Maximum | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.4 | 4 | 5 | most stable between pH 4.0 and 5.0 | Irpex lacteus |
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