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Literature summary extracted from
- Exocellulase of Irpex lacteus (Polyporus tulipiferae) (1988), Methods Enzymol., 160, 403-408.
No PubMed abstract available
Molecular Weight [Da]
| EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.91 | 65000 | - |
gel filtration | Irpex lacteus |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 3.2.1.91 | Irpex lacteus | - |
- |
- |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 3.2.1.91 | - |
Irpex lacteus |
Source Tissue
| EC Number | Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|---|
| 3.2.1.91 | culture filtrate | - |
Irpex lacteus | - |
Specific Activity [micromol/min/mg]
| EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.91 | additional information | - |
- |
Irpex lacteus |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 3.2.1.91 | avicel + H2O | - |
Irpex lacteus | cellobiose | plus traces of cellotriose | ? |  |
| 3.2.1.91 | cellohexaose + H2O | - |
Irpex lacteus | cellotriose + cellobiose + cellotetraose | - |
? | |
| 3.2.1.91 | cellopentaose + H2O | - |
Irpex lacteus | cellobiose + D-glucose + cellotriose | - |
? | |
| 3.2.1.91 | cellotriose + H2O | - |
Irpex lacteus | cellobiose + glucose | - |
? | |
| 3.2.1.91 | cellulose + H2O | - |
Irpex lacteus | cellobiose + D-glucose + cellotriose | different combinations and proportions of products depending on organism | ? | |
| 3.2.1.91 | additional information | not: cellobiose | Irpex lacteus | ? | - |
? | |
| 3.2.1.91 | additional information | hydrolyses internal glucosidic linkages of beta-1,3, 1,4-D-glucan | Irpex lacteus | ? | - |
? | |
Temperature Stability [°C]
| EC Number | Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.91 | 60 | - |
pH 5.5, 10 min, complete loss of activity | Irpex lacteus |
| 3.2.1.91 | 100 | - |
95% loss of activity after 10 min | Irpex lacteus |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.91 | 5 | - |
- |
Irpex lacteus |
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