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Literature summary extracted from
- Purification and biochemical characteristics of beta-D-xylanase from a thermophilic fungus, Thermomyces lanuginosus-SSBP (1999), Biotechnol. Appl. Biochem., 30, 73-79 .
Inhibitors
| EC Number | Inhibitors | Comment | Organism | Structure |
|---|---|---|---|---|
| 3.2.1.8 | Hg2+ | 6 mM, complete inhibition. Addition of 40 mM EDTA does not recover any lost activity | Thermomyces lanuginosus |  |
| 3.2.1.8 | N-bromosuccinamide | oxidation of one or two tryptophan residues by N-bromosuccinamide per enzyme molecule is sufficient to inhibit the enzyme activity completely | Thermomyces lanuginosus | |
| 3.2.1.8 | Pb2+ | 8 mM, 74% residual activity. Addition of 40 mM EDTA does not recover any lost activity | Thermomyces lanuginosus | |
KM Value [mM]
| EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|---|
| 3.2.1.8 | additional information | - |
birchwood xylan | Km value 3.26 mg/ml, pH 6.5, 50°C | Thermomyces lanuginosus |
Localization
| EC Number | Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|---|
| 3.2.1.8 | extracellular | - |
Thermomyces lanuginosus | - |
- |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 3.2.1.8 | Thermomyces lanuginosus | - |
- |
- |
| 3.2.1.8 | Thermomyces lanuginosus SSBP | - |
- |
- |
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 |
|---|---|---|---|---|
| 3.2.1.8 | 3500 | - |
pH 6.5, 50°C | Thermomyces lanuginosus |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 3.2.1.8 | birchwood xylan + H2O | - |
Thermomyces lanuginosus | xylobiose + ? | - |
? | |
| 3.2.1.8 | birchwood xylan + H2O | - |
Thermomyces lanuginosus SSBP | xylobiose + ? | - |
? | |
| 3.2.1.8 | additional information | enzyme displays no other enzyme activity such as cellulase, beta-glucosidase, beta-mannosidase, alpha-arabinofuranosidase, or beta-xylosidase | Thermomyces lanuginosus | ? | - |
? | |
| 3.2.1.8 | additional information | enzyme displays no other enzyme activity such as cellulase, beta-glucosidase, beta-mannosidase, alpha-arabinofuranosidase, or beta-xylosidase | Thermomyces lanuginosus SSBP | ? | - |
? | |
| 3.2.1.8 | oatspelt xylan + H2O | - |
Thermomyces lanuginosus | xylobiose + ? | - |
? | |
| 3.2.1.8 | oatspelt xylan + H2O | - |
Thermomyces lanuginosus SSBP | xylobiose + ? | - |
? | |
Subunits
| EC Number | Subunits | Comment | Organism |
|---|---|---|---|
| 3.2.1.8 | ? | x * 23600, SDS-PAGE | Thermomyces lanuginosus |
Temperature Optimum [°C]
| EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.8 | 70 | 75 | - |
Thermomyces lanuginosus |
Temperature Stability [°C]
| EC Number | Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.8 | 60 | - |
3 h, no loss of activity | Thermomyces lanuginosus |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.8 | 6.5 | - |
- |
Thermomyces lanuginosus |
pH Stability
| EC Number | pH Stability | pH Stability Maximum | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.8 | 5 | 12 | - |
Thermomyces lanuginosus |
pI Value
| EC Number | Organism | Comment | pI Value Maximum | pI Value |
|---|---|---|---|---|
| 3.2.1.8 | Thermomyces lanuginosus | isoelectric focusing | - |
3.8 |
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