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Literature summary for 3.2.1.8 extracted from
- Kinetics and substrate selectivity of a Triticum aestivum xylanase inhibitor (TAXI) resistant D11F/R122D variant of Bacillus subtilis XynA xylanase (2010), J. Biotechnol., 146, 207-214.
Protein Variants
| Protein Variants | Comment | Organism |
|---|---|---|
| D11F/R122D | the mutant shows highly decreased sensitivity to inhibitor Triticum aestivum xylanase inhibitor compared to wild-type enzyme | Bacillus subtilis |
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| Triticum aestivum xylanase inhibitor | TAXI, 44-50% inhibition of the wild-type enzyme, nearly no inhibition of enzyme mutant D11F/R122D | Bacillus subtilis |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| arabinoxylan + H2O | Bacillus subtilis | - |
xylo-oligosaccharide + ? | product analysis, overview | ? |  |
| beta-1,4-xylan + H2O | Bacillus subtilis | - |
xylo-oligosaccharide + ? | product analysis, overview | ? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Bacillus subtilis | P18429 | - |
- |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| arabinoxylan + H2O | - |
Bacillus subtilis | xylo-oligosaccharide + ? | product analysis, overview | ? | |
| arabinoxylan + H2O | higher activity with water-unextractable, than-extractable arabinoxylans, overview | Bacillus subtilis | xylo-oligosaccharide + ? | product analysis, overview | ? | |
| beta-1,4-xylan + H2O | - |
Bacillus subtilis | xylo-oligosaccharide + ? | product analysis, overview | ? | |
| beta-1,4-xylan + H2O | from birchwood xylan and wheat bran | Bacillus subtilis | xylo-oligosaccharide + ? | product analysis, overview | ? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| More | structure homology modelling of wild-type and mutant enzymes, overview | Bacillus subtilis |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| More | the enzyme belongs to glycosyl hydrolase family 11, GH11 | Bacillus subtilis |
| xylanase | - |
Bacillus subtilis |
| XynA | - |
Bacillus subtilis |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 40 | - |
assay at | Bacillus subtilis |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 6 | - |
assay at | Bacillus subtilis |
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Release 2023.1 (January 2023)
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