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Literature summary for 3.2.1.8 extracted from
- Characterization of CBM36-containing GH11 endoxylanase NtSymX11 from the hindgut metagenome of higher termite Nasutitermes takasagoensis displaying prominent catalytic activity (2019), Carbohydr. Res., 474, 1-7 .
Cloned(Commentary)
| Cloned (Comment) | Organism |
|---|---|
| expression in Escherichia coli | uncultured bacterium |
General Stability
| General Stability | Organism |
|---|---|
| by comparing the properties of full-length and truncated variants of NtSymX11, it is shown that the tandem carbohydrate-binding modules (CBM36) decrease the enzyme stability at acidic pH and high temperature | uncultured bacterium |
Metals/Ions
| Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|
| Ca2+ | the two tandem carbohydrate-binding modules (CBM36) play a role in the Ca2+-dependent increase of catalytic efficiency | uncultured bacterium |  |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| uncultured bacterium | A0A3G9FT71 | from the hindgut metagenome of Nasutitermes takasagoensis | - |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
| full-length enzyme and its variants | uncultured bacterium |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| xylan + H2O | - |
uncultured bacterium | xylooligosaccharides | - |
? | |
| xylohexaose + H2O | - |
uncultured bacterium | xylose + xylobiose + xylotriose | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| ? | multimodular enzyme consisting of a catalytic domain and two tandem carbohydrate-binding modules (CBM36) | uncultured bacterium |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| endoxylanase NtSymX11 | - |
uncultured bacterium |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 40 | - |
- |
uncultured bacterium |
Temperature Range [°C]
| Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 30 | 50 | 30°C: about 60% of maximal activity, 50°C: about 50% of maximal activity | uncultured bacterium |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 6 | - |
- |
uncultured bacterium |
pH Range
| pH Minimum | pH Maximum | Comment | Organism |
|---|---|---|---|
| 5.5 | 7 | pH 5.5: about 40% of maximal activity, pH 7.0: about 70% of maximal activity | uncultured bacterium |
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Release 2023.1 (January 2023)
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