Ξ²-xylanase from Thermotoga naphthophila ATCC BAA-489
Enzyme Description
Extremophile
Yes
"hyperthermophilic" organism
EC Number
Sequence
MKILPSVLILLLGCVPVFSSQNVSLRELAEKLNIYIGFAAVNNFWSLPDAEKYMEIARREFNILTHENQMKWDTIHPERDRYNFTPAEKHVEFAEENGMIVHGHTLVWHNQLPGWLTGREWTREELLNVLEDHIKTVVSHFKGRVKIWDVVNEAVSDSGTYRESVWYKTIGPEYIEKAFRWAKEADPDAILIYNDYSIEEINAKSNFVYNMIKELKEKGVPVDGIGFQMHIDHRGLNYDSFRRNLERFAELGLQIYITEMDVRIPLSGSEEYYLKKQAEVCAKIFEICLKNPAVKAIQFWGFTDKYSWVPGFFKGYGKALLFDENYNPKPCYYAIKEVLEKKRK
Attia Hamid et al. (2019)
β Cloning, Purification, and Characterization of Recombinant Thermostable Ξ²-Xylanase Tnap_0700 from Thermotoga naphthophila
Applied Biochemistry and Biotechnology
Β· doi:10.1007/s12010-019-03068-0 β
Β· Stability - Incubation
▼
Database ID
UniProt: D2C759 β
Sequence Annotation
Explicit - Provided GenBank Accession Number
Protein Source
Recombinant, host bacterium Escherichia coli BL21 (DE3)
Experimental Data (15 measurements)
15 measurements
| Property | Assay | Solvent | Solvent Volume | Aqueous Reference | Measured Value | Units | Solution | pH | Temperature | Substrate(s) | Product(s) | Cofactor(s) | Shaking | Comments |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stability - Incubation | Activity after incubation (1 hour at room temperature), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Acetone | 10% | 100 | 91 | % | Incubation: ?, Assay: 50 mM citrate-phosphate buffer | Incubation: ?, Assay: 7 | Incubation: Room temperature, Assay: 80Β°C | 1% Xylan | Reducing sugars | β | β | Non-incubated control (in %), assay in aqueous phase | High uncertainty about whether the assay was in aqueous phase or in the presence of organic solvent, uncertainty about control |
| Stability - Incubation | Activity after incubation (1 hour at room temperature), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Acetone | 20% | 100 | 88 | % | Incubation: ?, Assay: 50 mM citrate-phosphate buffer | Incubation: ?, Assay: 7 | Incubation: Room temperature, Assay: 80Β°C | 1% Xylan | Reducing sugars | β | β | Non-incubated control (in %), assay in aqueous phase | High uncertainty about whether the assay was in aqueous phase or in the presence of organic solvent, uncertainty about control |
| Stability - Incubation | Activity after incubation (1 hour at room temperature), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Acetone | 30% | 100 | 75 | % | Incubation: ?, Assay: 50 mM citrate-phosphate buffer | Incubation: ?, Assay: 7 | Incubation: Room temperature, Assay: 80Β°C | 1% Xylan | Reducing sugars | β | β | Non-incubated control (in %), assay in aqueous phase | High uncertainty about whether the assay was in aqueous phase or in the presence of organic solvent, uncertainty about control |
| Stability - Incubation | Activity after incubation (1 hour at room temperature), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Methanol | 10% | 100 | 79 | % | Incubation: ?, Assay: 50 mM citrate-phosphate buffer | Incubation: ?, Assay: 7 | Incubation: Room temperature, Assay: 80Β°C | 1% Xylan | Reducing sugars | β | β | Non-incubated control (in %), assay in aqueous phase | High uncertainty about whether the assay was in aqueous phase or in the presence of organic solvent, uncertainty about control |
| Stability - Incubation | Activity after incubation (1 hour at room temperature), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Methanol | 20% | 100 | 75 | % | Incubation: ?, Assay: 50 mM citrate-phosphate buffer | Incubation: ?, Assay: 7 | Incubation: Room temperature, Assay: 80Β°C | 1% Xylan | Reducing sugars | β | β | Non-incubated control (in %), assay in aqueous phase | High uncertainty about whether the assay was in aqueous phase or in the presence of organic solvent, uncertainty about control |
| Stability - Incubation | Activity after incubation (1 hour at room temperature), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Methanol | 30% | 100 | 71 | % | Incubation: ?, Assay: 50 mM citrate-phosphate buffer | Incubation: ?, Assay: 7 | Incubation: Room temperature, Assay: 80Β°C | 1% Xylan | Reducing sugars | β | β | Non-incubated control (in %), assay in aqueous phase | High uncertainty about whether the assay was in aqueous phase or in the presence of organic solvent, uncertainty about control |
| Stability - Incubation | Activity after incubation (1 hour at room temperature), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Ethanol | 10% | 100 | 94 | % | Incubation: ?, Assay: 50 mM citrate-phosphate buffer | Incubation: ?, Assay: 7 | Incubation: Room temperature, Assay: 80Β°C | 1% Xylan | Reducing sugars | β | β | Non-incubated control (in %), assay in aqueous phase | High uncertainty about whether the assay was in aqueous phase or in the presence of organic solvent, uncertainty about control |
| Stability - Incubation | Activity after incubation (1 hour at room temperature), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Ethanol | 20% | 100 | 90 | % | Incubation: ?, Assay: 50 mM citrate-phosphate buffer | Incubation: ?, Assay: 7 | Incubation: Room temperature, Assay: 80Β°C | 1% Xylan | Reducing sugars | β | β | Non-incubated control (in %), assay in aqueous phase | High uncertainty about whether the assay was in aqueous phase or in the presence of organic solvent, uncertainty about control |
| Stability - Incubation | Activity after incubation (1 hour at room temperature), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Ethanol | 30% | 100 | 88 | % | Incubation: ?, Assay: 50 mM citrate-phosphate buffer | Incubation: ?, Assay: 7 | Incubation: Room temperature, Assay: 80Β°C | 1% Xylan | Reducing sugars | β | β | Non-incubated control (in %), assay in aqueous phase | High uncertainty about whether the assay was in aqueous phase or in the presence of organic solvent, uncertainty about control |
| Stability - Incubation | Activity after incubation (1 hour at room temperature), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | 1-Butanol | 10% | 100 | 88 | % | Incubation: ?, Assay: 50 mM citrate-phosphate buffer | Incubation: ?, Assay: 7 | Incubation: Room temperature, Assay: 80Β°C | 1% Xylan | Reducing sugars | β | β | Non-incubated control (in %), assay in aqueous phase | High uncertainty about whether the assay was in aqueous phase or in the presence of organic solvent, uncertainty about control |
| Stability - Incubation | Activity after incubation (1 hour at room temperature), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | 1-Butanol | 20% | 100 | 82 | % | Incubation: ?, Assay: 50 mM citrate-phosphate buffer | Incubation: ?, Assay: 7 | Incubation: Room temperature, Assay: 80Β°C | 1% Xylan | Reducing sugars | β | β | Non-incubated control (in %), assay in aqueous phase | High uncertainty about whether the assay was in aqueous phase or in the presence of organic solvent, uncertainty about control |
| Stability - Incubation | Activity after incubation (1 hour at room temperature), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | 1-Butanol | 30% | 100 | 77 | % | Incubation: ?, Assay: 50 mM citrate-phosphate buffer | Incubation: ?, Assay: 7 | Incubation: Room temperature, Assay: 80Β°C | 1% Xylan | Reducing sugars | β | β | Non-incubated control (in %), assay in aqueous phase | High uncertainty about whether the assay was in aqueous phase or in the presence of organic solvent, uncertainty about control |
| Stability - Incubation | Activity after incubation (1 hour at room temperature), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Isopropanol | 10% | 100 | 80 | % | Incubation: ?, Assay: 50 mM citrate-phosphate buffer | Incubation: ?, Assay: 7 | Incubation: Room temperature, Assay: 80Β°C | 1% Xylan | Reducing sugars | β | β | Non-incubated control (in %), assay in aqueous phase | High uncertainty about whether the assay was in aqueous phase or in the presence of organic solvent, uncertainty about control |
| Stability - Incubation | Activity after incubation (1 hour at room temperature), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Isopropanol | 20% | 100 | 78 | % | Incubation: ?, Assay: 50 mM citrate-phosphate buffer | Incubation: ?, Assay: 7 | Incubation: Room temperature, Assay: 80Β°C | 1% Xylan | Reducing sugars | β | β | Non-incubated control (in %), assay in aqueous phase | High uncertainty about whether the assay was in aqueous phase or in the presence of organic solvent, uncertainty about control |
| Stability - Incubation | Activity after incubation (1 hour at room temperature), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Isopropanol | 30% | 100 | 76 | % | Incubation: ?, Assay: 50 mM citrate-phosphate buffer | Incubation: ?, Assay: 7 | Incubation: Room temperature, Assay: 80Β°C | 1% Xylan | Reducing sugars | β | β | Non-incubated control (in %), assay in aqueous phase | High uncertainty about whether the assay was in aqueous phase or in the presence of organic solvent, uncertainty about control |
Visualization : Stability β Incubation
One bar per measurement. Colour = solvent, shade = solvent volume.