Catechol 2,3-dioxygenase from a coil-contaminated soil metagenomic library
Enzyme Description
Sequence
MGEVVGVGLIAHVPTIMLPKEIRMELNEGKDTTLVPSLEQLRTDVFDTLDYDTVIVLDSHWASTVEFIVTAQERRQGLFTSEELPRGMHGVPFDYRGDPELARLIGEQDEKNGTWITPFDDPDLPVMYATINLWKYLGEGLPDKRWISVSVCQTATDEDFLRCGRAIGEAIAKSDRKVILLASGALSHTFFKLRELRKHEMADPAHIFSDAAREADYERLEWFKAGDHAKVLETMPAFHKVRPEAMFGHWLMTIGAIGEEACTAPGIQLSDYENSIGTGQVHVWFPQPEGGFPRPKDLVLSRED
Yi-Xiang Wang et al. (2025)
β Molecular cloning, characterization, and structural stability analysis of a rare acidic catechol 2,3-dioxygenase from the metagenome of coal-polluted soil
International Journal of Biological Macromolecules
Β· doi:10.1016/j.ijbiomac.2025.143652 β
Β· Activity - Classical
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Database ID
UniParc: UPI003A60A512 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Activity - Classical | Activity measured by absorbance spectrophotometry (2-hydroxymuconic semialdehyde absorbance measurement, 375 nm) in the presence of organic solvent | Methanol | 1% | 100.0 | 116.7 | % | 100 mM phosphate buffer | 4 | 55Β°C | 0.5 mM Catechol | 2-hydroxymuconic semialdehyde | β | β | Classical aqueous control (in %) |
| Activity - Classical | Activity measured by absorbance spectrophotometry (2-hydroxymuconic semialdehyde absorbance measurement, 375 nm) in the presence of organic solvent | Methanol | 5% | 100.0 | 108.3 | % | 100 mM phosphate buffer | 4 | 55Β°C | 0.5 mM Catechol | 2-hydroxymuconic semialdehyde | β | β | Classical aqueous control (in %) |
| Activity - Classical | Activity measured by absorbance spectrophotometry (2-hydroxymuconic semialdehyde absorbance measurement, 375 nm) in the presence of organic solvent | Methanol | 15% | 100.0 | 97.8 | % | 100 mM phosphate buffer | 4 | 55Β°C | 0.5 mM Catechol | 2-hydroxymuconic semialdehyde | β | β | Classical aqueous control (in %) |
| Activity - Classical | Activity measured by absorbance spectrophotometry (2-hydroxymuconic semialdehyde absorbance measurement, 375 nm) in the presence of organic solvent | Ethanol | 1% | 100.0 | 121.7 | % | 100 mM phosphate buffer | 4 | 55Β°C | 0.5 mM Catechol | 2-hydroxymuconic semialdehyde | β | β | Classical aqueous control (in %) |
| Activity - Classical | Activity measured by absorbance spectrophotometry (2-hydroxymuconic semialdehyde absorbance measurement, 375 nm) in the presence of organic solvent | Ethanol | 5% | 100.0 | 127.6 | % | 100 mM phosphate buffer | 4 | 55Β°C | 0.5 mM Catechol | 2-hydroxymuconic semialdehyde | β | β | Classical aqueous control (in %) |
| Activity - Classical | Activity measured by absorbance spectrophotometry (2-hydroxymuconic semialdehyde absorbance measurement, 375 nm) in the presence of organic solvent | Ethanol | 15% | 100.0 | 110.2 | % | 100 mM phosphate buffer | 4 | 55Β°C | 0.5 mM Catechol | 2-hydroxymuconic semialdehyde | β | β | Classical aqueous control (in %) |
| Activity - Classical | Activity measured by absorbance spectrophotometry (2-hydroxymuconic semialdehyde absorbance measurement, 375 nm) in the presence of organic solvent | Isopropanol | 1% | 100.0 | 117.9 | % | 100 mM phosphate buffer | 4 | 55Β°C | 0.5 mM Catechol | 2-hydroxymuconic semialdehyde | β | β | Classical aqueous control (in %) |
| Activity - Classical | Activity measured by absorbance spectrophotometry (2-hydroxymuconic semialdehyde absorbance measurement, 375 nm) in the presence of organic solvent | Isopropanol | 5% | 100.0 | 123.6 | % | 100 mM phosphate buffer | 4 | 55Β°C | 0.5 mM Catechol | 2-hydroxymuconic semialdehyde | β | β | Classical aqueous control (in %) |
| Activity - Classical | Activity measured by absorbance spectrophotometry (2-hydroxymuconic semialdehyde absorbance measurement, 375 nm) in the presence of organic solvent | Isopropanol | 15% | 100.0 | 119.5 | % | 100 mM phosphate buffer | 4 | 55Β°C | 0.5 mM Catechol | 2-hydroxymuconic semialdehyde | β | β | Classical aqueous control (in %) |
| Activity - Classical | Activity measured by absorbance spectrophotometry (2-hydroxymuconic semialdehyde absorbance measurement, 375 nm) in the presence of organic solvent | Acetaldehyde | 1% | 100.0 | 119.5 | % | 100 mM phosphate buffer | 4 | 55Β°C | 0.5 mM Catechol | 2-hydroxymuconic semialdehyde | β | β | Classical aqueous control (in %) |
| Activity - Classical | Activity measured by absorbance spectrophotometry (2-hydroxymuconic semialdehyde absorbance measurement, 375 nm) in the presence of organic solvent | Acetaldehyde | 5% | 100.0 | 142.9 | % | 100 mM phosphate buffer | 4 | 55Β°C | 0.5 mM Catechol | 2-hydroxymuconic semialdehyde | β | β | Classical aqueous control (in %) |
| Activity - Classical | Activity measured by absorbance spectrophotometry (2-hydroxymuconic semialdehyde absorbance measurement, 375 nm) in the presence of organic solvent | Acetaldehyde | 15% | 100.0 | 121.9 | % | 100 mM phosphate buffer | 4 | 55Β°C | 0.5 mM Catechol | 2-hydroxymuconic semialdehyde | β | β | Classical aqueous control (in %) |
| Activity - Classical | Activity measured by absorbance spectrophotometry (2-hydroxymuconic semialdehyde absorbance measurement, 375 nm) in the presence of organic solvent | Dimethyl Sulfoxide (DMSO) | 1% | 100.0 | 102.3 | % | 100 mM phosphate buffer | 4 | 55Β°C | 0.5 mM Catechol | 2-hydroxymuconic semialdehyde | β | β | Classical aqueous control (in %) |
| Activity - Classical | Activity measured by absorbance spectrophotometry (2-hydroxymuconic semialdehyde absorbance measurement, 375 nm) in the presence of organic solvent | Dimethyl Sulfoxide (DMSO) | 5% | 100.0 | 105.2 | % | 100 mM phosphate buffer | 4 | 55Β°C | 0.5 mM Catechol | 2-hydroxymuconic semialdehyde | β | β | Classical aqueous control (in %) |
| Activity - Classical | Activity measured by absorbance spectrophotometry (2-hydroxymuconic semialdehyde absorbance measurement, 375 nm) in the presence of organic solvent | Dimethyl Sulfoxide (DMSO) | 15% | 100.0 | 106.7 | % | 100 mM phosphate buffer | 4 | 55Β°C | 0.5 mM Catechol | 2-hydroxymuconic semialdehyde | β | β | Classical aqueous control (in %) |
Visualization : Activity β Classical
One bar per measurement. Colour = solvent, shade = solvent volume.