Mutant laccase MtLT2 from Myceliophthora thermophila

Enzyme Description

Extremophile
No
EC Number

Sequence

Length: 559 amino acids
QQICNTPSNRACWTDGYDINTDYEVDSPDTGVVRPYTLTLTEVDNWTGPDGVVKEKVMLVNNSIIGPTIFADWGDTIQVTVINNLGTNGTSIHWHGLHQKGTNLHDGVNGITECPIPPKGGRKVYRFKAQQYGTSWYHSHFSAQYGNGVVGAIQINGPASLPYDTDLGVFPISDYYYSSADELVELTKNSGAPFSDNVLFNGTAKHPETGEGEYANVTLTPGRRHRLRLINTSVENHFQVSLVNHTMTIIAADMVPVNAMTVDSLFLGVGQRYDVVIEASRTPGNYWFNVTFGGGLLCGGSRSPYPAAIFHYAGAPGGPPTDEGKAPVDHNCLDLPNLKPVVARDVPLSGLAKRPDNTLDVTLDTMGTPLFVWKVNGSAINIDWGRPVVDYVLTQNTSFPPGHNIVEVNGADQWSYWLIENDPGAPFTLPHPMHLHGHDFYVLGRSPDEPPASKERHVFDPARDAGLLSGANPVRRDVTMLPAFGWVVLAFRADNPGAWLFHCHIAWHVSGGLGVVYLERADDLRGAVSDADADDFDRLCADWRRYWPTNPNPKSDSGL
Miren ZumΓ‘rraga et al. (2007) β€” In Vitro Evolution of a Fungal Laccase in High Concentrations of Organic Cosolvents
Chemistry & Biology  Β· doi:10.1016/j.chembiol.2007.08.010 β†—  Β· Activity - Classical Stability - Incubation
110 measurements
Database ID
β€”
Sequence Annotation
Inferred - from protein name (11 mutations compared to PDB 6F5K, article denomination : MtLT2)
Protein Source
Recombinant, host yeast Saccharomyces cerevisiae

Experimental Data (110 measurements)

110 measurements β€” page 6 of 6
Mutation Property Assay Solvent Solvent Volume Aqueous ReferenceWT Reference Measured Value Units Solution pH Temperature Substrate(s) Product(s) Cofactor(s) Shaking Comments
E182K/L429V/N552H (3D1) Stability - Incubation Activity after incubation (24 hours at room temperature), measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Acetonitrile 30% 100 86 92 % Incubation: 100 mM phosphat buffer, Assay: 20 mM sodium acetate buffer Incubation: 6, Assay: 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Non-incubated control (in %) measured in the presence of organic solvent, assay measured in the presence of organic solvent | Clear about assay and control conditions (both in the presence of organic solvent)
E182K/S280N/L429V/N552H (R2) Stability - Incubation Activity after incubation (24 hours at room temperature), measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Ethanol 50% 100 80 99 % Incubation: 100 mM phosphat buffer, Assay: 20 mM sodium acetate buffer Incubation: 6, Assay: 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Non-incubated control (in %) measured in the presence of organic solvent, assay measured in the presence of organic solvent | Clear about assay and control conditions (both in the presence of organic solvent)
E182K/S280N/L429V/N552H (R2) Stability - Incubation Activity after incubation (24 hours at room temperature), measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Acetonitrile 30% 100 86 100 % Incubation: 100 mM phosphat buffer, Assay: 20 mM sodium acetate buffer Incubation: 6, Assay: 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Non-incubated control (in %) measured in the presence of organic solvent, assay measured in the presence of organic solvent | Clear about assay and control conditions (both in the presence of organic solvent)
E182K/S280N/L429V/N552H (R2) Stability - Incubation Activity after incubation (24 hours at room temperature), measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Dimethylformamide (DMF) 60% 100 β€” 60 % Incubation: 100 mM phosphat buffer, Assay: 20 mM sodium acetate buffer Incubation: 6, Assay: 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Non-incubated control (in %) measured in the presence of organic solvent, assay measured in the presence of organic solvent | Clear about assay and control conditions (both in the presence of organic solvent)
E182K/S280N/L429V/N552H (R2) Stability - Incubation Activity after incubation (24 hours at room temperature), measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Dimethyl Sulfoxide (DMSO) 60% 100 β€” 100 % Incubation: 100 mM phosphat buffer, Assay: 20 mM sodium acetate buffer Incubation: 6, Assay: 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Non-incubated control (in %) measured in the presence of organic solvent, assay measured in the presence of organic solvent | Clear about assay and control conditions (both in the presence of organic solvent)
E182K/S280N/L429V/N552H (R2) Stability - Incubation Activity after incubation (24 hours at room temperature), measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Dimethylacetamide 60% 100 β€” 94 % Incubation: 100 mM phosphat buffer, Assay: 20 mM sodium acetate buffer Incubation: 6, Assay: 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Non-incubated control (in %) measured in the presence of organic solvent, assay measured in the presence of organic solvent | Clear about assay and control conditions (both in the presence of organic solvent)
E182K/S280N/L429V/N552H (R2) Stability - Incubation Activity after incubation (24 hours at room temperature), measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Ethanol 60% 100 β€” 64 % Incubation: 100 mM phosphat buffer, Assay: 20 mM sodium acetate buffer Incubation: 6, Assay: 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Non-incubated control (in %) measured in the presence of organic solvent, assay measured in the presence of organic solvent | Clear about assay and control conditions (both in the presence of organic solvent)
E182K/S280N/L429V/N552H (R2) Stability - Incubation Activity after incubation (24 hours at room temperature), measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Acetone 60% 100 β€” 100 % Incubation: 100 mM phosphat buffer, Assay: 20 mM sodium acetate buffer Incubation: 6, Assay: 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Non-incubated control (in %) measured in the presence of organic solvent, assay measured in the presence of organic solvent | Clear about assay and control conditions (both in the presence of organic solvent)
E182K/S280N/L429V/N552H (R2) Stability - Incubation Activity after incubation (24 hours at room temperature), measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Methanol 60% 100 β€” 100 % Incubation: 100 mM phosphat buffer, Assay: 20 mM sodium acetate buffer Incubation: 6, Assay: 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Non-incubated control (in %) measured in the presence of organic solvent, assay measured in the presence of organic solvent | Clear about assay and control conditions (both in the presence of organic solvent)
E182K/S280N/L429V/N552H (R2) Stability - Incubation Activity after incubation (24 hours at room temperature), measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Acetonitrile 60% 100 β€” 77 % Incubation: 100 mM phosphat buffer, Assay: 20 mM sodium acetate buffer Incubation: 6, Assay: 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Non-incubated control (in %) measured in the presence of organic solvent, assay measured in the presence of organic solvent | Clear about assay and control conditions (both in the presence of organic solvent)
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Mutations in this dataset (11)

WT S179P/L429V (5B9) E182K E182K/L429V (7H9) E182K/L429V/N552H (3D1) E182K/S280N/L429V/N552H (R2) S280N S280N/L429V/N552H (2B10) L429V L429V (6C9) N552H

Visualization : Activity β€” Classical

One bar per measurement. Colour = solvent, shade = solvent volume. β€” β€” β€” Reference value. Hover for details.

Mutation Effect

Mutation impact on enzyme stability and function in the presence of organic solvent: comparison of wild-type and mutant values in identical conditions.

Visualization : Stability β€” Incubation

One bar per measurement. Colour = solvent, shade = solvent volume. β€” β€” β€” Reference value. Hover for details.

Mutation Effect

Mutation impact on enzyme stability and function in the presence of organic solvent: comparison of wild-type and mutant values in identical conditions.

Structure

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