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 5 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) Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Acetonitrile 20% 100 23 48 % 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in %)
E182K/L429V/N552H (3D1) Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Acetonitrile 30% 100 9 19 % 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in %)
E182K/L429V/N552H (3D1) Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Acetonitrile 40% 100 3 6 % 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in %)
E182K/S280N/L429V/N552H (R2) Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Acetonitrile 10% 100 54 85 % 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in %)
E182K/S280N/L429V/N552H (R2) Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Acetonitrile 20% 100 23 58 % 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in %)
E182K/S280N/L429V/N552H (R2) Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Acetonitrile 30% 100 9 33 % 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in %)
E182K/S280N/L429V/N552H (R2) Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Acetonitrile 40% 100 3 9 % 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in %)
L429V Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Ethanol 50% 3423 58 205 mmol product/(mmol laccase * min) 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in mmol product/(mmol laccase * min))
E182K Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Ethanol 50% 2298 58 142 mmol product/(mmol laccase * min) 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in mmol product/(mmol laccase * min))
N552H Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Ethanol 50% 2167 58 203 mmol product/(mmol laccase * min) 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in mmol product/(mmol laccase * min))
S280N Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Ethanol 50% 1999 58 188 mmol product/(mmol laccase * min) 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in mmol product/(mmol laccase * min))
L429V (6C9) 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 84 % 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)
L429V (6C9) 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 86 % 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)
S179P/L429V (5B9) 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 80 125 % 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)
S179P/L429V (5B9) 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 86 155 % 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/L429V (7H9) 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 80 110 % 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/L429V (7H9) 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 86 138 % 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)
S280N/L429V/N552H (2B10) 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 93 % 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)
S280N/L429V/N552H (2B10) 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 96 % 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/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 Ethanol 50% 100 80 95 % 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)
1 … 3 4 5 6

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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