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 1 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
WT Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Ethanol 50% 1703 β€” 58 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))
WT Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Acetonitrile 30% 1703 β€” 149 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))
WT Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Ethanol 10% 100 β€” 49 % 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in %)
WT Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Ethanol 20% 100 β€” 25 % 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in %)
WT Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Ethanol 30% 100 β€” 14 % 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in %)
WT Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Ethanol 40% 100 β€” 6 % 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in %)
WT Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Ethanol 50% 100 β€” 3 % 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in %)
WT Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Ethanol 60% 100 β€” 0 % 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in %)
WT 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 β€” 54 % 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in %)
WT 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 β€” 23 % 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in %)
WT 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 β€” 9 % 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in %)
WT 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 β€” 3 % 100 mM sodium acetate buffer 4.5 Room temperature 3 mM ABTS ABTS radical cation β€” β€” Classical aqueous control (in %)
WT Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Ethanol 50% 1703 β€” 58 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))
WT 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 β€” 80 % 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)
WT 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 β€” 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)
L429V (6C9) Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Ethanol 50% 3579 58 198 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) Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Acetonitrile 30% 3579 149 449 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))
S179P/L429V (5B9) Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Ethanol 50% 2048 58 93 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))
S179P/L429V (5B9) Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Acetonitrile 30% 2048 149 314 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/L429V (7H9) Activity - Classical Activity measured by absorbance spectrophotometry (ABTS radical cation reaction products absorbance measurement, 418 nm) in the presence of organic solvent Ethanol 50% 4767 58 222 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))
β€Ή Prev
1 2 3 4 … 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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