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Literature summary for 1.10.3.2 extracted from

  • Bukh, C.; Lund, M.; Bjerrum, M.J.
    Kinetic studies on the reaction between Trametes villosa laccase and dioxygen (2006), J. Inorg. Biochem., 100, 1547-1557.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
gene lcc1, expression in Aspergillus oryzae as precursor enzyme Trametes villosa

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information transient/stopped-flow and steady-state kinetics, modeling Trametes villosa

Metals/Ions

Metals/Ions Comment Organism Structure
Cu2+ blue multi-copper oxidase Trametes villosa

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
63000
-
2 * 63000, recombinant enzyme, SDS-PAGE Trametes villosa

Organism

Organism UniProt Comment Textmining
Trametes villosa
-
-
-

Purification (Commentary)

Purification (Comment) Organism
recombinant enzyme from Aspergillus oryzae by gel filtration, anion exchange chromatography, ammonium sulfate fractionation, hydrophobic interaction chromatography, and ultrafiltration Trametes villosa

Reaction

Reaction Comment Organism Reaction ID
4 benzenediol + O2 = 4 benzosemiquinone + 2 H2O reaction mechanism of the reduction of dioxygen to water, second-order rate constant for the reaction with dioxygen, ping-pong mechanism, kinetic model Trametes villosa

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-hydroxybenzoic acid + O2
-
Trametes villosa ?
-
?
4-hydroxyphenylacetic acid + O2 second-order rate constant for the reaction with dioxygen Trametes villosa ?
-
?
guaiacolsulfonic acid + O2
-
Trametes villosa ?
-
?
hydroquinone + O2
-
Trametes villosa ?
-
?

Subunits

Subunits Comment Organism
dimer 2 * 63000, recombinant enzyme, SDS-PAGE Trametes villosa

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
assay at Trametes villosa

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
10 35
-
Trametes villosa

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5
-
assay at Trametes villosa

pI Value

Organism Comment pI Value Maximum pI Value
Trametes villosa isoelectric focusing
-
3.5