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51639 Sigma-Aldrich

Laccase from Trametes versicolor

≥10 U/mg

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Properties

form   powder
specific activity   ≥10 U/mg
storage temp.   −20°C

Description

Application

Laccase is polyphenol oxidase found in many plants, fungi and microorganisms. Laccases may be useful in enzymatic biofuel systems, teeth whitening, textile dyeing, and in other applications that require the removal of oxygen . Product 51639 is from Trametes versicolor.

Biochem/physiol Actions

Laccase is a blue copper oxidase that reduces molecular oxygen to water. Laccase oxidizes polyphenols, methoxy-substituted phenols and diamines, but not tyrosine. Oxidation by laccase is an one-electron reaction that generates a free radical .

Laccase catalyzes the oxidation of phenol containing compounds, including lignin, through the reduction of oxygen to water. The presence of mediators will allow the oxidation of non-phenlic compounds as well. The primary function of laccase is to degrade lignin in fungi.

Unit Definition

1 U corresponds to the amount of enzyme which converts 1 μmol catechol per minute at pH 4.5 and 25°C.

Other Notes

former nomenclature: Coriolus versicolor

Safety & Documentation

Safety Information

Symbol 
GHS08  GHS08
Signal word 
Danger
Hazard statements 
Precautionary statements 
WGK Germany 
1

Documents

Certificate of Analysis (COA)

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Protocols & Articles

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