51639
漆酶 来源于云芝
≥10 U/mg
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关于此项目
化学文摘社编号:
EC Number:
420-150-4
UNSPSC Code:
12352204
MDL number:
form
powder
specific activity
≥10 U/mg
storage temp.
−20°C
InChI
1S/C9H13NO/c1-4-10-7(2)5-9(6-11)8(10)3/h5-6H,4H2,1-3H3
InChI key
NWDZDFOKSUDVJV-UHFFFAOYSA-N
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 .
漆酶通过将氧还原成水来催化酚类化合物（包括木质素）的氧化。当存在介体时，漆酶还可以催化非酚类化合物的氧化。漆酶的主要功能是降解真菌中的木质素。
Other Notes
旧命名：云芝（Coriolus versicolor）
1 U corresponds to the amount of enzyme which converts 1 μmol catechol per minute at pH 4.5 and 25°C.
C Madzak et al.
Protein engineering, design & selection : PEDS, 19(2), 77-84 (2005-12-22)
Laccases are oxidizing enzymes of interest because of their potential environmental and industrial applications. We performed site-directed mutagenesis of a laccase produced by Trametes versicolor in order to improve its catalytic properties. Considering a strong interaction of the Asp residue
The structure and function of fungal laccases
Christopher F. Thurston
Microbiology, 140, 19-26 (1994)
Applications of oxidoreductases: Recent progress.
Xu, Feng
Industrial Biotechnology (New Rochelle, N.Y.), 1, 38-50 (2005)
Noémie Lalaoui et al.
Chemical communications (Cambridge, England), 49(81), 9281-9283 (2013-09-03)
We report the functionalization of multi-walled carbon nanotube (MWCNT) electrodes by oxidative electropolymerization of pyrrole monomers bearing pyrene and N-hydroxysuccinimide groups. Both polymers were applied to the immobilization and electrical wiring of Trametes versicolor laccase via chemical grafting or non-covalent
Ngoc Han Tran et al.
Bioresource technology, 147, 667-671 (2013-09-17)
Numerous efforts have been made to remove emerging trace organic contaminants, such as pharmaceuticals and personal care products (PPCPs). This study examined the removal of N,N-diethyl-m-toluamide (DEET) by Trametes versicolor laccase and its laccase-mediator systems. Experimental results showed that DEET
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