文献类型： 外文期刊
第一作者： Hao, Jingzhe
作者： Hao, Jingzhe;Ziya, Nur;Luo, Ying;Jia, Peisong;Hao, Jingzhe;Wang, Hexiang;Hao, Jingzhe;Wang, Hexiang;Zhang, Weiwei;Zhang, Guoqing;Ng, Tzibun
作者机构：
关键词： Agaricus sinodeliciosus; laccase; enzymatic properties; purification
期刊名称：BIOTECHNOLOGY AND APPLIED BIOCHEMISTRY （ 影响因子：2.431； 五年影响因子：2.124 ）
ISSN： 0885-4513
年卷期：
页码：
收录情况： SCI
摘要： A homogeneous monomeric laccase (ASL) from Agaricus sinodeliciosus, with a molecular mass of 65 kDa, was isolated using ion-exchange chromatography (CM-cellulose and Q-Sepharose) and gel-filtration chromatography (Superdex 75). This laccase exhibited maximum activity at 50 degrees C and pH 5.0. Hg2+ and Cd2+ significantly inhibited its activity. The laccase displayed a K-m value of 0.9 mM toward 2,2 '-azinobis-(3-ethylbenzthiazoline-6-sulfonate) (ABTS). In addition to ABTS, ASL exhibited higher affinity toward o-toluidine and benzidine than other substrates. ASL is able to decolorize malachite green and Eriochrome black T.
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