Laccase is a kind of Cu-contained polyphenol oxidase produced by many white rot fungi and excreted into the media in form of glycoproteins.More than 20 laccases of different sources have been isolated and purified,some characterisrtics of which were also detailed.Crystal diffraction and other chromatographic spectrum data revealed its space structure and possible electron transferring machnism.Cloning of laccase genes has shown that most of them were located on the chromosomes with about 10 introns.Inducib...