... [21], and the more recently published noveltwo -domain laccases [22–24]. The other phylum of the fungi, the Ascomycota or sac fungi, is much less studied, and only the crystal structure of Melanocarpus ... TaLcc1, and Glu in MaL. In addi-tion, the crystal structure of TaLcc1 does not have a chloride attached to the T2 copper, as observed in the crystal structure of MaL. The unique fea-ture of TaLcc1 ... analogous structures of the ascomycete laccase (asco-laccase) MaL, thus giv-ing a comprehensive view of the structure and function of asco-laccases.Results and DiscussionOverall structure The crystal...