Fig. 3From: Signal peptide replacement resulted in recombinant homologous expression of laccase Lcc8 in Coprinopsis cinereaa Zymogram of purified Lcc8, Lcc1 and Lcc5 (all 20 mU) and stained with laccase substrates 10 mM MBTH and 10 mM DHPPA. b Isoelectric focusing PAGE stained with laccase substrate MBTH/DHPPA. The figure shows the samples M = SERVA IEF Marker 3–10 Liquid Mix, purified Lcc1, Lcc5 and Lcc8Back to article page