Figure 2From: Cloning, sequence analysis, expression of Cyathus bulleri laccase in Pichia pastoris and characterization of recombinant laccaseEffect of addition of copper salt in induction medium. Extracellular level of laccase in P. pastoris clone pPICZαB lcc-5 after addition of different concentrations of copper sulfate at the beginning of the induction phase.Back to article page