Fig. 3From: Heterologous expression of a Streptomyces cyaneus laccase for biomass modification applicationsOptimum pH (a) and temperature (b) profiles of ScLac. a The activity of the laccase was measured against 20 µM DMP at 30 °C in buffers with various pH values ranging from pH 3.5–10.0. b The activity of the laccase was measured against 20 µM DMP after incubation for 5 min in the optimal buffer system in a temperature range from 25 to 90 °CBack to article page