Lignin degradation and detoxification of lignin-derived products. 4 hydroquinone + O2 = 4 benzosemiquinone + 2 H2O Binds 4 Cu cations per monomer. Optimum pH is 5.3. Optimum temperature is 60 degrees Celsius. On the 2D-gel the determined pI of this protein is: 4.27, its MW is: 54.49 kDa. Belongs to the multicopper oxidase family.