Fig. 8From: Revealing two important tryptophan residues with completely different roles in a dye-decolorizing peroxidase from Irpex lacteus F17The EPR spectra of Il-DyP4 and the W264 variants. a W264F, W264H, W264Y and Il-DyP4. b W264D, W264E, W264G, W264L, W264R and Il-DyP4. The samples used in the assay contained 40Â ÎĽM of the purified enzymes in sodium acetate buffer, pH 6.0Back to article page