Fig. 10From: 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 W380 variants. a Wide scan spectra of Il-DyP4 after the addition of H2O2 (10Â eq). b Narrow scan spectra of Il-DyP4 and the W380 variants after the addition of H2O2 (10Â eq). The samples used in the assay contained 40Â ÎĽM of the purified enzymes in 10Â mM sodium acetate buffer, pH 6.0Back to article page