Fig. 1From: Revealing two important tryptophan residues with completely different roles in a dye-decolorizing peroxidase from Irpex lacteus F17Crystal structure of Il-DyP4. a Ribbon model of Il-DyP4. Helices (α1–α20) were shown in cyan and β-strands (β1–β7) were shown in violet. b Diagram showing the secondary structural elements superimposed on primary sequence. The N-terminal signal peptide sequence prior to the mature protein was colored redBack to article page