1IQC:
reference: Crystal structure of Nitrosomonas europaea cytochrome c peroxidase and the structural basis for ligand switching in bacterial di-heme peroxidases., Shimizu H, Schuller DJ, Lanzilotta WN, Sundaramoorthy M, Arciero DM, Hooper AB, Poulos TL, Biochemistry 2001 Nov 13;40(45):13483-90. PMID: 11695895

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).