6IAO:
reference: Structural analysis of Cytochrome P450 BM3 mutant M11 in complex with dithiothreitol., Frydenvang K, Verkade-Vreeker MCA, Dohmen F, Commandeur JNM, Rafiq M, Mirza O, Jorgensen FS, Geerke DP, PLoS One. 2019 May 24;14(5):e0217292. doi: 10.1371/journal.pone.0217292., eCollection 2019. PMID: 31125381

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