4PD4:
reference: Structural analysis of atovaquone-inhibited cytochrome bc1 complex reveals the molecular basis of antimalarial drug action., Birth D, Kao WC, Hunte C, Nat Commun. 2014 Jun 4;5:4029. doi: 10.1038/ncomms5029. PMID: 24893593

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