4D6T:
reference: Antimalarial 4(1H)-pyridones bind to the Qi site of cytochrome bc1., Capper MJ, O'Neill PM, Fisher N, Strange RW, Moss D, Ward SA, Berry NG, Lawrenson AS, Hasnain SS, Biagini GA, Antonyuk SV, Proc Natl Acad Sci U S A. 2015 Jan 6. pii: 201416611. PMID: 25564664

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