6GIQ:
reference: Cryo-EM structure of the yeast respiratory supercomplex., Rathore S, Berndtsson J, Marin-Buera L, Conrad J, Carroni M, Brzezinski P, Ott M, Nat Struct Mol Biol. 2019 Jan;26(1):50-57. doi: 10.1038/s41594-018-0169-7. Epub, 2018 Dec 31. PMID: 30598556

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