2XND:
reference: Bioenergetic cost of making an adenosine triphosphate molecule in animal mitochondria., Watt IN, Montgomery MG, Runswick MJ, Leslie AG, Walker JE, Proc Natl Acad Sci U S A. 2010 Sep 28;107(39):16823-7. Epub 2010 Sep 16. PMID: 20847295

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