2V7Q:
reference: How the regulatory protein, IF1, inhibits F1-ATPase from bovine mitochondria., Gledhill JR, Montgomery MG, Leslie AG, Walker JE, Proc Natl Acad Sci U S A. 2007 Oct 2;104(40):15671-6. Epub 2007 Sep 25. PMID: 17895376

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