3V3C:
reference: Structure and flexibility of the C-ring in the electromotor of rotary F(o)F(1)-ATPase of pea chloroplasts., Saroussi S, Schushan M, Ben-Tal N, Junge W, Nelson N, PLoS One. 2012;7(9):e43045. doi: 10.1371/journal.pone.0043045. Epub 2012 Sep 25. PMID: 23049735

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