1IKF:
reference: A conformation of cyclosporin A in aqueous environment revealed by the X-ray structure of a cyclosporin-Fab complex., Altschuh D, Vix O, Rees B, Thierry JC, Science 1992 Apr 3;256(5053):92-4. PMID: 1566062

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