2ZXN:
reference: A New Class of Vitamin D Analogues that Induce Structural Rearrangement of the Ligand-Binding Pocket of the Receptor., Inaba Y, Yoshimoto N, Sakamaki Y, Nakabayashi M, Ikura T, Tamamura H, Ito N, Shimizu M, Yamamoto K, J Med Chem. 2009 Feb 4. PMID: 19193059

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