1PK5:
reference: Structural basis for ligand-independent activation of the orphan nuclear receptor LRH-1., Sablin EP, Krylova IN, Fletterick RJ, Ingraham HA, Mol Cell 2003 Jun;11(6):1575-85. PMID: 12820970

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