4PLE:
reference: Unexpected Allosteric Network Contributes to LRH-1 Coregulator Selectivity., Musille PM, Kossmann BR, Kohn JA, Ivanov I, Ortlund EA, J Biol Chem. 2015 Nov 9. pii: jbc.M115.662874. PMID: 26553876

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