4Z9G:
reference: Decoding Corticotropin-Releasing Factor Receptor Type 1 Crystal Structures., Dore AS, Bortolato A, Hollenstein K, Cheng RKY, Read RJ, Marshall FH, Curr Mol Pharmacol. 2017;10(4):334-344. doi: 10.2174/1874467210666170110114727. PMID: 28183242

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