6N4B:
reference: Structure of a Signaling Cannabinoid Receptor 1-G Protein Complex., Krishna Kumar K, Shalev-Benami M, Robertson MJ, Hu H, Banister SD, Hollingsworth SA, Latorraca NR, Kato HE, Hilger D, Maeda S, Weis WI, Farrens DL, Dror RO, Malhotra SV, Kobilka BK, Skiniotis G, Cell. 2019 Jan 24;176(3):448-458.e12. doi: 10.1016/j.cell.2018.11.040. Epub 2019 , Jan 10. PMID: 30639101

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