7JSN:
reference: Structure of the Visual Signaling Complex between Transducin and Phosphodiesterase 6., Gao Y, Eskici G, Ramachandran S, Poitevin F, Seven AB, Panova O, Skiniotis G, Cerione RA, Mol Cell. 2020 Oct 15;80(2):237-245.e4. doi: 10.1016/j.molcel.2020.09.013. Epub, 2020 Oct 1. PMID: 33007200

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