6R4P:
reference: The structure of a membrane adenylyl cyclase bound to an activated stimulatory G protein., Qi C, Sorrentino S, Medalia O, Korkhov VM, Science. 2019 Apr 26;364(6438):389-394. doi: 10.1126/science.aav0778. PMID: 31023924

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