Extended Data Fig. 8: The structures of Gi-bound class-A GPCRs.
From: Cryo-EM structure of oxysterol-bound human Smoothened coupled to a heterotrimeric Gi

a, Rhodopsin–Gi complex (PDB 6CMO). b, A1R–Gi complex (PDB 6D9H). c, μOR–Gi complex (PDB 6DDE). d, CB1–Gi complex (PDB 6N4B).