Extended Data Fig. 2: Cryo-EM density map and refined structures of dimAPJRcmpd644-Gi complex.
From: Structural insight into apelin receptor-G protein stoichiometry

a, The cryo-EM density map and models of transmembrane helices in the ProtA of dimAPJRcmpd644-Gi complex. b, The Cryo-EM density map and models of transmembrane helices in the ProtB of dimAPJRcmpd644-Gi complex. c, Cryo-EM maps for the cmpd644 in the structure of dimAPJRcmpd644-Gi and monAPJRcmpd644-Gi complexes, respectively.