Extended Data Fig. 1: Biochemical preparation of GPR161-miniGs complex.

a) Cartoon depiction of GPR161 stabilization, solubilization, and purification. b) Size-exclusion chromatogram (left) and SDS-PAGE gel (right) of purified GPR161-Gs complex with Nb35. Purification and SDS-PAGE gel were done once and not repeated. Chromatogram and SDS-PAGE gel are shown for preparation used for cryo-EM analysis.