https://www.ncbi.nlm.nih.gov/Structure/pdb/2IHB
2IHB: Crystal structure of the heterodimeric complex of human RGS10 and activated Gi alpha 3
Guanine nucleotide-binding protein G(k) subunit alphaRegulator of G-protein signalling 10GUANOSINE-5'-DIPHOSPHATEMAGNESIUM IONTETRAFLUOROALUMINATE ION