The deposited structure of PDB entry 8hcx coloured by chain, front view. This structure contains:

• 1 copy of Guanine nucleotide-binding protein G(q) subunit alpha-1;
• 1 copy of Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1;
• 1 copy of Endothelin receptor type B;
• 1 copy of Endothelin-1;
• 1 copy of scFv16;
• 1 copy of Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2.