Number of structures, including multiple of same receptor (complex)
Class (Family) |
A (Rhodopsin) | B1 (Secretin) | B2 (Adhesion) | C (Glutamate) |
D1 (Ste2-like fungal pheromone) |
F (Frizzled) | T2 (Taste 2) | Total |
Receptors | 766 | 109 | 26 | 61 | 1 | 22 | 3 | 988 |
Receptor - ligand complexes | 757 | 107 | 24 | 60 | 1 | 20 | 3 | 972 |
Receptor - G protein complexes | 321 | 89 | 26 | 4 | 1 | 6 | 3 | 450 |
Active-state receptors* | 404 | 92 | 26 | 18 | 1 | 7 | 3 | 551 |
Number of unique receptor complexes
Class (Family) |
A (Rhodopsin) | B1 (Secretin) | B2 (Adhesion) | C (Glutamate) |
D1 (Ste2-like fungal pheromone) |
F (Frizzled) | T2 (Taste 2) | Total |
Receptors** | 120 | 15 | 8 | 10 | 1 | 4 | 1 | 159 |
Receptor - ligand complexes | 507 | 69 | 11 | 45 | 1 | 14 | 2 | 649 |
Receptor - G protein complexes | 92 | 15 | 8 | 3 | 1 | 2 | 1 | 122 |
Active-state receptors* | 96 | 15 | 8 | 5 | 1 | 2 | 1 | 128 |
Specific sets of structures can be downloaded from the Structures page.
The latest released structure is from 2022-12-28.
Structural coverage of GPCR Classes
Receptor names: