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 | 873 | 115 | 27 | 61 | 1 | 22 | 3 | 1102 |
Receptor - ligand complexes | 865 | 113 | 25 | 60 | 1 | 20 | 3 | 1087 |
Receptor - G protein complexes | 408 | 95 | 27 | 4 | 1 | 6 | 3 | 544 |
Active-state receptors* | 495 | 98 | 27 | 18 | 1 | 7 | 3 | 649 |
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** | 141 | 15 | 8 | 10 | 1 | 4 | 1 | 180 |
Receptor - ligand complexes | 582 | 74 | 12 | 45 | 1 | 14 | 2 | 730 |
Receptor - G protein complexes | 119 | 15 | 8 | 3 | 1 | 2 | 1 | 149 |
Active-state receptors* | 122 | 15 | 8 | 5 | 1 | 2 | 1 | 154 |
Specific sets of structures can be downloaded from the Structures page.
The latest released structure is from 2023-06-07.
Structural coverage of GPCR Classes
Receptor names: