Number of unique ligands per receptor class
| Class (Family) |
A (Rhodopsin) | B1 (Secretin) | B2 (Adhesion) | C (Glutamate) |
D1 (Ste2-like fungal pheromone) |
F (Frizzled) | T2 (Taste 2) | Total |
| No. ligands | 231,327 | 4,443 | 22 | 10,441 | 0 | 1,012 | 576 | 247,821 |
| No. GPCRs with ligand | 242 | 15 | 9 | 15 | 0 | 8 | 25 | |
Ligand coverage of GPCR classes
The GPCRome wheel plot shows receptors for which ligand bioactivity data has been annotated.
Data is shown in a color gradient, where blue denotes a small number of ligands annotated for that receptor, and red implies a high number of annotated ligands.
Data is shown in a color gradient, where blue denotes a small number of ligands annotated for that receptor, and red implies a high number of annotated ligands.