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 | 190,799 | 5,832 | 0 | 8,066 | 0 | 972 | 466 | 206,135 |
Average no. ligands/GPCR | 651 | 389 | 0 | 367 | 0 | 88 | 19 | 411 |
No. GPCRs with ligand (%) | 209 (71) | 14 (93) | 0 (0) | 11 (50) | 0 (0) | 4 (36) | 25 (100) | |
Ligand coverage of GPCR Classes
Receptor names:
Circle colors indicate a number of ligands:
< 100 | < 500 | < 1000 | 1000+ |