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. biased ligands | 194,737 | 6,056 | 6 | 8,236 | 0 | 1,010 | 469 | |
No. GPCRs with ligand | 240 | 15 | 5 | 13 | 0 | 8 | 25 | |
Ligand coverage of GPCR classes
Receptor names:
Circle colors indicate a number of ligands:
< 100 | < 500 | < 1000 | 1000+ |