| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Receptors, G-Protein-Coupled | 100 | + | |
| 2 | Receptors, Neurotransmitter | 61 | + | |
| 3 | Receptors, Peptide | 56 | + | |
| 4 | Receptors, Immunologic | 33 | + | |
| 5 | Receptors, Eicosanoid | 23 | + | |
| 6 | Receptors, Purinergic | 14 | + | |
| 7 | Receptors, Proteinase-Activated | 8 | + | |
| 8 | Receptor Protein-Tyrosine Kinases | 8 | + | |
| 9 | Receptors, Biogenic Amine | 5 | + | |
| 10 | Cysteine Loop Ligand-Gated Ion Channel Receptors | 5 | + | |
| 11 | Receptors, Notch | 2 | + |