| 0.9797455 | Amine |
| 0.9890246 | Serotonin |
| 0.9403458 | Serotonin Vertebrate type 7 |
| -0.71759844 | Serotonin Vertebrate type 1 |
| -0.9029132 | Serotonin Other |
| -0.9926386 | Serotonin Vertebrate type 4 |
| -0.99557483 | Serotonin Vertebrate type 5 |
| -1.0860505 | Serotonin Vertebrate type 6 |
| -1.1292274 | Serotonin Insect type 2 |
| -1.1939585 | Serotonin Insect type 1 |
| -1.2285078 | Serotonin Vertebrate type 2 |
| -0.72006 | Octopamine |
| -0.81824845 | Dopamine |
| -0.96457916 | Acetylcholine (muscarinic) |
| -1.0708411 | Adrenoceptors |
| -1.2547009 | Histamine |
| -0.675662 | (Rhod)opsin |
| -0.995471 | Class A Orphan/other |
| -0.9987477 | Gonadotropin-releasing hormone |
| -1.0618808 | Cannabis |
| -1.0740954 | Prostanoid |
| -1.0786736 | Thyrotropin-releasing hormone & Secretagogue |
| -1.0983746 | Olfactory |
| -1.117662 | Hormone protein |
| -1.1465517 | Viral |
| -1.1481913 | Melatonin |
| -1.2358228 | Platelet activating factor |
| -1.2626435 | Lysosphingolipid & LPA (EDG) |
| -1.3177781 | Peptide |
| -1.4846281 | Nucleotide-like |