| 0.993842 | Amine |
| 0.98998713 | Serotonin |
| 0.97021735 | Serotonin Vertebrate type 7 |
| -0.7169901 | Serotonin Vertebrate type 1 |
| -0.9125765 | Serotonin Other |
| -0.99277043 | Serotonin Vertebrate type 4 |
| -0.9952717 | Serotonin Vertebrate type 5 |
| -1.0887322 | Serotonin Vertebrate type 6 |
| -1.1291412 | Serotonin Insect type 2 |
| -1.1941782 | Serotonin Insect type 1 |
| -1.2269166 | Serotonin Vertebrate type 2 |
| -0.71960056 | Octopamine |
| -0.8177764 | Dopamine |
| -0.9643018 | Acetylcholine (muscarinic) |
| -1.0695429 | Adrenoceptors |
| -1.2543739 | Histamine |
| -0.67171067 | (Rhod)opsin |
| -0.996388 | Class A Orphan/other |
| -0.9982401 | Gonadotropin-releasing hormone |
| -1.0619526 | Cannabis |
| -1.0736372 | Prostanoid |
| -1.0788097 | Thyrotropin-releasing hormone & Secretagogue |
| -1.0973938 | Olfactory |
| -1.117186 | Hormone protein |
| -1.1323699 | Viral |
| -1.1526073 | Melatonin |
| -1.2356935 | Platelet activating factor |
| -1.2618906 | Lysosphingolipid & LPA (EDG) |
| -1.3123171 | Peptide |
| -1.4931043 | Nucleotide-like |