| 0.99713993 | Amine |
| 0.99005735 | Serotonin |
| 0.9277962 | Serotonin Vertebrate type 7 |
| -0.7167429 | Serotonin Vertebrate type 1 |
| -0.9160922 | Serotonin Other |
| -0.9927658 | Serotonin Vertebrate type 4 |
| -0.9951493 | Serotonin Vertebrate type 5 |
| -1.0892555 | Serotonin Vertebrate type 6 |
| -1.1291065 | Serotonin Insect type 2 |
| -1.194291 | Serotonin Insect type 1 |
| -1.2263718 | Serotonin Vertebrate type 2 |
| -0.71953076 | Octopamine |
| -0.817642 | Dopamine |
| -0.9641915 | Acetylcholine (muscarinic) |
| -1.0687115 | Adrenoceptors |
| -1.2541963 | Histamine |
| -0.67028475 | (Rhod)opsin |
| -0.9941709 | Class A Orphan/other |
| -0.9995146 | Gonadotropin-releasing hormone |
| -1.0622308 | Cannabis |
| -1.073513 | Prostanoid |
| -1.079625 | Thyrotropin-releasing hormone & Secretagogue |
| -1.0970521 | Olfactory |
| -1.1163756 | Hormone protein |
| -1.15052 | Viral |
| -1.1537642 | Melatonin |
| -1.2356105 | Platelet activating factor |
| -1.263145 | Lysosphingolipid & LPA (EDG) |
| -1.3185844 | Peptide |
| -1.4957366 | Nucleotide-like |