| 0.9931291 | Class A Orphan/other |
| -0.75622535 | Peptide |
| -0.9772613 | Nucleotide-like |
| -1.0022373 | Gonadotropin-releasing hormone |
| -1.0453547 | Viral |
| -1.0579969 | Thyrotropin-releasing hormone & Secretagogue |
| -1.0726533 | Melatonin |
| -1.1109887 | Prostanoid |
| -1.1207755 | Hormone protein |
| -1.1677055 | Platelet activating factor |
| -1.180327 | Cannabis |
| -1.2794857 | Lysosphingolipid & LPA (EDG) |
| -1.2865921 | Olfactory |
| -1.348388 | (Rhod)opsin |
| -1.5685319 | Amine |