| 0.18466331 | Class A Orphan/other |
| -0.49221176 | Peptide |
| -0.8443263 | Viral |
| -0.8700184 | Nucleotide-like |
| -0.9499091 | Prostanoid |
| -1.0137144 | Gonadotropin-releasing hormone |
| -1.0479549 | Thyrotropin-releasing hormone & Secretagogue |
| -1.0509388 | Amine |
| -1.0674146 | Hormone protein |
| -1.1231391 | Cannabis |
| -1.1293852 | Platelet activating factor |
| -1.1504337 | Melatonin |
| -1.2528682 | Olfactory |
| -1.2545786 | (Rhod)opsin |
| -1.3519235 | Lysosphingolipid & LPA (EDG) |