| -0.3086964 | Peptide |
| -0.4522971 | Class A Orphan/other |
| -0.9336703 | yet even more Class A Orphans |
| -0.9880631 | Mas proto-oncogene |
| -1.1063792 | SREB |
| -1.1228865 | Chemokine receptor-like 2 |
| -1.1631248 | GPR37 like (peptide receptor) |
| -1.1862247 | GP40 like |
| -1.2018633 | Adrenomedullin (G10D) |
| -1.2103716 | ORPH |
| -1.211915 | RDC1 |
| -1.3696892 | BONZO |
| -1.6391726 | GPR |
| -0.5719528 | Thyrotropin-releasing hormone & Secretagogue |
| -1.0095325 | Gonadotropin-releasing hormone |
| -1.035001 | Prostanoid |
| -1.0783284 | Melatonin |
| -1.1012962 | Hormone protein |
| -1.1208081 | (Rhod)opsin |
| -1.1466246 | Nucleotide-like |
| -1.1616342 | Amine |
| -1.1723286 | Viral |
| -1.1780682 | Cannabis |
| -1.2280718 | Olfactory |
| -1.264029 | Lysosphingolipid & LPA (EDG) |
| -1.2905431 | Platelet activating factor |