| -0.96657705 | Gonadotropin-releasing hormone |
| -1.027856 | Viral |
| -1.0677409 | Hormone protein |
| -1.1754098 | Nucleotide-like |
| -1.1789925 | Prostanoid |
| -1.1839678 | Thyrotropin-releasing hormone & Secretagogue |
| -1.2387307 | Melatonin |
| -1.2497867 | Cannabis |
| -1.306805 | Olfactory |
| -1.3529327 | Platelet activating factor |
| -1.383702 | Lysosphingolipid & LPA (EDG) |
| -1.3992605 | Peptide |
| -1.4192126 | (Rhod)opsin |
| -1.8334913 | Class A Orphan/other |
| -0.9979306 | Mas proto-oncogene |
| -1.2002183 | SREB |
| -1.2131484 | Chemokine receptor-like 2 |
| -1.2398838 | GPR37 like (peptide receptor) |
| -1.2657176 | ORPH |
| -1.284247 | GP40 like |
| -1.3078867 | RDC1 |
| -1.3182852 | Adrenomedullin (G10D) |
| -1.4001875 | BONZO |
| -1.4079794 | GPR |
| -1.4720517 | yet even more Class A Orphans |
| -1.8546331 | Amine |