| -0.94621366 | Gonadotropin-releasing hormone |
| -1.0695853 | Hormone protein |
| -1.0849965 | Nucleotide-like |
| -1.1575658 | Thyrotropin-releasing hormone & Secretagogue |
| -1.1663854 | Class A Orphan/other |
| -0.7316077 | yet even more Class A Orphans |
| -1.0084622 | Mas proto-oncogene |
| -1.1746118 | SREB |
| -1.1976836 | GPR |
| -1.2178671 | Chemokine receptor-like 2 |
| -1.243484 | GPR37 like (peptide receptor) |
| -1.2555197 | ORPH |
| -1.2903092 | GP40 like |
| -1.3212013 | Adrenomedullin (G10D) |
| -1.3278532 | RDC1 |
| -1.4095118 | BONZO |
| -1.1843446 | Olfactory |
| -1.2188586 | Prostanoid |
| -1.2364513 | Viral |
| -1.2479018 | Melatonin |
| -1.2754949 | Cannabis |
| -1.3289247 | Peptide |
| -1.3516364 | Platelet activating factor |
| -1.393545 | Lysosphingolipid & LPA (EDG) |
| -1.4228232 | (Rhod)opsin |
| -1.5521212 | Amine |