| -0.67402935 | Peptide |
| -0.9662377 | Gonadotropin-releasing hormone |
| -1.0047601 | Class A Orphan/other |
| -0.7599228 | GPR |
| -0.8248162 | yet even more Class A Orphans |
| -0.98640263 | Mas proto-oncogene |
| -1.1817061 | SREB |
| -1.2080148 | Chemokine receptor-like 2 |
| -1.2121907 | GPR37 like (peptide receptor) |
| -1.2610261 | ORPH |
| -1.2631838 | GP40 like |
| -1.3103225 | Adrenomedullin (G10D) |
| -1.3126187 | RDC1 |
| -1.403868 | BONZO |
| -1.0795436 | Amine |
| -1.0805444 | Hormone protein |
| -1.1074425 | Olfactory |
| -1.1171867 | Viral |
| -1.1624894 | Prostanoid |
| -1.165941 | Thyrotropin-releasing hormone & Secretagogue |
| -1.1661401 | Nucleotide-like |
| -1.2314653 | Melatonin |
| -1.2507675 | Cannabis |
| -1.2943066 | (Rhod)opsin |
| -1.324141 | Platelet activating factor |
| -1.3775277 | Lysosphingolipid & LPA (EDG) |