| -0.31530273 | Class A Orphan/other |
| -0.07042028 | yet even more Class A Orphans |
| -0.99945664 | Mas proto-oncogene |
| -1.1086763 | GPR |
| -1.1899185 | SREB |
| -1.2112379 | Chemokine receptor-like 2 |
| -1.2347084 | GPR37 like (peptide receptor) |
| -1.262315 | ORPH |
| -1.2788397 | GP40 like |
| -1.3178916 | RDC1 |
| -1.3222868 | Adrenomedullin (G10D) |
| -1.4079487 | BONZO |
| -0.9772333 | Gonadotropin-releasing hormone |
| -1.0454205 | Viral |
| -1.0994986 | Hormone protein |
| -1.1502265 | Olfactory |
| -1.1770371 | Thyrotropin-releasing hormone & Secretagogue |
| -1.1792474 | Prostanoid |
| -1.1840751 | Nucleotide-like |
| -1.2143753 | Melatonin |
| -1.2604325 | Cannabis |
| -1.2788391 | Peptide |
| -1.3493073 | Platelet activating factor |
| -1.3680646 | (Rhod)opsin |
| -1.3855858 | Lysosphingolipid & LPA (EDG) |
| -1.4682478 | Amine |