| -0.6802603 | Class A Orphan/other |
| -0.682928 | yet even more Class A Orphans |
| -0.9881915 | Mas proto-oncogene |
| -1.127147 | SREB |
| -1.1779033 | Chemokine receptor-like 2 |
| -1.1889391 | GP40 like |
| -1.2079122 | GPR37 like (peptide receptor) |
| -1.211208 | ORPH |
| -1.2615049 | RDC1 |
| -1.2944994 | Adrenomedullin (G10D) |
| -1.3497646 | BONZO |
| -1.5572491 | GPR |
| -0.8727459 | Peptide |
| -1.0173031 | Gonadotropin-releasing hormone |
| -1.0561528 | Thyrotropin-releasing hormone & Secretagogue |
| -1.1031444 | Hormone protein |
| -1.1368976 | (Rhod)opsin |
| -1.149757 | Viral |
| -1.1598514 | Melatonin |
| -1.1680597 | Prostanoid |
| -1.1966969 | Cannabis |
| -1.2035718 | Amine |
| -1.2944837 | Platelet activating factor |
| -1.3193556 | Nucleotide-like |
| -1.371788 | Lysosphingolipid & LPA (EDG) |
| -1.3727052 | Olfactory |