| -0.6515387 | Class A Orphan/other |
| -0.8491488 | yet even more Class A Orphans |
| -0.9900444 | Mas proto-oncogene |
| -1.1416097 | SREB |
| -1.178381 | GPR37 like (peptide receptor) |
| -1.1785105 | Chemokine receptor-like 2 |
| -1.2467241 | ORPH |
| -1.2564356 | GP40 like |
| -1.2880977 | Adrenomedullin (G10D) |
| -1.3021969 | RDC1 |
| -1.314939 | GPR |
| -1.3913592 | BONZO |
| -0.90690124 | Peptide |
| -1.0107763 | Gonadotropin-releasing hormone |
| -1.0755076 | Viral |
| -1.1072693 | Hormone protein |
| -1.1110779 | Melatonin |
| -1.1390678 | Olfactory |
| -1.1614347 | Thyrotropin-releasing hormone & Secretagogue |
| -1.2064829 | Prostanoid |
| -1.2319349 | Nucleotide-like |
| -1.2435703 | Cannabis |
| -1.2689424 | (Rhod)opsin |
| -1.3229297 | Lysosphingolipid & LPA (EDG) |
| -1.3353233 | Platelet activating factor |
| -1.4046162 | Amine |