| -0.84682673 | Class A Orphan/other |
| -0.7605205 | yet even more Class A Orphans |
| -0.9991791 | Mas proto-oncogene |
| -1.142664 | GPR |
| -1.2022542 | SREB |
| -1.2161245 | Chemokine receptor-like 2 |
| -1.2432773 | GPR37 like (peptide receptor) |
| -1.2720611 | ORPH |
| -1.2871696 | GP40 like |
| -1.3204437 | Adrenomedullin (G10D) |
| -1.3234768 | RDC1 |
| -1.4054279 | BONZO |
| -0.963702 | Gonadotropin-releasing hormone |
| -1.0776377 | Hormone protein |
| -1.0928857 | Nucleotide-like |
| -1.0994949 | Viral |
| -1.1630907 | Thyrotropin-releasing hormone & Secretagogue |
| -1.21155 | Prostanoid |
| -1.2596914 | Melatonin |
| -1.2779231 | Cannabis |
| -1.2797271 | Peptide |
| -1.3565736 | Platelet activating factor |
| -1.384875 | Lysosphingolipid & LPA (EDG) |
| -1.4305252 | Olfactory |
| -1.470233 | (Rhod)opsin |
| -1.6361786 | Amine |