| -0.41906613 | Class A Orphan/other |
| -0.2755518 | yet even more Class A Orphans |
| -1.0022256 | Mas proto-oncogene |
| -1.1830852 | SREB |
| -1.2069914 | Chemokine receptor-like 2 |
| -1.2172928 | GPR37 like (peptide receptor) |
| -1.2632965 | ORPH |
| -1.2657835 | GP40 like |
| -1.2945895 | Adrenomedullin (G10D) |
| -1.3038791 | RDC1 |
| -1.3775059 | GPR |
| -1.3919992 | BONZO |
| -1.0124656 | Gonadotropin-releasing hormone |
| -1.0756767 | Hormone protein |
| -1.1399676 | Viral |
| -1.1753298 | Thyrotropin-releasing hormone & Secretagogue |
| -1.1759694 | Prostanoid |
| -1.2111269 | Nucleotide-like |
| -1.2521029 | Melatonin |
| -1.2719727 | Cannabis |
| -1.3385925 | Platelet activating factor |
| -1.3432723 | Amine |
| -1.3548361 | Olfactory |
| -1.3903697 | Lysosphingolipid & LPA (EDG) |
| -1.4602433 | Peptide |
| -1.4780415 | (Rhod)opsin |