| -0.33545703 | Class A Orphan/other |
| -0.9777885 | yet even more Class A Orphans |
| -0.99625504 | Mas proto-oncogene |
| -1.1479642 | Chemokine receptor-like 2 |
| -1.1591365 | SREB |
| -1.1842687 | GPR37 like (peptide receptor) |
| -1.1906751 | GP40 like |
| -1.223917 | ORPH |
| -1.2465371 | RDC1 |
| -1.2716336 | Adrenomedullin (G10D) |
| -1.3455422 | BONZO |
| -1.4741617 | GPR |
| -0.88289565 | Peptide |
| -1.003404 | Gonadotropin-releasing hormone |
| -1.0933979 | Thyrotropin-releasing hormone & Secretagogue |
| -1.1078665 | Melatonin |
| -1.1167952 | Hormone protein |
| -1.1469798 | Viral |
| -1.1723704 | Cannabis |
| -1.1727343 | Prostanoid |
| -1.1908221 | (Rhod)opsin |
| -1.2129451 | Olfactory |
| -1.2350533 | Nucleotide-like |
| -1.2958833 | Platelet activating factor |
| -1.3532698 | Lysosphingolipid & LPA (EDG) |
| -1.4347044 | Amine |