| -0.18723764 | Class A Orphan/other |
| -0.18349832 | GPR |
| -0.200404 | yet even more Class A Orphans |
| -1.0001738 | Mas proto-oncogene |
| -1.1880975 | SREB |
| -1.2141027 | Chemokine receptor-like 2 |
| -1.2178123 | GPR37 like (peptide receptor) |
| -1.2554694 | ORPH |
| -1.2781729 | GP40 like |
| -1.3121352 | Adrenomedullin (G10D) |
| -1.3242503 | RDC1 |
| -1.4058249 | BONZO |
| -0.39783943 | Peptide |
| -0.6114033 | Amine |
| -0.61725587 | Olfactory |
| -0.89502096 | Viral |
| -0.9598769 | Gonadotropin-releasing hormone |
| -1.0437925 | Nucleotide-like |
| -1.0712537 | Hormone protein |
| -1.1509587 | Thyrotropin-releasing hormone & Secretagogue |
| -1.1743782 | Prostanoid |
| -1.2358449 | Cannabis |
| -1.243037 | Melatonin |
| -1.3385125 | Platelet activating factor |
| -1.3715751 | Lysosphingolipid & LPA (EDG) |
| -1.3871508 | (Rhod)opsin |