| -0.59896034 | Peptide |
| -0.931634 | Class A Orphan/other |
| -0.72336 | yet even more Class A Orphans |
| -0.8819355 | GPR |
| -1.0007217 | Mas proto-oncogene |
| -1.1352744 | SREB |
| -1.2108357 | Chemokine receptor-like 2 |
| -1.2452111 | GPR37 like (peptide receptor) |
| -1.2557383 | ORPH |
| -1.2645015 | GP40 like |
| -1.3188357 | Adrenomedullin (G10D) |
| -1.3195505 | RDC1 |
| -1.4034421 | BONZO |
| -0.9621072 | Gonadotropin-releasing hormone |
| -1.0759223 | Hormone protein |
| -1.09518 | Nucleotide-like |
| -1.1167101 | Viral |
| -1.1385074 | Thyrotropin-releasing hormone & Secretagogue |
| -1.2019985 | Prostanoid |
| -1.2365253 | Melatonin |
| -1.264137 | Cannabis |
| -1.3403232 | Platelet activating factor |
| -1.3662211 | Olfactory |
| -1.3782933 | Lysosphingolipid & LPA (EDG) |
| -1.4076897 | (Rhod)opsin |
| -1.5686252 | Amine |