| -0.74768126 | Class A Orphan/other |
| -0.43653277 | yet even more Class A Orphans |
| -0.9713622 | Mas proto-oncogene |
| -1.0230209 | GPR |
| -1.197512 | SREB |
| -1.2054306 | Chemokine receptor-like 2 |
| -1.2417345 | GPR37 like (peptide receptor) |
| -1.2625922 | GP40 like |
| -1.26638 | ORPH |
| -1.3043406 | Adrenomedullin (G10D) |
| -1.3182055 | RDC1 |
| -1.4104347 | BONZO |
| -0.96785784 | Gonadotropin-releasing hormone |
| -1.0191368 | Peptide |
| -1.06985 | Hormone protein |
| -1.0708143 | Nucleotide-like |
| -1.1416097 | Viral |
| -1.1679792 | Thyrotropin-releasing hormone & Secretagogue |
| -1.2316468 | Prostanoid |
| -1.2521203 | Melatonin |
| -1.2642432 | Cannabis |
| -1.3482578 | Platelet activating factor |
| -1.388485 | Lysosphingolipid & LPA (EDG) |
| -1.4051931 | Olfactory |
| -1.4150698 | (Rhod)opsin |
| -1.5459493 | Amine |