| -0.37862384 | Class A Orphan/other |
| -0.5000596 | yet even more Class A Orphans |
| -0.9948042 | Mas proto-oncogene |
| -1.0197711 | GPR |
| -1.1938792 | Chemokine receptor-like 2 |
| -1.1996207 | SREB |
| -1.2303201 | GPR37 like (peptide receptor) |
| -1.2439182 | ORPH |
| -1.2646565 | GP40 like |
| -1.3136253 | RDC1 |
| -1.3165468 | Adrenomedullin (G10D) |
| -1.4041616 | BONZO |
| -0.6866403 | Peptide |
| -0.89820826 | Amine |
| -0.9584631 | Viral |
| -0.981535 | Gonadotropin-releasing hormone |
| -1.0757836 | Hormone protein |
| -1.1335738 | Prostanoid |
| -1.1423389 | Nucleotide-like |
| -1.1453574 | Thyrotropin-releasing hormone & Secretagogue |
| -1.2146559 | Melatonin |
| -1.2338142 | Olfactory |
| -1.2454569 | Cannabis |
| -1.2668221 | (Rhod)opsin |
| -1.3082542 | Platelet activating factor |
| -1.3605864 | Lysosphingolipid & LPA (EDG) |