| -0.051532395 | Class A Orphan/other |
| -0.46718025 | yet even more Class A Orphans |
| -0.6932975 | GPR |
| -0.99361986 | Mas proto-oncogene |
| -1.1976211 | Chemokine receptor-like 2 |
| -1.1996357 | SREB |
| -1.2164357 | GPR37 like (peptide receptor) |
| -1.2446942 | ORPH |
| -1.2734725 | GP40 like |
| -1.2983438 | Adrenomedullin (G10D) |
| -1.307441 | RDC1 |
| -1.3913587 | BONZO |
| -0.25009343 | Peptide |
| -0.8580235 | Viral |
| -0.9744381 | Gonadotropin-releasing hormone |
| -1.0803136 | Hormone protein |
| -1.117199 | Nucleotide-like |
| -1.1236386 | Thyrotropin-releasing hormone & Secretagogue |
| -1.1699355 | Prostanoid |
| -1.235372 | Melatonin |
| -1.2416646 | Cannabis |
| -1.2545744 | Olfactory |
| -1.3090229 | Platelet activating factor |
| -1.3285956 | (Rhod)opsin |
| -1.3824294 | Lysosphingolipid & LPA (EDG) |
| -1.6758708 | Amine |