| -0.39576802 | Class A Orphan/other |
| -0.30858567 | yet even more Class A Orphans |
| -1.0025401 | Mas proto-oncogene |
| -1.1744285 | SREB |
| -1.1981455 | GPR37 like (peptide receptor) |
| -1.2080938 | Chemokine receptor-like 2 |
| -1.2154714 | GP40 like |
| -1.2683393 | ORPH |
| -1.2835838 | RDC1 |
| -1.2873747 | Adrenomedullin (G10D) |
| -1.3186613 | GPR |
| -1.3852891 | BONZO |
| -1.0144982 | Gonadotropin-releasing hormone |
| -1.0800378 | Hormone protein |
| -1.1491314 | Thyrotropin-releasing hormone & Secretagogue |
| -1.1715426 | Nucleotide-like |
| -1.179403 | Prostanoid |
| -1.1998318 | Viral |
| -1.2358235 | Melatonin |
| -1.2775486 | Cannabis |
| -1.3439956 | Platelet activating factor |
| -1.3532556 | Olfactory |
| -1.370449 | Amine |
| -1.3802303 | Lysosphingolipid & LPA (EDG) |
| -1.3960704 | (Rhod)opsin |
| -1.454973 | Peptide |