| -0.95422375 | Gonadotropin-releasing hormone |
| -0.96904474 | Class A Orphan/other |
| -0.9956545 | Mas proto-oncogene |
| -1.001114 | yet even more Class A Orphans |
| -1.1857693 | SREB |
| -1.2046452 | Chemokine receptor-like 2 |
| -1.2414551 | GPR37 like (peptide receptor) |
| -1.2611034 | GPR |
| -1.2688729 | ORPH |
| -1.2795291 | GP40 like |
| -1.3220326 | Adrenomedullin (G10D) |
| -1.3220983 | RDC1 |
| -1.4033134 | BONZO |
| -1.0716602 | Hormone protein |
| -1.0748037 | Viral |
| -1.0958574 | Nucleotide-like |
| -1.111842 | Olfactory |
| -1.1742095 | Thyrotropin-releasing hormone & Secretagogue |
| -1.2303538 | Prostanoid |
| -1.2473817 | Melatonin |
| -1.2740899 | Cannabis |
| -1.3622342 | Platelet activating factor |
| -1.3852892 | Lysosphingolipid & LPA (EDG) |
| -1.4214823 | Peptide |
| -1.4402764 | (Rhod)opsin |
| -1.6707156 | Amine |