| -0.35560423 | Peptide |
| -0.4066629 | Class A Orphan/other |
| -0.11632907 | yet even more Class A Orphans |
| -0.4551374 | GPR |
| -1.0071846 | Mas proto-oncogene |
| -1.1885954 | Chemokine receptor-like 2 |
| -1.2012885 | SREB |
| -1.2377931 | GPR37 like (peptide receptor) |
| -1.2640696 | ORPH |
| -1.2897238 | GP40 like |
| -1.3137466 | Adrenomedullin (G10D) |
| -1.3214576 | RDC1 |
| -1.4053514 | BONZO |
| -0.54957765 | Amine |
| -0.73655987 | Nucleotide-like |
| -0.9599995 | Gonadotropin-releasing hormone |
| -1.0721047 | Hormone protein |
| -1.1411567 | Viral |
| -1.1473818 | Thyrotropin-releasing hormone & Secretagogue |
| -1.2317133 | Prostanoid |
| -1.2488766 | Melatonin |
| -1.2575201 | Cannabis |
| -1.3423266 | (Rhod)opsin |
| -1.3557065 | Platelet activating factor |
| -1.3866677 | Lysosphingolipid & LPA (EDG) |
| -1.3983793 | Olfactory |