| -0.6523679 | Peptide |
| -0.80049276 | Class A Orphan/other |
| -0.9040367 | yet even more Class A Orphans |
| -0.9991069 | Mas proto-oncogene |
| -1.1861236 | Chemokine receptor-like 2 |
| -1.1963569 | SREB |
| -1.2259119 | GPR37 like (peptide receptor) |
| -1.2489907 | GPR |
| -1.2575787 | GP40 like |
| -1.2645571 | ORPH |
| -1.2875087 | Adrenomedullin (G10D) |
| -1.3099887 | RDC1 |
| -1.4032404 | BONZO |
| -0.85242367 | Viral |
| -0.9838266 | Gonadotropin-releasing hormone |
| -1.0748175 | Hormone protein |
| -1.0967095 | Prostanoid |
| -1.1677531 | Nucleotide-like |
| -1.1684515 | Thyrotropin-releasing hormone & Secretagogue |
| -1.225071 | Melatonin |
| -1.2656027 | Cannabis |
| -1.3103185 | (Rhod)opsin |
| -1.3377062 | Platelet activating factor |
| -1.3592029 | Lysosphingolipid & LPA (EDG) |
| -1.4101914 | Amine |
| -1.4146172 | Olfactory |