| -0.07244291 | Class A Orphan/other |
| -0.10174506 | yet even more Class A Orphans |
| -1.0048264 | Mas proto-oncogene |
| -1.085766 | GPR |
| -1.2005243 | SREB |
| -1.2138932 | Chemokine receptor-like 2 |
| -1.2424177 | GPR37 like (peptide receptor) |
| -1.263613 | ORPH |
| -1.2885295 | GP40 like |
| -1.3143504 | RDC1 |
| -1.3220545 | Adrenomedullin (G10D) |
| -1.4086852 | BONZO |
| -0.8679822 | Peptide |
| -0.94359505 | Gonadotropin-releasing hormone |
| -0.9842603 | Nucleotide-like |
| -1.0443621 | Viral |
| -1.0720669 | Hormone protein |
| -1.1528306 | Olfactory |
| -1.1558857 | Thyrotropin-releasing hormone & Secretagogue |
| -1.1833833 | Prostanoid |
| -1.2173288 | Melatonin |
| -1.2523961 | Cannabis |
| -1.2641783 | Amine |
| -1.3463901 | Platelet activating factor |
| -1.3948305 | (Rhod)opsin |
| -1.4003918 | Lysosphingolipid & LPA (EDG) |