| -0.2803641 | Class A Orphan/other |
| -0.4909826 | yet even more Class A Orphans |
| -0.9981073 | Mas proto-oncogene |
| -1.1429569 | SREB |
| -1.1491152 | Chemokine receptor-like 2 |
| -1.1849048 | GPR37 like (peptide receptor) |
| -1.1941252 | GP40 like |
| -1.217231 | ORPH |
| -1.22815 | GPR |
| -1.2770722 | RDC1 |
| -1.2794707 | Adrenomedullin (G10D) |
| -1.3836133 | BONZO |
| -0.89075404 | Peptide |
| -0.99672425 | Gonadotropin-releasing hormone |
| -1.0150251 | Viral |
| -1.0802476 | Melatonin |
| -1.1080375 | Hormone protein |
| -1.1412882 | Thyrotropin-releasing hormone & Secretagogue |
| -1.1535954 | Prostanoid |
| -1.1638968 | Nucleotide-like |
| -1.2141275 | Cannabis |
| -1.2650938 | Olfactory |
| -1.2751162 | (Rhod)opsin |
| -1.3110551 | Platelet activating factor |
| -1.3642664 | Lysosphingolipid & LPA (EDG) |
| -1.6755773 | Amine |