| -0.27344564 | Class A Orphan/other |
| -0.6205668 | yet even more Class A Orphans |
| -0.9988989 | Mas proto-oncogene |
| -1.1940944 | SREB |
| -1.2133297 | Chemokine receptor-like 2 |
| -1.2169775 | GPR |
| -1.2382052 | GPR37 like (peptide receptor) |
| -1.2573 | ORPH |
| -1.275329 | GP40 like |
| -1.3222412 | Adrenomedullin (G10D) |
| -1.324151 | RDC1 |
| -1.4022586 | BONZO |
| -0.9703932 | Gonadotropin-releasing hormone |
| -1.0752541 | Hormone protein |
| -1.1043365 | Nucleotide-like |
| -1.1257166 | Viral |
| -1.1542255 | Thyrotropin-releasing hormone & Secretagogue |
| -1.1724583 | Prostanoid |
| -1.1953537 | Olfactory |
| -1.2479678 | Melatonin |
| -1.2663461 | Cannabis |
| -1.3503782 | Platelet activating factor |
| -1.3558517 | (Rhod)opsin |
| -1.3861794 | Lysosphingolipid & LPA (EDG) |
| -1.5715274 | Amine |
| -1.6180714 | Peptide |