| -0.55842257 | Class A Orphan/other |
| -0.96496665 | yet even more Class A Orphans |
| -0.9989941 | Mas proto-oncogene |
| -1.0989845 | SREB |
| -1.1765151 | GPR |
| -1.1890106 | GPR37 like (peptide receptor) |
| -1.2134064 | Chemokine receptor-like 2 |
| -1.2521282 | ORPH |
| -1.2557169 | GP40 like |
| -1.2786971 | RDC1 |
| -1.2979895 | Adrenomedullin (G10D) |
| -1.391973 | BONZO |
| -0.6054619 | Amine |
| -0.74130183 | Peptide |
| -1.0043706 | Gonadotropin-releasing hormone |
| -1.0425525 | (Rhod)opsin |
| -1.0957756 | Hormone protein |
| -1.1134149 | Thyrotropin-releasing hormone & Secretagogue |
| -1.1398675 | Viral |
| -1.1730896 | Prostanoid |
| -1.1781857 | Melatonin |
| -1.2196939 | Cannabis |
| -1.2815394 | Nucleotide-like |
| -1.2999804 | Platelet activating factor |
| -1.3314589 | Lysosphingolipid & LPA (EDG) |
| -1.3351916 | Olfactory |