| -0.5726241 | Class A Orphan/other |
| -0.68273634 | yet even more Class A Orphans |
| -0.9882796 | Mas proto-oncogene |
| -1.0466173 | SREB |
| -1.1433486 | GPR37 like (peptide receptor) |
| -1.1797153 | Chemokine receptor-like 2 |
| -1.1977582 | GPR |
| -1.2028266 | ORPH |
| -1.2248328 | GP40 like |
| -1.2672347 | Adrenomedullin (G10D) |
| -1.2731829 | RDC1 |
| -1.3460772 | BONZO |
| -0.6603135 | Peptide |
| -1.0070937 | Gonadotropin-releasing hormone |
| -1.0387557 | Amine |
| -1.0859793 | Thyrotropin-releasing hormone & Secretagogue |
| -1.0884461 | Prostanoid |
| -1.0976099 | Melatonin |
| -1.1119748 | Hormone protein |
| -1.1226766 | (Rhod)opsin |
| -1.1926014 | Cannabis |
| -1.2251111 | Viral |
| -1.2560308 | Lysosphingolipid & LPA (EDG) |
| -1.2696831 | Olfactory |
| -1.2958314 | Platelet activating factor |
| -1.3262119 | Nucleotide-like |