| -0.80186427 | Class A Orphan/other |
| -0.9510769 | yet even more Class A Orphans |
| -1.0009686 | Mas proto-oncogene |
| -1.1295825 | SREB |
| -1.1578673 | Chemokine receptor-like 2 |
| -1.160872 | GPR37 like (peptide receptor) |
| -1.1828357 | GP40 like |
| -1.2358749 | RDC1 |
| -1.2447301 | ORPH |
| -1.2815222 | Adrenomedullin (G10D) |
| -1.3435016 | BONZO |
| -1.8133129 | GPR |
| -1.0158278 | Gonadotropin-releasing hormone |
| -1.0987139 | Hormone protein |
| -1.1180788 | Melatonin |
| -1.166389 | Thyrotropin-releasing hormone & Secretagogue |
| -1.1740494 | Prostanoid |
| -1.2299516 | Viral |
| -1.23289 | Cannabis |
| -1.2564957 | (Rhod)opsin |
| -1.2903671 | Platelet activating factor |
| -1.3033513 | Olfactory |
| -1.3307464 | Lysosphingolipid & LPA (EDG) |
| -1.3334932 | Nucleotide-like |
| -1.524516 | Peptide |
| -1.9291373 | Amine |