| -0.015986312 | Class A Orphan/other |
| -0.15811507 | yet even more Class A Orphans |
| -0.9575728 | GPR |
| -1.0037977 | Mas proto-oncogene |
| -1.1685339 | SREB |
| -1.2072923 | Chemokine receptor-like 2 |
| -1.2415671 | GPR37 like (peptide receptor) |
| -1.2662139 | ORPH |
| -1.2799828 | GP40 like |
| -1.3206824 | RDC1 |
| -1.3230238 | Adrenomedullin (G10D) |
| -1.408334 | BONZO |
| -0.44099963 | Peptide |
| -0.94637257 | Gonadotropin-releasing hormone |
| -0.99788475 | Nucleotide-like |
| -1.0730803 | Hormone protein |
| -1.0860314 | Viral |
| -1.1341692 | Thyrotropin-releasing hormone & Secretagogue |
| -1.223815 | Prostanoid |
| -1.2238209 | Melatonin |
| -1.2535383 | Cannabis |
| -1.341187 | Platelet activating factor |
| -1.3648244 | Lysosphingolipid & LPA (EDG) |
| -1.3969905 | Olfactory |
| -1.440279 | (Rhod)opsin |
| -1.8295894 | Amine |