| -0.80162716 | Peptide |
| -0.9542974 | Gonadotropin-releasing hormone |
| -0.99026805 | Nucleotide-like |
| -1.004767 | Viral |
| -1.0226202 | Amine |
| -1.0771018 | Hormone protein |
| -1.1670763 | Thyrotropin-releasing hormone & Secretagogue |
| -1.2288611 | Prostanoid |
| -1.2457674 | Melatonin |
| -1.2491733 | Olfactory |
| -1.2775946 | Cannabis |
| -1.3517017 | Class A Orphan/other |
| -0.894175 | GPR |
| -1.0051284 | Mas proto-oncogene |
| -1.1978728 | SREB |
| -1.1988322 | Chemokine receptor-like 2 |
| -1.243526 | GPR37 like (peptide receptor) |
| -1.2610493 | ORPH |
| -1.27448 | yet even more Class A Orphans |
| -1.2904297 | GP40 like |
| -1.3019372 | Adrenomedullin (G10D) |
| -1.3190669 | RDC1 |
| -1.3960466 | BONZO |
| -1.3549119 | Platelet activating factor |
| -1.3686801 | Lysosphingolipid & LPA (EDG) |
| -1.4915001 | (Rhod)opsin |