| -0.9509726 | Gonadotropin-releasing hormone |
| -1.0234365 | Viral |
| -1.0781064 | Hormone protein |
| -1.1452761 | Olfactory |
| -1.1493056 | Nucleotide-like |
| -1.1635966 | Thyrotropin-releasing hormone & Secretagogue |
| -1.203584 | Prostanoid |
| -1.2188523 | Class A Orphan/other |
| -0.5419061 | yet even more Class A Orphans |
| -0.9915694 | Mas proto-oncogene |
| -1.2009645 | SREB |
| -1.2059476 | Chemokine receptor-like 2 |
| -1.238754 | GPR37 like (peptide receptor) |
| -1.257314 | GP40 like |
| -1.269146 | ORPH |
| -1.2816298 | GPR |
| -1.3124125 | RDC1 |
| -1.3140604 | Adrenomedullin (G10D) |
| -1.4000319 | BONZO |
| -1.2530997 | Cannabis |
| -1.2556839 | Melatonin |
| -1.34385 | Amine |
| -1.3448946 | Platelet activating factor |
| -1.3749877 | Peptide |
| -1.3882985 | Lysosphingolipid & LPA (EDG) |
| -1.5440526 | (Rhod)opsin |