| -0.8904272 | Viral |
| -0.9587185 | Gonadotropin-releasing hormone |
| -1.0263622 | Nucleotide-like |
| -1.0708314 | Hormone protein |
| -1.1665151 | Thyrotropin-releasing hormone & Secretagogue |
| -1.24341 | Prostanoid |
| -1.2548507 | Melatonin |
| -1.2802107 | Cannabis |
| -1.3222523 | Olfactory |
| -1.3614925 | Platelet activating factor |
| -1.3890166 | Lysosphingolipid & LPA (EDG) |
| -1.3986082 | Amine |
| -1.4905281 | (Rhod)opsin |
| -1.4918314 | Class A Orphan/other |
| -1.0097296 | Mas proto-oncogene |
| -1.1766112 | yet even more Class A Orphans |
| -1.1961304 | GPR |
| -1.1964201 | SREB |
| -1.2158626 | Chemokine receptor-like 2 |
| -1.2462623 | GPR37 like (peptide receptor) |
| -1.2709403 | ORPH |
| -1.2949913 | GP40 like |
| -1.3221762 | Adrenomedullin (G10D) |
| -1.3243452 | RDC1 |
| -1.4104718 | BONZO |
| -1.5567981 | Peptide |