| -0.3460916 | Class A Orphan/other |
| -0.5630579 | yet even more Class A Orphans |
| -0.9132973 | Mas proto-oncogene |
| -1.1169815 | Chemokine receptor-like 2 |
| -1.135931 | GP40 like |
| -1.1529626 | SREB |
| -1.1765649 | RDC1 |
| -1.2205215 | GPR37 like (peptide receptor) |
| -1.2224976 | ORPH |
| -1.2605358 | Adrenomedullin (G10D) |
| -1.3322854 | BONZO |
| -1.3599623 | GPR |
| -0.9152367 | Peptide |
| -1.0025693 | Gonadotropin-releasing hormone |
| -1.0192816 | Viral |
| -1.0898585 | Hormone protein |
| -1.1431395 | Thyrotropin-releasing hormone & Secretagogue |
| -1.1631798 | Melatonin |
| -1.1931738 | Amine |
| -1.1973748 | Nucleotide-like |
| -1.2366676 | Cannabis |
| -1.2386025 | Platelet activating factor |
| -1.2438254 | Prostanoid |
| -1.3189013 | (Rhod)opsin |
| -1.3352485 | Lysosphingolipid & LPA (EDG) |
| -1.3487607 | Olfactory |