| -0.8555712 | Class A Orphan/other |
| -0.5922681 | yet even more Class A Orphans |
| -0.97387516 | Mas proto-oncogene |
| -1.1500953 | GPR |
| -1.1872165 | SREB |
| -1.2003589 | Chemokine receptor-like 2 |
| -1.23384 | GPR37 like (peptide receptor) |
| -1.2598851 | ORPH |
| -1.2692721 | GP40 like |
| -1.3062179 | RDC1 |
| -1.3240918 | Adrenomedullin (G10D) |
| -1.3974261 | BONZO |
| -0.9537219 | Gonadotropin-releasing hormone |
| -1.0259054 | Viral |
| -1.0706736 | Hormone protein |
| -1.0780369 | Nucleotide-like |
| -1.0898467 | Amine |
| -1.1702121 | Thyrotropin-releasing hormone & Secretagogue |
| -1.1915972 | Prostanoid |
| -1.2368302 | Melatonin |
| -1.2414696 | Cannabis |
| -1.320249 | Peptide |
| -1.3356736 | Olfactory |
| -1.3507398 | Platelet activating factor |
| -1.3842492 | Lysosphingolipid & LPA (EDG) |
| -1.3869417 | (Rhod)opsin |