| -0.06274804 | Class A Orphan/other |
| -0.5770657 | yet even more Class A Orphans |
| -1.0031618 | Mas proto-oncogene |
| -1.074002 | GPR |
| -1.2040098 | SREB |
| -1.2184399 | Chemokine receptor-like 2 |
| -1.2402706 | GPR37 like (peptide receptor) |
| -1.2665081 | ORPH |
| -1.2843939 | GP40 like |
| -1.311916 | Adrenomedullin (G10D) |
| -1.324918 | RDC1 |
| -1.4110491 | BONZO |
| -0.70699733 | Peptide |
| -0.95775133 | Gonadotropin-releasing hormone |
| -1.0290537 | Nucleotide-like |
| -1.0732045 | Hormone protein |
| -1.1199607 | Thyrotropin-releasing hormone & Secretagogue |
| -1.1921604 | Viral |
| -1.2286471 | Prostanoid |
| -1.2474415 | Melatonin |
| -1.2558476 | Cannabis |
| -1.3510336 | Platelet activating factor |
| -1.361901 | Olfactory |
| -1.363389 | (Rhod)opsin |
| -1.3925736 | Lysosphingolipid & LPA (EDG) |
| -1.7786906 | Amine |