| -0.01960565 | Class A Orphan/other |
| -0.017600534 | yet even more Class A Orphans |
| -0.82279027 | GPR |
| -1.0016754 | Mas proto-oncogene |
| -1.2005718 | SREB |
| -1.2043518 | Chemokine receptor-like 2 |
| -1.2421496 | GPR37 like (peptide receptor) |
| -1.2684574 | ORPH |
| -1.2770256 | GP40 like |
| -1.3225994 | Adrenomedullin (G10D) |
| -1.3268594 | RDC1 |
| -1.40588 | BONZO |
| -0.40985802 | Peptide |
| -0.92992145 | Nucleotide-like |
| -0.95328516 | Gonadotropin-releasing hormone |
| -0.9969855 | Viral |
| -1.0324755 | Olfactory |
| -1.0692989 | Hormone protein |
| -1.1423748 | Thyrotropin-releasing hormone & Secretagogue |
| -1.2198887 | Prostanoid |
| -1.2633882 | Melatonin |
| -1.2743514 | Cannabis |
| -1.3623574 | Platelet activating factor |
| -1.3993613 | Lysosphingolipid & LPA (EDG) |
| -1.4319007 | (Rhod)opsin |
| -1.6682104 | Amine |