| -0.20132177 | Class A Orphan/other |
| -0.71481544 | yet even more Class A Orphans |
| -0.9968785 | Mas proto-oncogene |
| -1.1084512 | SREB |
| -1.1629311 | Chemokine receptor-like 2 |
| -1.1854842 | GP40 like |
| -1.1903111 | GPR37 like (peptide receptor) |
| -1.2205194 | ORPH |
| -1.2536962 | RDC1 |
| -1.2742596 | Adrenomedullin (G10D) |
| -1.3696418 | BONZO |
| -1.4363039 | GPR |
| -0.7127738 | Gonadotropin-releasing hormone |
| -1.0424428 | Viral |
| -1.0855362 | Thyrotropin-releasing hormone & Secretagogue |
| -1.1233202 | Hormone protein |
| -1.1779653 | Melatonin |
| -1.1958225 | Prostanoid |
| -1.1958655 | Cannabis |
| -1.2042824 | Peptide |
| -1.3018094 | Nucleotide-like |
| -1.305085 | Lysosphingolipid & LPA (EDG) |
| -1.3120004 | Platelet activating factor |
| -1.3303571 | (Rhod)opsin |
| -1.3580188 | Olfactory |
| -1.3943576 | Amine |