| -0.9551141 | Gonadotropin-releasing hormone |
| -1.0275629 | Nucleotide-like |
| -1.0687417 | Hormone protein |
| -1.1496991 | Thyrotropin-releasing hormone & Secretagogue |
| -1.2024484 | Viral |
| -1.2593882 | Prostanoid |
| -1.2629032 | Melatonin |
| -1.2817512 | Cannabis |
| -1.2897425 | Olfactory |
| -1.3612767 | Platelet activating factor |
| -1.3943318 | Lysosphingolipid & LPA (EDG) |
| -1.4592638 | (Rhod)opsin |
| -1.5202023 | Class A Orphan/other |
| -1.0001917 | Mas proto-oncogene |
| -1.2020843 | SREB |
| -1.2119033 | Chemokine receptor-like 2 |
| -1.2432513 | GPR37 like (peptide receptor) |
| -1.2713076 | ORPH |
| -1.2923169 | GP40 like |
| -1.3216736 | Adrenomedullin (G10D) |
| -1.3225205 | RDC1 |
| -1.3226864 | GPR |
| -1.4088345 | BONZO |
| -1.702354 | yet even more Class A Orphans |
| -1.7425656 | Amine |
| -1.8378782 | Peptide |