| 1.071354 | Peptide |
| 0.7680579 | Opioid |
| 0.76654315 | Opioid type K |
| -1.0740604 | Opioid type M |
| -1.1810172 | Opioid type X |
| -1.4017975 | Opioid type D |
| -0.97472435 | Neurotensin |
| -1.0111253 | Galanin |
| -1.0301459 | Chemokine/chemotactic factors like |
| -1.0563587 | Proteinase activated |
| -1.0638933 | Urotensin II |
| -1.0715425 | Tachykinin |
| -1.1012151 | Endothelin |
| -1.1055073 | Somatostatin |
| -1.11352 | CCK |
| -1.1164327 | Fmet-leu-phe |
| -1.129982 | Melanocortin |
| -1.1411047 | Angiotensin |
| -1.168859 | Neuropeptide Y |
| -1.1715508 | APJ like |
| -1.1836932 | Chemokine |
| -1.1904848 | Orexin |
| -1.1947465 | Bombesin |
| -1.241331 | Bradykinin |
| -1.255632 | Vasopressin-like |
| -1.2695017 | Thrombin |
| -1.3229792 | C5a anaphylatoxin |
| -1.338275 | Interleukin-8 |
| -0.96254265 | Class A Orphan/other |
| -1.0149062 | Gonadotropin-releasing hormone |
| -1.0182095 | Thyrotropin-releasing hormone & Secretagogue |
| -1.0556597 | Melatonin |
| -1.1001353 | Prostanoid |
| -1.1161184 | Hormone protein |
| -1.1691842 | Cannabis |
| -1.2074583 | Viral |
| -1.2104392 | Platelet activating factor |
| -1.2173034 | (Rhod)opsin |
| -1.240649 | Nucleotide-like |
| -1.2786587 | Lysosphingolipid & LPA (EDG) |
| -1.3328981 | Amine |
| -1.4078478 | Olfactory |