| 0.89306694 | Peptide |
| 1.3097574 | Bradykinin |
| -0.91555667 | Angiotensin |
| -0.94901717 | Galanin |
| -1.0303348 | Chemokine |
| -1.0612931 | Neuropeptide Y |
| -1.0694815 | Chemokine/chemotactic factors like |
| -1.0703228 | Proteinase activated |
| -1.0735855 | Neurotensin |
| -1.0755869 | Urotensin II |
| -1.111831 | Fmet-leu-phe |
| -1.134239 | APJ like |
| -1.1462734 | Tachykinin |
| -1.1495655 | Melanocortin |
| -1.1559019 | CCK |
| -1.1688739 | Endothelin |
| -1.198169 | Bombesin |
| -1.2164109 | Interleukin-8 |
| -1.2328184 | Orexin |
| -1.2400011 | Somatostatin |
| -1.2779541 | Thrombin |
| -1.2977464 | Opioid |
| -1.3395077 | Vasopressin-like |
| -1.4142239 | C5a anaphylatoxin |
| -0.9430604 | Class A Orphan/other |
| -1.0106795 | Gonadotropin-releasing hormone |
| -1.0167286 | Viral |
| -1.0177256 | Nucleotide-like |
| -1.0542068 | Melatonin |
| -1.0960964 | Platelet activating factor |
| -1.1153896 | Thyrotropin-releasing hormone & Secretagogue |
| -1.1162206 | Hormone protein |
| -1.1198559 | Prostanoid |
| -1.201653 | Cannabis |
| -1.2287427 | Amine |
| -1.238154 | Olfactory |
| -1.2878442 | Lysosphingolipid & LPA (EDG) |
| -1.3419148 | (Rhod)opsin |