| No. | DFBP ID | AA sequence | Peptide/Function name | Organism/Source | Precursor protein | PubDate |
| 1 | DFBPNEUR0107 | DHGNMLYF | Neuropeptide, LP4 |
Horseshoe crab Limulus polyphemus | Brains (including both the protocerebrum and the circumesophageal ring) | 1993 |
| No other studies with the same sequence were reported. | ||||||