| No. | DFBP ID | AA sequence | Peptide/Function name | Organism/Source | Precursor protein | PubDate |
| 1 | DFBPNEUR0088 | RNFLRF | Neuropeptide |
Blue crab, Callinectes sapidus |
Pericardial organs and thoracic ganglia extract protein | 1991 |
| No other studies with the same sequence were reported. | ||||||