No. | DFBP ID | AA sequence | Peptide/Function name | Organism/Source | Precursor protein | PubDate |
1 | DFBPOPIO0015 | YPYY | Opioid peptide, Casoxin B | Bovine milk protien | κ-Casein | 1986 |
2 | DFBPOPIO0128 | YPYY | Opioid peptide, Casoxin B | Human milk protein | κ-Casein | 1989 |