b-endorphine: TYR-GLY-GLY-PHE-MET- THR-SER-GLU-LYS-SER-GLN-THR-PRO-LEU-VAL-THR-LEU-PHE-LYS-ASN-ALA-ILE-ILE-LYS-ASN-ALA-TYR-LYS-LYS-GLY-GLU
Hypophyse, hypothalamus
a-néoendorphine: TYR-GLY-GLY-PHE-LEU-ARG-LYS-TYR-PRO-LYS
b-néoendorphine: TYR-GLY-GLY-PHE-LEU-ARG-LYS-TYR-PRO
Dynorphine A: TYR-GLY-GLY-PHE-LEU-ARG-ARG-ILE-ARG-PRO-LYS-LEU-LYS-TRP-ASP-ASN-GLN
Dynorphine B: TYR-GLY-GLY-PHE-LEU-ARG-ARG-GLN-PHE-LYS-VAL-VAL-THR
NEUROPEPIDES OPIOIDES - ENDORPHINES