| Synonym | N-AC-BETA-ENDORPHIN HUMAN, BETA-ENDORPHIN, N-ACETYL-, AC-BETA-ENDORPHIN, HUMAN, ACETYL-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, ACETYL-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-OH, ACETYL-BETA-ENDORPHIN (HUMAN), AC-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-OH, AC-YGGFMTSEKSQTPLVTLFKNAIIKNAYKKGE, ACETYL-BETA-ENDORPHIN (HUMAN) |