Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Endogenous Opioid Peptides
| • Met-enkephalin | YGGFM |
| • Leu-enkephalin | YGGFL |
| • Heptapeptide | YGGFMRF |
| • Octapeptide | YGGFMRGL |
| • Beta-endorphin |
YGGFMTSEKSQTPLVTL FKNAIIKKNAYKKGE |
| • Dynorphin A | YGGFLRRIRPKLKWDNQ |
| • Dynorphin B | YGGFLRROFKVVT |
| • Neoendorphin | YGGFLRKYPK |
