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Endogenous opioid peptides and their high affinity receptors
| PRECURSOR | PEPTIDES | RECEPTOR ACIVITY |
|---|---|---|
| POMC | β-endorphin | delta, mu |
| PENK | leucine-enkephalin | delta, mu |
| methionine -enkephalin | ||
| PDYN | dynorphins A and B, and neoendorphins | delta, kappa, mu |
| PNOC | nociceptin | NOP |
POMC, proopiomelanocortin; PENK, preproenkephalin; PDYN, preprodynorphin; PNOC, prepronociception; NOP, nociception opioid peptide receptor.
