Dynorphin A
Also known as: Dyn A, dynorphin 1-17
Endogenous kappa-opioid receptor peptide studied in pain, addiction, mood disorders, and neurological function.
Quick Reference
Dynorphin A - Research Images
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Overview
Chemical compound
Dynorphin A is a dynorphin, an endogenous opioid peptide that activates the κ-opioid receptor. Its amino acid sequence is Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile-Arg-Pro-Lys-Leu-Lys (YGGFLRRIRPKLK), a tridecapeptide.
Mechanism of Action
Dynorphin A is a dynorphin, an endogenous opioid peptide that activates the κ-opioid receptor. Its amino acid sequence is Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile-Arg-Pro-Lys-Leu-Lys (YGGFLRRIRPKLK), a tridecapeptide.
What Researchers Are Saying
Community Reports - Not Medical Advice
The following is aggregated from public forums, Reddit, and research communities. These are anecdotal reports from researchers only - not verified clinical data and not a recommendation of any kind.
Dynorphin A (also known as Dyn A, dynorphin 1-17) is studied within the cognitive function and neuroprotection research community. Endogenous kappa-opioid receptor peptide studied in pain, addiction, mood disorders, and neurological function.
Last updated October 28, 2026
Research status: active. Dynorphin A appears across cognitive function and neuroprotection research forums and academic literature. Researchers note this compound falls in the cognitive category.
Last updated October 28, 2026
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