RecoveryPreclinical

Dermorphin

Tyr-D-Ala-Phe-Gly-Tyr-Pro-Ser-NH2

AI explanation

Dermorphin

Dermorphin is a powerful pain-relieving compound that scientists originally discovered in the skin of South American poison frogs. It's basically nature's painkiller—and an incredibly potent one at that. People study it because it's roughly 30 to 40 times stronger than morphine, yet it doesn't shut down your breathing the way morphine does, making it a valuable model for developing safer painkillers.

Here's how it actually works in your body. When you experience pain, your brain and spinal cord have special docking stations called mu-opioid receptors waiting for chemical signals. Dermorphin acts like a perfect key that fits into these locks extraordinarily well. What makes it so effective is its unusual structure—it contains a rare left-handed amino acid that most natural peptides don't have, which gives it the exact three-dimensional shape needed to bind incredibly tightly to those receptors.

Once it locks in, it flips a switch on your pain-signaling pathways, turning down the volume on discomfort throughout your nervous system. The clever part is that this switch-flipping happens in a selective way—it activates pain relief without triggering the same respiratory shutdown that makes morphine so dangerous. Plus, that odd amino acid makes your body break it down more slowly, so it works longer. That's why researchers keep studying it: it's teaching us how to build painkillers that actually work better with fewer dangerous side effects.

Dosage Information

Typical Dose

Research compound — no established human therapeutic dosing

Frequency

N/A

Anytime

Administration

Research compound

Half-Life

~15 minutes

estimated

Notes

Not available as a therapeutic. Dermorphin is a research compound that has informed opioid drug development. This entry documents its scientific significance as a naturally occurring opioid peptide model.

Why this matters

Potent opioid peptide; extremely short half-life in vivo.

Where does Dermorphin sit?

See how this peptide compares across all 150 peptides in our database.

Evidence Score

0.21

Clinical trials
0.0035%
Literature
0.3230%
Community
0.0020%
Completeness
0.7515%
2 reviews

Compound Data

Dermorphin structure

Molecular Formula

C40H50N8O10

Molecular Weight

802.90 g/mol

IUPAC Name

(2S)-N-[(2S)-1-amino-3-hydroxy-1-oxopropan-2-yl]-1-[(2S)-2-[[2-[[(2S)-2-[[(2R)-2-[[(2S)-2-amino-3-(4-hydroxyphenyl)propanoyl]amino]propanoyl]amino]-3-phenylpropanoyl]amino]acetyl]amino]-3-(4-hydroxyphenyl)propanoyl]pyrrolidine-2-carboxamide

PubChem CID

5485199

Potential Side Effects

Research compound — not used therapeuticallyOpioid class effects expected: nausea constipation sedationAddiction potential as an opioid receptor agonist
Pep Talk

Dermorphin discussions

Quick Facts

Administration
Research compound
Typical Dose
Research compound — no established human therapeutic dosing
Frequency
N/A
References
0 curated + 17 from PubMed
Evidence Score
0.2 / 100

Frequently Asked Questions about Dermorphin

What is Dermorphin?

Dermorphin is a naturally occurring heptapeptide opioid originally isolated from the skin of South American frogs of the Phyllomedusa genus. It is the most potent naturally occurring opioid peptide known — approximately 30-40 times more potent than morphine at mu-opioid receptors while producing significantly less respiratory depression. Dermorphin has been studied extensively as a model compound for developing safer opioid analgesics and has contributed fundamental insights into opioid receptor pharmacology. It contains a D-amino acid (D-Ala) — rare in natural peptides — which confers resistance to enzymatic degradation.

How does Dermorphin work?

Dermorphin is a highly selective mu-opioid receptor (MOR) agonist that activates the G-protein-coupled receptor signaling cascade producing potent analgesia through both spinal and supraspinal mechanisms. Its extraordinary potency relative to morphine results from optimal receptor binding geometry — the D-Ala residue at position 2 places the pharmacophore groups in precisely the correct spatial arrangement for high-affinity MOR binding. Unlike morphine dermorphin produces less respiratory depression relative to its analgesic effect because it activates different MOR-coupled signaling pathways — a phenomenon called biased agonism that has become a major target in opioid drug development. The resistance to enzymatic degradation from the D-amino acid significantly extends its duration of action compared to L-amino acid opioid peptides.

What is the recommended dosage for Dermorphin?

The typical dose is Research compound — no established human therapeutic dosing. N/A. Administration: Research compound. Not available as a therapeutic. Dermorphin is a research compound that has informed opioid drug development. This entry documents its scientific significance as a naturally occurring opioid peptide model.

What are the side effects of Dermorphin?

Research compound — not used therapeutically. Opioid class effects expected: nausea constipation sedation. Addiction potential as an opioid receptor agonist

Questions reflect common community inquiries. This is not medical advice.