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Biological Data

Biological description Potent, selective μ-opioid receptor agonist (Ki values are 360 pM and >1000 nM at μ, δ and κ receptors respectively). Endogenous peptide. Shows >4000 and 15,000-fold selectivity for μ over δ and κ receptors. Shows antinociceptive activity.

Solubility & Handling

Storage instructions -20°C (desiccate)
Solubility overview Soluble in water
Important This product is for RESEARCH USE ONLY and is not intended for therapeutic or diagnostic use. Not for human or veterinary use.

Calculators

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Dilution

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Chemical Data

Chemical name Tyr-Pro-Trp-Phe-NH2
Molecular Weight 610.67
Molecular Formula C34H38N6O5
CAS Number 189388-22-5
PubChem identifier 5311080
SMILES C1CC(N(C1)C(=O)C(CC2=CC=C(C=C2)O)N)C(=O)NC(CC3=CNC4=CC=CC=C43)C(=O)NC(CC5=CC=CC=C5)C(=O)N
InChiKey ZEXLJFNSKAHNFH-SYKYGTKKSA-N

References for Endomorphin-1

References are publications that support the biological activity of the product
  • Opposite effects of neuropeptide FF on central antinociception induced by endomorphin-1 and endomorphin-2 in mice.

    Wang et al (2014) PLoS 9 : e103773
  • Endomorphin-1 and endomorphin-2: pharmacology of the selective endogenous mu-opioid receptor agonists.

    Horvath (2000) Pharmacol Ther 88 : 437-63
  • A potent and selective endogenous agonist for the mu-opiate receptor.

    Zadina et al (1997) Nature 386 : 499-502

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