Alternative Names: [D-Pen2,5]Enkephalin, [D-Pen2,D-Pen5]Enkephalin
Biological Activity
Technical Data
Solubility
Calculators
Datasheets
References
Biological Activity
Prototypical selective δ-opioid receptor agonist peptide. Inhibits electrically stimulated contraction of mouse vas deferens in vitro (EC50 = 5.2 nM), and is antinociceptive in vivo.
Technical Data
M. Wt
645.79
Formula
C30H39N5O7S2
Sequence
YXGFX
(Modifications: X = D-Pen, Disulfide bridge between 2 - 5)
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.
Solubility Data
Solubility
Soluble to 1 mg/ml in water
Preparing Stock Solutions
The following data is based on the product molecular weight 645.79. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.
Concentration / Solvent Volume / Mass
1 mg
5 mg
10 mg
1 mM
1.55 mL
7.74 mL
15.48 mL
5 mM
0.31 mL
1.55 mL
3.1 mL
10 mM
0.15 mL
0.77 mL
1.55 mL
50 mM
0.03 mL
0.15 mL
0.31 mL
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Product Datasheets
Certificate of Analysis / Product Datasheet
Safety Datasheet
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References
References are publications that support the products' biological activity.
Chandrakumaret al (1992) Analogs of the δ opioid receptor selective cyclic peptide [2-D-penicillamine,5-D-penicillamine]-enkephalin: 2',6'-dimethyltyrosine and Gly3-Phe4 amide bond isostere substitutions. J.Med.Chem. 35 2928 PMID: 1323677
Clarket al (1986) [D-Pen2,D-Pen5]enkephalin (DPDPE): a δ-selective enkephalin with low affinity for μ1 opiate binding sites. Eur.J.Pharmacol. 128 303 PMID: 3025000
Fraseret al (2000) Supraspinal antinociceptive response to [D-Pen2,5]-enkephalin (DPDPE) is pharmacologically distince from that to other δ-agonists in the rat. J.Pharmacol.Exp.Ther. 295 1135 PMID: 11082450