An opioid peptide
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Dermorphin (acetate)

Item No. 31607

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
(S)-1-(L-tyrosyl-D-alanyl-L-phenylalanylglycyl-L-tyrosyl)-N-((S)-1-amino-3-hydroxy-1-oxopropan-2-yl)pyrrolidine-2-carboxamide, acetate
Molecular Formula
C40H50N8O10 • XC2H4O2
Formula Weight
802.9
Purity
≥95%
Formulation (Request formulation change)
A crystalline solid
Solubility(Learn about Variance in Solubility)
DMF: 30 mg/mlDMSO: 30 mg/mlEthanol: 30 mg/mlPBS (pH 7.2): 10 mg/ml
λmax
224 nm
SMILES
OC(C=C1)=CC=C1C[C@H](NC(CNC([C@@H](NC([C@@H](C)NC([C@@H](N)CC2=CC=C(C=C2)O)=O)=O)CC3=CC=CC=C3)=O)=O)C(N4[C@H](C(N[C@@H](CO)C(N)=O)=O)CCC4)=O.CC(O)=O
InChi Code
InChI=1S/C40H50N8O10.C2H4O2/c1-23(44-37(55)29(41)18-25-9-13-27(50)14-10-25)36(54)46-30(19-24-6-3-2-4-7-24)38(56)43-21-34(52)45-31(20-26-11-15-28(51)16-12-26)40(58)48-17-5-8-33(48)39(57)47-32(22-49)35(42)53;1-2(3)4/h2-4,6-7,9-16,23,29-33,49-51H,5,8,17-22,41H2,1H3,(H2,42,53)(H,43,56)(H,44,55)(H,45,52)(H,46,54)(H,47,57);1H3,(H,3,4)/t23-,29+,30+,31+,32+,33+;/m1./s1
InChi Key
UQNSJPMLMSSQJY-YYEHHWDVSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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Certificates of Analysis & Batch Specific Data

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    1 mg

    $36

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    5 mg

    $153

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    10 mg

    $268

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    25 mg

    $587

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    Product Description

    Dermorphin is an opioid peptide originally isolated from the skin of South American frogs (Ph. sauvagei).1 It binds to μ-opioid receptors (Ki = 0.54 nM) and is selective for μ- over δ-opioid receptors in radioligand binding assays (Ki = 929 nM). In vivo, dermorphin (1.9 µmol/kg, i.p.) inhibits noxious stimuli-induced neuronal firing in the nucleus lateralis anterior and ventrobasal complex in rats.2 It inhibits the electrical stimulation-induced C fiber response in rat dorsal horn nociceptive neurons. Dermorphin (10-120 pmol/animal, i.c.v.) delays gastric emptying, inhibits gastric acid secretion, and slows colonic motility in pylorus-ligated rats.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Usenko, A.B., Emel'yanova, T.G., and MIasoedov, N.F. Dermorphins are natural opioids with an unique primary structure that determines their biological specificity. Biol. Bull. Russ. Acad. Sci. 29, 154-164 (2002).

    2. Melchiorri, P., and Negri, L. The dermorphin peptide family. Gen. Pharmacol. 27(7), 1099-1107 (1996).