SNX-482
Based on 1 publication(s) in Google Scholar
SNX-482, a peptide, is a potent, high affinity, selective and voltage-dependent R-type CaV2.3 channel blocker with an IC50 of 30 nM. SNX-482 has antinociceptive effect.
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- Pureté : 98%
- CAS No.: 203460-30-4
- Formule: C192H274N52O60S7
- Masse moléculaire:4495.00
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Stockage:
Sealed storage, away from moisture.
Powder -80°C, 2 years , -20°C, 1 year* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
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Activité biologique
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Chemical Information
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Solvant et solubilité
- Pureté et documentation
- Références
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Help & FAQs
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Publications Citing Use of MedChemExpress (MCE) SNX-482
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Activité biologique
Description
IC50 & Target
IC50: 30 nM (CaV2.3 channel)[2]
In Vitro
SNX-482 blocks the class E Ca2+ channel with an IC50 of 15-30 nM, using either patch clamp electrophysiology or K+-evoked Ca2+ flux[1].
At low nanomolar concentrations, SNX-482 also blocks a native resistant or R-type Ca2+ current in rat neurohypophyseal nerve terminals, but concentrations of 200-500 nM have no effect on R-type Ca2+ currents in several types of rat central neurons[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only. .
In Vivo
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:Male Sprague-Dawley rats (initially weighing 130-150 g) + Spinal nerve ligation[3]
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Dosage:0.5 μg/50 μL, 1.5 μg/50 μL, 4 μg/50 μL
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Administration:Applied directly onto the spinal cord, 14-17 days post-operation
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Result:Exerted a significant dose-related inhibitory effect on C-fiber evoked responses, Aδ-fiber responses, post-discharge and input measurements.
Inhibited the "wind-up" of neurons.
Chemical Information
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CAS No. 203460-30-4
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Appearance Solid
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Masse moléculaire 4495.00
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Formule C192H274N52O60S7
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Color White to off-white
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Sequence
Gly-Val-Asp-Lys-Ala-Gly-Cys-Arg-Tyr-Met-Phe-Gly-Gly-Cys-Ser-Val-Asn-Asp-Asp-Cys-Cys-Pro-Arg-Leu-Gly-Cys-His-Ser-Leu-Phe-Ser-Tyr-Cys-Ala-Trp-Asp-Leu-Thr-Phe-Ser-Asp (Disulfide bridge:Cys7-Cys21;Cys14-Cys26;Cys20-Cys33)
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Sequence Shortening
GVDKAGCRYMFGGCSVNDDCCPRLGCHSLFSYCAWDLTFSD (Disulfide bridge:Cys7-Cys21;Cys14-Cys26;Cys20-Cys33)
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Livraison
Room temperature in continental US; may vary elsewhere.
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Stockage
Sealed storage, away from moisture
Powder -80°C 2 years -20°C 1 year * In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
Publications (1)
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Journal Impact Factor
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Most Recent
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Mol Pain
Characterization of excitatory synaptic transmission in the retrosplenial cortex of adult mice. [Abstract]2025 Jan-Dec:21:17448069251335500. PMID: 40317242
Solvant et solubilité
In Vitro:
H2O : 0.5 mg/mL (0.11 mM; Need ultrasonic and warming)
Pureté et documentation
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Fiche technique (300 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Korean - KR (252 KB)
- Portuguese - PT (252 KB)
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Instruction de manipulation (2659 KB)
Références
[1]. R Newcomb, et al. Selective peptide antagonist of the class E calcium channel from the venom of the tarantula Hysterocrates gigas. Biochemistry. 1998 Nov 3;37(44):15353-62. [Content Brief]
[2]. E Bourinet, et al. Interaction of SNX482 with domains III and IV inhibits activation gating of alpha(1E) (Ca(V)2.3) calcium channels. Biophys J. 2001 Jul;81(1):79-88. [Content Brief]
[3]. Elizabeth A Matthews, et al. The Cav2.3 calcium channel antagonist SNX-482 reduces dorsal horn neuronal responses in a rat model of chronic neuropathic pain. Eur J Neurosci. 2007 Jun;25(12):3561-9. [Content Brief]
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
SNX-482 Related Classifications
HY-P1074 Related Classifications
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