SNX 482

Cat. No. 2945

SNX 482 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

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Biological Activity

Potent and selective, voltage-dependent R-type CaV2.3 calcium channel blocker (IC50 = 30 nM). Antinociceptive; inhibits nociceptive C-fibre and Aδ-fibre-evoked neuronal responses.

Technical Data


(Modifications: Disulfide bridge between 7 - 21, 14 - 26, 20 - 33)

Soluble in water
Desiccate at -20°C

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.

Certificate of Analysis / Product Datasheet / Safety Datasheet

Certificate of Analysis / Product Datasheet
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References are publications that support the products' biological activity.

Matthews et al (2007) The CaV2.3 calcium channel antagonist SNX-482 reduces dorsal horn neuronal responses in a rat model of chronic neuropathic pain. Eur.J.Neurosci. 25 3561. PMID: 17610575.

Bourinet et al (2001) Interaction of SNX482 with domains III and IV inhibits activation gating of α1E (CaV2.3) calcium channels. Biophys.J. 81 79. PMID: 11423396.

Newcomb et al (1998) Selective peptide antagonist of the class E calcium channel from the venom of the Tarantula Hysterocrates gigas. Biochemistry 37 15353. PMID: 9799496.

If you know of a relevant reference for SNX 482 please let us know.

Citations are publications that use Tocris products. Selected citations for SNX 482 include:

Pan et al (2014) σ-1 receptor antagonism restores injury-induced decrease of voltage-gated Ca2+ current in sensory neurons. Proc Natl Acad Sci U S A 350 290. PMID: 24891452.

Grubb and Burrone (2010) Activity-dependent relocation of the axon initial segment fine-tunes neuronal excitability. J Pharmacol Exp Ther 465 1070. PMID: 20543823.

Higley and Sabatini (2010) Competitive regulation of synaptic Ca2+ influx by D2 dopamine and A2A adenosine receptors. Nat Neurosci 13 958. PMID: 20601948.

Do you know of a great paper that uses SNX 482 from Tocris? If so please let us know.

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Keywords: SNX 482, supplier, Potent, selective, CaV23, blockers, R-type, Calcium, CaV, Channels, R-Type, voltage-gated, voltage-dependent, Ca2+, SNX482, venoms, Tocris Bioscience, Voltage-gated Calcium Channel (CaV) Blocker products

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