Potent and selective N-type Ca2+ channel blocker (IC50 ~ 60 nM); selectively and reversibly blocks N-type Ca2+ channels. Does not block T-type Ca2+ channels, K+ channels or Na+ channels. Exhibits analgesic effects in vivo.
(Modifications: Disulfide bridge: 1-16,8-21,15-36)
|Storage||Store 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.
|Solubility||Soluble to 1 mg/ml in water|
Preparing Stock Solutions
The following data is based on the product molecular weight 4437.13. 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||0.23 mL||1.13 mL||2.25 mL|
|5 mM||0.05 mL||0.23 mL||0.45 mL|
|10 mM||0.02 mL||0.11 mL||0.23 mL|
|50 mM||0 mL||0.02 mL||0.05 mL|
References are publications that support the biological activity of the product.
Deng et al (2014) Huwentoxin-XVI, an analgesic, highly reversible mammalian N-type calcium channel antagonist from Chinese tarantula Ornithoctonus huwena. Neuropharmacology 79 657 PMID: 24467846
Jiang et al (2010) Venomics of the spider Ornithoctonus huwena based on transcriptomic versus proteomic analysis. Comp.Biochem.Physiol.Part D Genomics Proteomics 5 81 PMID: 20403776
If you know of a relevant reference for Huwentoxin XVI, please let us know.
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Major depressive disorder is characterized by depressed mood and a loss of interest and/or pleasure. Updated in 2015 this poster highlights presynaptic and postsynaptic targets for the potential treatment of major depressive disorder, as well as outlining the pharmacology of currently approved antidepressant drugs.