Jingzhaotoxin-III

Modify Date: 2024-04-06 19:37:11

Jingzhaotoxin-III Structure
Jingzhaotoxin-III structure
Common Name Jingzhaotoxin-III
CAS Number 925463-91-8 Molecular Weight 3919.45
Density N/A Boiling Point N/A
Molecular Formula C174H241N47O46S6 Melting Point N/A
MSDS N/A Flash Point N/A

 Use of Jingzhaotoxin-III


Jingzhaotoxin-III is a potent and selective blocker of Nav1.5 channels, with an IC50 of 348 nM, and shows no effect on other sodium channel isoforms. Jingzhaotoxin-III can selectively inhibit the activation of cardiac sodium channel but not neuronal subtypes, and hopefully represents an important ligand for discriminating cardiac VGSC subtype[1][2].

 Names

Name Jingzhaotoxin-III

 Jingzhaotoxin-III Biological Activity

Description Jingzhaotoxin-III is a potent and selective blocker of Nav1.5 channels, with an IC50 of 348 nM, and shows no effect on other sodium channel isoforms. Jingzhaotoxin-III can selectively inhibit the activation of cardiac sodium channel but not neuronal subtypes, and hopefully represents an important ligand for discriminating cardiac VGSC subtype[1][2].
Related Catalog
Target

IC50: 348 nM (Nav1.5 Channels)[1]

References

[1]. Rong M, et, al. Molecular basis of the tarantula toxin jingzhaotoxin-III (β-TRTX-Cj1α) interacting with voltage sensors in sodium channel subtype Nav1.5. FASEB J. 2011 Sep; 25(9): 3177-85.

[2]. Xiao Y, et, al. Jingzhaotoxin-III, a novel spider toxin inhibiting activation of voltage-gated sodium channel in rat cardiac myocytes. J Biol Chem. 2004 Jun 18; 279(25): 26220-6.

 Chemical & Physical Properties

Molecular Formula C174H241N47O46S6
Molecular Weight 3919.45
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