# Margatoxin

Pricing Availability   Qty
Description: Potent KV1.3 channel blocker
Alternative Names: MgTX
Datasheet
Citations
Reviews (1)
Literature (5)

## Biological Activity

Potent KV1.3 channel blocker (IC50 = 36 pM). Displays no effect at calcium-activated channels. Reduces VEGF-induced transmembrane calcium influxes and nitric oxide production in human endothelial cells.

## Technical Data

 M. Wt 4178.96 Formula C178H286N52O50S7 Sequence TIINVKCTSPKQCLPPCKAQFGQSAGAKCMNGKCKCYPH (Modifications: Disulfide bridge between 7 - 29, 13 - 34, 17 - 36) Storage Store at -20°C CAS Number 145808-47-5 PubChem ID 121596045 InChI Key OVJBOPBBHWOWJI-FYNXUGHNSA-N Smiles [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCCCN)C(=O)N[C@H]1CSSC[C@@H]2NC(=O)[C@H](CCCCN)NC(=O)[C@H](C)NC(=O)CNC(=O)[C@H](C)NC(=O)[C@H](CO)NC(=O)[C@H](CCC(N)=O)NC(=O)CNC(=O)[C@H](CC3=CC=CC=C3)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](C)NC(=O)[C@H](CCCCN)NC(=O)[C@@H]3CSSC[C@H](NC(=O)[C@H](CCCCN)NC(=O)[C@H](CSSC[C@H](NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](CCCCN)NC(=O)[C@@H]4CCCN4C(=O)[C@H](CO)NC(=O)[C@@H](NC1=O)[C@@H](C)O)C(=O)N[C@@H](CC(C)C)C(=O)N1CCC[C@H]1C(=O)N1CCC[C@H]1C(=O)N3)NC(=O)[C@H](CCCCN)NC(=O)CNC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CCSC)NC2=O)C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CC1=CNC=N1)C(O)=O

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

Tocris products are intended for laboratory research use only, unless stated otherwise.

## Solubility Data

 Solubility Soluble to 0.50 mg/ml in water

## Product Datasheets

Certificate of Analysis / Product Datasheet
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## References

References are publications that support the biological activity of the product.

Garcia-Calvo et al (1993) Purification, characterization, and biosynthesis of Margatoxin, a component of Centruroides margaritatus venom that selectively inhibits voltage-dependent potassium channels. J.Biol.Chem. 268 18866 PMID: 8360176

Erdogan et al (2005) Margatoxin inhibits VEGF-induced hyperpolarization, proliferation and nitric oxide production of human endothelial cells. J.Vasc.Res. 42 368 PMID: 16043967

If you know of a relevant reference for Margatoxin, please let us know.

## View Related Products by Product Action

Keywords: Margatoxin, Margatoxin supplier, Kv1.3, channel, blocker, voltage-gated, potassium, channels, MgTX, MTX, venoms, Voltage-Gated, Potassium, Channels, 3563, Tocris Bioscience
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