Iberiotoxin (TFA)

Iberiotoxin (TFA) is a selective high conductance high conductance Ca2+-activated K+ channel inhibitor with a Kd of ~1 nM. Iberiotoxin (TFA) does not block other types of voltage-dependent ion channels[1][2][3].

Product Specifications

UNSPSC

12352209

Target

Potassium Channel

Type

Peptides

Related Pathways

Membrane Transporter/Ion Channel

Applications

Neuroscience-Neuromodulation

Field of Research

Others

Assay Protocol

https://www.medchemexpress.com/iberiotoxin-tfa.html

Purity

99.05

Solubility

DMSO : ≥ 100 mg/mL

Smiles

O=C(N[C@@H](CC1=CC=CC=C1)C(N[C@@H]([C@H](O)C)C(N[C@@H](CC(O)=O)C(N[C@@H](C(C)C)C(N[C@@H](CC(O)=O)C(N[C@@H](CSSC[C@H](NC2=O)C(N[C@@H](CCSC)C(NCC(N[C@@H](CCCCN)C(N[C@H]3CCCCN)=O)=O)=O)=O)C(N[C@@H](CO)C(N[C@@H](C(C)C)C(N[C@@H](CO)C(N[C@@H](CCCCN)C(N[C@@H](CCC(O)=O)C(N[C@@H](CSSC[C@H](NC3=O)C(N[C@H]4CCCNC(N)=N)=O)C(N[C@@H](CC5=CNC6=CC=CC=C56)C(N[C@@H](CO)C(N[C@@H](C(C)C)C(N[C@@H](CSSC[C@H](NC4=O)C(N[C@@H](CC7=CC=C(C=C7)O)C(N[C@@H](CCC(N)=O)C(O)=O)=O)=O)C(N[C@@H](CCCCN)C(N[C@@H](CC(O)=O)C(N[C@@H](CC(C)C)C(N[C@@H](CC8=CC=CC=C8)C(NCC(N[C@@H](C(C)C)C(N[C@@H](CC(O)=O)C(N[C@@H](CCCNC(N)=N)C(NCC(N[C@H]2CCCCN)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)[C@H](CC9)NC9=O.OC(C(F)(F)F)=O.[x]

Molecular Formula

C179H274N50O55S7.xC2HF3O2

Molecular Weight

4230.85 (free base)

References & Citations

[1]Galvez A, et al. Purification and characterization of a unique, potent, peptidyl probe for the high conductance calcium-activated potassium channel from venom of the scorpion Buthus tamulus. J Biol Chem. 1990;265 (19) :11083-11090.|[2]Echeverry S, et al. Activation of BK Channel Contributes to PL-Induced Mesenchymal Stem Cell Migration. Front Physiol. 2020;11:210.|[3]Wang RJ, et al. Downregulation of large conductance calcium-activated potassium channels in paraventricular nucleus contributes to sympathoexcitation in rats with chronic heart failure. Zhonghua Xin Xue Guan Bing Za Zhi. 2018;46 (3) :178-186.