"BeKm-1" Related Products

Synthetic BeKm-1

Cat.No.: TOXPP-555S
Product Overview: This product is a selective blocker of ERG1 channel with the formula of C174H261N51O52S6.
Description: BeKm-1 toxinis a peptide toxin that has been isolated from the venom of the Central Asian scorpion Buthus eupeus. BeKm-1 toxin has been reported to be a highly selective inhibitor of the human ether-a-go-go ERG1 channel (hERG1). BeKm-1 inhibits hERG1 channels expressed in HEK-293 cells with an IC50 of 3.3 nM, but has no effect at 100 nM on human EAG, human SK1, rat SK2, human IK, human BK, KCNQ1/KCNE1, KCNQ2/KCNQ3, and KCNQ4 channels. It has also minimal effects on rat ELK1 channel. BeKm-1 inhibits the human ERG1 + KCNE1 combination transiently expressed in HEK-293 cells with an IC50 value in the range of 10 to 30 nM. BeKm-1 toxin preferentially blocks human ERG channel through the closed (resting) state, although some open channel blockade is also reported to occur.
Source: Synthetic
Species: Synthetic
Form: White lyophilized solid
Molecular Mass: 4091.70 Da
Protein length: 36
AA Sequence: AA sequence: Arg-Pro-Thr-Asp-Ile-Lys-Cys7-Ser-Glu-Ser-Tyr-Gln-Cys13-Phe-Pro-Val-Cys17-Lys-Ser-Arg-Phe-Gly-Lys-Thr-Asn-Gly-Arg-Cys28-Val-Asn-Gly-Phe-Cys33-Asp-Cys35-Phe-OH
Disulfide Bonds: Cys7-Cys28; Cys13-Cys33; Cys17-Cys35
Purity: > 97%
Reconstitution: Water or saline buffer

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Optional requirements on this protein    +Expand
C-fusion    N-fusion   Non-tagged
His    GST   Fc   Others
<1.0 eu/μg    <0.1 eu/μg   <0.01 eu/μg   Not required
Monomer Isolation    Dimer Isolation    Not required
>80% by SDS-PAGE    >90% by SDS-PAGE   >95% by SDS-PAGE   Others

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