GsAF-2
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GsAF-2

GsAF-2 – Ion Channels and Transporters GsAF-II (also termed Kappa-theraphotoxin-Gr2c, GsAF-2) was originally isolated from the venom of Grammostola rosea spider. GsAF-II peptide toxin has antinociceptive and antiarrhythmic effects in mammals. The peptide is reported to block the following voltage-gated sodium channels: Nav1.1, Nav1.2, Nav1.3, Nav1.4, Nav1.6 and Nav1.7 with IC50 values of, respectively, 5.7, […]

Technical Specifications

Sequence:H-YCQKWMWTCDEERKCCEGLVCRLWCKKKIEW-OH (Cys2-Cys16; Cys9-Cys21; ; Cys15-Cys25)
Purity:> 95% (by HPLC)
Counter-Ion:TFA Salts
Delivery Format:Lyophilized



Product Description & Background

GsAF-2 – Ion Channels and Transporters

GsAF-II (also termed Kappa-theraphotoxin-Gr2c, GsAF-2) was originally isolated from the venom of Grammostola rosea spider. GsAF-II peptide toxin has antinociceptive and antiarrhythmic effects in mammals. The peptide is reported to block the following voltage-gated sodium channels: Nav1.1, Nav1.2, Nav1.3, Nav1.4, Nav1.6 and Nav1.7 with IC50 values of, respectively, 5.7, 12, 24, 4, 6.6 and 1.3 µM. This peptide also blocks hERG1 with an IC50 value of 4.7 µM.

 

Technical specification

 KD20 peptide Sequence : H-YCQKWMWTCDEERKCCEGLVCRLWCKKKIEW-OH (Cys2-Cys16; Cys9-Cys21; ; Cys15-Cys25)
 KD20 peptide MW : 3201.54 g/mol
 KD20 peptide Purity : > 95%
 KD20 peptide Counter-Ion : TFA Salts
Peptide library synthesis KD20 peptide Delivery format : Lyophilized

Price

 

Product Size Price € Price $
12GSF002-0.1 mg 0.1 mg 220€ 264$
12GSF002-0.5 mg 0.5 mg 660€ 792$
12GSF002-1 mg 1 mg 1045€ 1254$

If you’d like to learn more about this toxin, visit our product page on our Genpabio website—Our sister company specializing in the synthesis of complex toxins.