GsAF-2
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.
Product Specifications
Specifications
Blocker of Nav1.1 / 1.2 / 1.3 / 1.4 / 1.6 / 1.7
Target
Na channels
Sequence
YCQKWMWTCDEERKCCEGLVCRLWCKKKIEW
Peptide Number
12GSF002
Disulfide Bonds
Cys2-Cys16; Cys9-Cys21; ; Cys15-Cys25
N Terminal Sequence
H
C Terminal Sequence
OH
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