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. 2006 Jun;127(6):673–685. doi: 10.1085/jgp.200609534

Figure 2.

Figure 2.

Charybdotoxin as an orientation tool for MthK channels. (A) Single-channel MthK traces with 0, 0.72, 7.2, and 72 nM CTX at −200 mV. (B) MthK open probability from a representative bilayer as a function of CTX concentration. Data was fit (smooth line) with the equation
graphic file with name M7.gif
with a Kd of ∼1 nM.