Article
Amphiphilic blockers punch through a mutant CLC-0 pore.
The Journal of general physiology - 1 Jan 2009
Zhang Xiao-Dong, Chen Tsung-Yu
Abstract excerpt
Intracellularly applied amphiphilic molecules, such as p-chlorophenoxy acetate (CPA) and octanoate, block various pore-open mutants of CLC-0. The voltage-dependent block of a particular pore-open mutant, E166G, was found to be multiphasic. In symmetrical 140 mM Cl(-), the apparent affinity of the blocker in this mutant increased with a negative membrane potential but, paradoxically, decreased when the negative...
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