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. 2006 Aug;128(2):231–246. doi: 10.1085/jgp.200509465

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Copyright © 2006, The Rockefeller University Press

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Figure 4. — Neutralization of residue K356 increased single channel conductance by 60%. Main graph: I-V relationship for Kv2.1 (filled circles), the double lysine mutant (open circles), and the single K356G mutant (filled diamonds), obtained from single channel recordings. Current values at multiple membrane potentials were obtained with 100 mM internal and 60 mM external [K⁺]. The lines represent the best fit of the data between −40 and +40 mV. Traces below graph: representative single channel records for the wild type and double lysine mutant channels, recorded at +60 mV.