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Article

Comparative study of the gating motif and C-type inactivation in prokaryotic voltage-gated sodium channels.

The Journal of biological chemistry - 5 Feb 2010

Irie Katsumasa, Kitagawa Kazuya, Nagura Hitoshi, Imai Tomoya, Shimomura Takushi, Fujiyoshi Yoshinori

Abstract excerpt

Prokaryotic voltage-gated sodium channels (Na(V)s) are homotetramers and are thought to inactivate through a single mechanism, named C-type inactivation. Here we report the voltage dependence and inactivation rate of the NaChBac channel from Bacillus halodurans, the first identified prokaryotic Na(V), as well as of three new homologues cloned from Bacillus licheniformis (Na(V)BacL), Shewanella putrefaciens...

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Identifiers

PMID: 19959480
DOI: 10.1074/jbc.M109.057455
PMCID: PMC2823509

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