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Article

Regulatory Role of a Hydrophobic Core in the FliG C-Terminal Domain in the Rotary Direction of a Flagellar Motor.

Biomolecules - 1 Feb 2025

Nishikino Tatsuro, Hatano Akihiro, Kojima Seiji, Homma Michio

Abstract excerpt

A flagellar motor can rotate either counterclockwise (CCW) or clockwise (CW), and rotational switching is triggered by conformational changes in FliG, although the molecular mechanism is still unknown. Here, we found that cheY deletion, which locks motor rotation in the CCW direction, restored the motility abolished by the fliG L259Q mutation. We found that the CCW-biased fliG G214S mutation also restored the...

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Identifiers

PMID: 40001515
DOI: 10.3390/biom15020212
PMCID: PMC11853002

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