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Article

Structure of the bacterial flagellar protofilament and implications for a switch for supercoiling.

Nature - 15 Mar 2001

Samatey F A, Imada K, Nagashima S, Vonderviszt F, Kumasaka T, Yamamoto M, Namba K

Abstract excerpt

The bacterial flagellar filament is a helical propeller constructed from 11 protofilaments of a single protein, flagellin. The filament switches between left- and right-handed supercoiled forms when bacteria switch their swimming mode between running and tumbling. Supercoiling is produced by two different packing interactions of flagellin called L and R. In switching from L to R, the intersubunit distance (...

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PMID: 11268201
DOI: 10.1038/35066504

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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