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Structural insight into the role of the PAS domain for signal transduction in sensor-kinase BvgS

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Dupré, Elian | Clantin, Bernard | Yuan, Youhua | Lecher, Sophie | Lesne, Elodie | Antoine, Rudy | Villeret, Vincent | Jacob-Dubuisson, Françoise

Edité par CCSD ; American Society for Microbiology -

International audience. The two-component system BvgAS controls the virulence regulon in Bordetella pertussis. BvgS is the prototype of a family of sensor histidine-kinases harboring periplasmic Venus flytrap (VFT) domains. The VFT domains are connected to the cytoplasmic kinase moiety by helical linkers separated by a Per-ARNT-Sim (PAS) domain. Antagonism between the two linkers, as one forms a coiled coil when the other is dynamic and vice versa, regulates BvgS activity. Here we solved the structure of the intervening PAS domain by X-ray

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