1bdj

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===COMPLEX STRUCTURE OF HPT DOMAIN AND CHEY===
===COMPLEX STRUCTURE OF HPT DOMAIN AND CHEY===
{{ABSTRACT_PUBMED_10393292}}
{{ABSTRACT_PUBMED_10393292}}
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==Function==
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[[http://www.uniprot.org/uniprot/CHEY_ECOLI CHEY_ECOLI]] Involved in the transmission of sensory signals from the chemoreceptors to the flagellar motors. In its active (phosphorylated or acetylated) form, CheY exhibits enhanced binding to a switch component, FliM, at the flagellar motor which induces a change from counterclockwise to clockwise flagellar rotation. Overexpression of CheY in association with MotA and MotB improves motility of a ycgR disruption, suggesting there is an interaction (direct or indirect) between the c-di-GMP-binding flagellar brake protein and the flagellar stator.<ref>PMID:20346719</ref> [[http://www.uniprot.org/uniprot/ARCB_ECOLI ARCB_ECOLI]] Member of the two-component regulatory system ArcB/ArcA. Sensor-regulator protein for anaerobic repression of the arc modulon. Activates ArcA via a four-step phosphorelay. ArcB can also dephosphorylate ArcA by a reverse phosphorelay involving His-717 and Asp-576.
==About this Structure==
==About this Structure==
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==Reference==
==Reference==
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<ref group="xtra">PMID:010393292</ref><references group="xtra"/>
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<ref group="xtra">PMID:010393292</ref><references group="xtra"/><references/>
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
[[Category: Hakoshima, T.]]
[[Category: Hakoshima, T.]]

Revision as of 03:00, 20 September 2013

Template:STRUCTURE 1bdj

Contents

COMPLEX STRUCTURE OF HPT DOMAIN AND CHEY

Template:ABSTRACT PUBMED 10393292

Function

[CHEY_ECOLI] Involved in the transmission of sensory signals from the chemoreceptors to the flagellar motors. In its active (phosphorylated or acetylated) form, CheY exhibits enhanced binding to a switch component, FliM, at the flagellar motor which induces a change from counterclockwise to clockwise flagellar rotation. Overexpression of CheY in association with MotA and MotB improves motility of a ycgR disruption, suggesting there is an interaction (direct or indirect) between the c-di-GMP-binding flagellar brake protein and the flagellar stator.[1] [ARCB_ECOLI] Member of the two-component regulatory system ArcB/ArcA. Sensor-regulator protein for anaerobic repression of the arc modulon. Activates ArcA via a four-step phosphorelay. ArcB can also dephosphorylate ArcA by a reverse phosphorelay involving His-717 and Asp-576.

About this Structure

1bdj is a 2 chain structure with sequence from Escherichia coli. Full crystallographic information is available from OCA.

See Also

Reference

  • Kato M, Shimizu T, Mizuno T, Hakoshima T. Structure of the histidine-containing phosphotransfer (HPt) domain of the anaerobic sensor protein ArcB complexed with the chemotaxis response regulator CheY. Acta Crystallogr D Biol Crystallogr. 1999 Jul;55(Pt 7):1257-63. PMID:10393292
  1. ↑ Paul K, Nieto V, Carlquist WC, Blair DF, Harshey RM. The c-di-GMP binding protein YcgR controls flagellar motor direction and speed to affect chemotaxis by a "backstop brake" mechanism. Mol Cell. 2010 Apr 9;38(1):128-39. doi: 10.1016/j.molcel.2010.03.001. Epub 2010, Mar 25. PMID:20346719 doi:10.1016/j.molcel.2010.03.001

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