1zdm

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{{STRUCTURE_1zdm| PDB=1zdm | SCENE= }}
 
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===Crystal Structure of Activated CheY Bound to Xe===
 
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{{ABSTRACT_PUBMED_15741343}}
 
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==About this Structure==
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==Crystal Structure of Activated CheY Bound to Xe==
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[[1zdm]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ZDM OCA].
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<StructureSection load='1zdm' size='340' side='right'caption='[[1zdm]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1zdm]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ZDM OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1ZDM FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.4&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BFD:ASPARTATE+BERYLLIUM+TRIFLUORIDE'>BFD</scene>, <scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene>, <scene name='pdbligand=XE:XENON'>XE</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1zdm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1zdm OCA], [https://pdbe.org/1zdm PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1zdm RCSB], [https://www.ebi.ac.uk/pdbsum/1zdm PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1zdm ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://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>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/zd/1zdm_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1zdm ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The chemical shift of the (129)Xe NMR signal has been shown to be extremely sensitive to the local environment around the atom and has been used to follow processes such as ligand binding by bacterial periplasmic binding proteins. Here we show that the (129)Xe shift can sense more subtle changes: magnesium binding, BeF(3)(-) activation, and peptide binding by the Escherichia coli chemotaxis Y protein. (1)H-(15)N correlation spectroscopy and X-ray crystallography were used to identify two xenon-binding cavities in CheY that are primarily responsible for the shift changes. One site is near the active site, and the other is near the peptide binding site.
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==See Also==
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Distinguishing multiple chemotaxis Y protein conformations with laser-polarized 129Xe NMR.,Lowery TJ, Doucleff M, Ruiz EJ, Rubin SM, Pines A, Wemmer DE Protein Sci. 2005 Apr;14(4):848-55. Epub 2005 Mar 1. PMID:15741343<ref>PMID:15741343</ref>
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*[[Chemotaxis protein|Chemotaxis protein]]
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==Reference==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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<ref group="xtra">PMID:015741343</ref><ref group="xtra">PMID:011279165</ref><ref group="xtra">PMID:010731410</ref><ref group="xtra">PMID:011135671</ref><references group="xtra"/>
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</div>
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<div class="pdbe-citations 1zdm" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[Chemotaxis protein 3D structures|Chemotaxis protein 3D structures]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
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[[Category: Doucleff, M.]]
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[[Category: Large Structures]]
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[[Category: Lowery, T J.]]
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[[Category: Doucleff M]]
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[[Category: Pines, A.]]
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[[Category: Lowery TJ]]
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[[Category: Rubin, S M.]]
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[[Category: Pines A]]
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[[Category: Ruiz, E J.]]
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[[Category: Rubin SM]]
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[[Category: Wemmer, D E.]]
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[[Category: Ruiz EJ]]
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[[Category: Activated chey]]
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[[Category: Wemmer DE]]
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[[Category: Bef3]]
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[[Category: Protein cavity]]
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[[Category: Protein conformation assay]]
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[[Category: Response regulator]]
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[[Category: Signaling protein]]
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[[Category: Xenon binding]]
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Current revision

Crystal Structure of Activated CheY Bound to Xe

PDB ID 1zdm

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