3ezi

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==Crystal Structure of the E. coli Histidine Kinase NarX Sensor Domain without Ligand==
==Crystal Structure of the E. coli Histidine Kinase NarX Sensor Domain without Ligand==
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<StructureSection load='3ezi' size='340' side='right' caption='[[3ezi]], [[Resolution|resolution]] 1.70&Aring;' scene=''>
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<StructureSection load='3ezi' size='340' side='right'caption='[[3ezi]], [[Resolution|resolution]] 1.70&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3ezi]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Ecoli Ecoli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3EZI OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3EZI FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3ezi]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli_K-12 Escherichia coli K-12]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3EZI OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3EZI FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=IPA:ISOPROPYL+ALCOHOL'>IPA</scene></td></tr>
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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]] 1.7&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3ezh|3ezh]]</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=IPA:ISOPROPYL+ALCOHOL'>IPA</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">b1222, JW1213, narR, narX ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 ECOLI])</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=3ezi FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ezi OCA], [https://pdbe.org/3ezi PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3ezi RCSB], [https://www.ebi.ac.uk/pdbsum/3ezi PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3ezi ProSAT]</span></td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Histidine_kinase Histidine kinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.13.3 2.7.13.3] </span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3ezi FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ezi OCA], [http://pdbe.org/3ezi PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3ezi RCSB], [http://www.ebi.ac.uk/pdbsum/3ezi PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3ezi ProSAT]</span></td></tr>
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</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/NARX_ECOLI NARX_ECOLI]] Acts as a sensor for nitrate/nitrite and transduces signal of nitrate availability to the NarL protein and of both nitrate/nitrite to the NarP protein. NarX probably activates NarL and NarP by phosphorylation in the presence of nitrate. NarX also plays a negative role in controlling NarL activity, probably through dephosphorylation in the absence of nitrate.
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[https://www.uniprot.org/uniprot/NARX_ECOLI NARX_ECOLI] Acts as a sensor for nitrate/nitrite and transduces signal of nitrate availability to the NarL protein and of both nitrate/nitrite to the NarP protein. NarX probably activates NarL and NarP by phosphorylation in the presence of nitrate. NarX also plays a negative role in controlling NarL activity, probably through dephosphorylation in the absence of nitrate.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
<jmolCheckbox>
<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ez/3ezi_consurf.spt"</scriptWhenChecked>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ez/3ezi_consurf.spt"</scriptWhenChecked>
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
<text>to colour the structure by Evolutionary Conservation</text>
<text>to colour the structure by Evolutionary Conservation</text>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Ecoli]]
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[[Category: Escherichia coli K-12]]
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[[Category: Histidine kinase]]
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[[Category: Large Structures]]
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[[Category: Cheung, J]]
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[[Category: Cheung J]]
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[[Category: Hendrickson, W A]]
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[[Category: Hendrickson WA]]
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[[Category: Cell inner membrane]]
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[[Category: Cell membrane]]
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[[Category: Histidine kinase sensor domain]]
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[[Category: Kinase]]
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[[Category: Membrane]]
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[[Category: Nitrate assimilation]]
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[[Category: Phosphoprotein]]
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[[Category: Transferase]]
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[[Category: Transmembrane]]
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[[Category: Two-component regulatory system]]
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Current revision

Crystal Structure of the E. coli Histidine Kinase NarX Sensor Domain without Ligand

PDB ID 3ezi

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