1ons

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[[Image:1ons.png|left|200px]]
 
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{{STRUCTURE_1ons| PDB=1ons | SCENE= }}
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==Crystal structure of Escherichia coli heat shock protein YedU==
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<StructureSection load='1ons' size='340' side='right'caption='[[1ons]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
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===Crystal structure of Escherichia coli heat shock protein YedU===
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1ons]] is a 1 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=1ONS OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1ONS FirstGlance]. <br>
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{{ABSTRACT_PUBMED_14500888}}
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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]] 2.2&#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=ZN:ZINC+ION'>ZN</scene></td></tr>
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==About this Structure==
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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=1ons FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ons OCA], [https://pdbe.org/1ons PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ons RCSB], [https://www.ebi.ac.uk/pdbsum/1ons PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ons ProSAT]</span></td></tr>
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[[1ons]] is a 1 chain structure of [[Heat Shock Proteins]] 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=1ONS OCA].
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/HCHA_ECOLI HCHA_ECOLI] Functions as a holding molecular chaperone (holdase) which stabilizes unfolding intermediates and rapidly releases them in an active form once stress has abated. Plays an important role in protecting cells from severe heat shock and starvation, as well as in acid resistance of stationary-phase cells. It uses temperature-induced exposure of structured hydrophobic domains to capture and stabilizes early unfolding and denatured protein intermediates under severe thermal stress. Catalyzes the conversion of methylglyoxal (MG) to D-lactate in a single glutathione (GSH)-independent step. It can also use phenylglyoxal as substrate. Glyoxalase activity protects cells against dicarbonyl stress. Displays an aminopeptidase activity that is specific against peptide substrates with alanine or basic amino acids (lysine, arginine) at N-terminus.<ref>PMID:7848303</ref> <ref>PMID:12235139</ref> <ref>PMID:12565879</ref> <ref>PMID:14731284</ref> <ref>PMID:15550391</ref> <ref>PMID:16796689</ref> <ref>PMID:17158627</ref> <ref>PMID:21696459</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/on/1ons_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.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=1ons ConSurf].
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<div style="clear:both"></div>
==See Also==
==See Also==
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*[[Heat Shock Proteins|Heat Shock Proteins]]
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*[[Heat Shock Protein structures|Heat Shock Protein structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:014500888</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
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[[Category: Fox, R O.]]
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[[Category: Large Structures]]
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[[Category: Zhao, Y.]]
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[[Category: Fox RO]]
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[[Category: Chaperone]]
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[[Category: Zhao Y]]
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[[Category: Heat shock protein]]
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[[Category: Hsp31]]
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[[Category: Protease]]
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[[Category: Stress response]]
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[[Category: Yedu]]
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Current revision

Crystal structure of Escherichia coli heat shock protein YedU

PDB ID 1ons

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