2nwc

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[[Image:2nwc.jpg|left|200px]]
 
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==A 3.02 angstrom crystal structure of wild-type apo GroEL in a monoclinic space group==
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The line below this paragraph, containing "STRUCTURE_2nwc", creates the "Structure Box" on the page.
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<StructureSection load='2nwc' size='340' side='right'caption='[[2nwc]], [[Resolution|resolution]] 3.02&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[2nwc]] is a 14 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=2NWC OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2NWC FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 3.02&#8491;</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=2nwc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2nwc OCA], [https://pdbe.org/2nwc PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2nwc RCSB], [https://www.ebi.ac.uk/pdbsum/2nwc PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2nwc ProSAT]</span></td></tr>
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{{STRUCTURE_2nwc| PDB=2nwc | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CH60_ECOLI CH60_ECOLI] Prevents misfolding and promotes the refolding and proper assembly of unfolded polypeptides generated under stress conditions.[HAMAP-Rule:MF_00600] Essential for the growth of the bacteria and the assembly of several bacteriophages. Also plays a role in coupling between replication of the F plasmid and cell division of the cell.[HAMAP-Rule:MF_00600]
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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/nw/2nwc_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=2nwc 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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GroEL is a member of the ATP-dependent chaperonin family that promotes the proper folding of many cytosolic bacterial proteins. The structures of GroEL in a variety of different states have been determined using X-ray crystallography and cryo-electron microscopy. In this study, a 3.02 A crystal structure of the native GroEL complex from Escherichia coli is presented. The complex was purified and crystallized in the absence of potassium ions, which allowed evaluation of the structural changes that may occur in response to cognate potassium-ion binding by comparison to the previously determined wild-type GroEL structure (PDB code 1xck), in which potassium ions were observed in all 14 subunits. In general, the structure is similar to the previously determined wild-type GroEL crystal structure with some differences in regard to temperature-factor distribution.
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'''A 3.02 angstrom crystal structure of wild-type apo GroEL in a monoclinic space group'''
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Purification, crystallization and structure determination of native GroEL from Escherichia coli lacking bound potassium ions.,Kiser PD, Lodowski DT, Palczewski K Acta Crystallogr Sect F Struct Biol Cryst Commun. 2007 Jun 1;63(Pt, 6):457-61. Epub 2007 May 5. PMID:17554162<ref>PMID:17554162</ref>
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==Overview==
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GroEL is a member of the ATP-dependent chaperonin family that promotes the proper folding of many cytosolic bacterial proteins. The structures of GroEL in a variety of different states have been determined using X-ray crystallography and cryo-electron microscopy. In this study, a 3.02 A crystal structure of the native GroEL complex from Escherichia coli is presented. The complex was purified and crystallized in the absence of potassium ions, which allowed evaluation of the structural changes that may occur in response to cognate potassium-ion binding by comparison to the previously determined wild-type GroEL structure (PDB code 1xck), in which potassium ions were observed in all 14 subunits. In general, the structure is similar to the previously determined wild-type GroEL crystal structure with some differences in regard to temperature-factor distribution.
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==About this Structure==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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2NWC is a [[Single protein]] structure of 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=2NWC OCA].
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</div>
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<div class="pdbe-citations 2nwc" style="background-color:#fffaf0;"></div>
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==Reference==
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==See Also==
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Purification, crystallization and structure determination of native GroEL from Escherichia coli lacking bound potassium ions., Kiser PD, Lodowski DT, Palczewski K, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2007 Jun 1;63(Pt, 6):457-61. Epub 2007 May 5. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/17554162 17554162]
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*[[Heat Shock Protein structures|Heat Shock Protein structures]]
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[[Category: Chaperonin ATPase]]
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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: Single protein]]
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[[Category: Large Structures]]
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[[Category: Kiser, P D.]]
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[[Category: Kiser PD]]
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[[Category: Lodowski, D T.]]
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[[Category: Lodowski DT]]
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[[Category: Palczewski, K.]]
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[[Category: Palczewski K]]
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[[Category: Chaperonin]]
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[[Category: Hsp60]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 09:59:39 2008''
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Current revision

A 3.02 angstrom crystal structure of wild-type apo GroEL in a monoclinic space group

PDB ID 2nwc

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