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==Crystal Structure of the Chaperonin Complex Cpn60/Cpn10/(ADP)7 from Thermus Thermophilus==
==Crystal Structure of the Chaperonin Complex Cpn60/Cpn10/(ADP)7 from Thermus Thermophilus==
<StructureSection load='4v4o' size='340' side='right' caption='[[4v4o]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
<StructureSection load='4v4o' size='340' side='right'caption='[[4v4o]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4v4o]] is a 42 chain structure with sequence from [http://en.wikipedia.org/wiki/Thermus_thermophilus Thermus thermophilus]. This structure supersedes and combines the now removed PDB entries [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1we3 1we3] and [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1wf4 1wf4]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4V4O OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4V4O FirstGlance]. <br>
<table><tr><td colspan='2'>[[4v4o]] is a 42 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermus_thermophilus Thermus thermophilus]. This structure supersedes the now removed PDB entries [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1we3 1we3] and [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1wf4 1wf4]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4V4O OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4V4O FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene>, <scene name='pdbligand=DMS:DIMETHYL+SULFOXIDE'>DMS</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.8&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1we3|1we3]], [[1wf4|1wf4]]</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene>, <scene name='pdbligand=DMS:DIMETHYL+SULFOXIDE'>DMS</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
<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=4v4o FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4v4o OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4v4o RCSB], [http://www.ebi.ac.uk/pdbsum/4v4o PDBsum]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4v4o FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4v4o OCA], [https://pdbe.org/4v4o PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4v4o RCSB], [https://www.ebi.ac.uk/pdbsum/4v4o PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4v4o ProSAT]</span></td></tr>
</table>
</table>
{{Large structure}}
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/CH60_THET2 CH60_THET2]] Prevents misfolding and promotes the refolding and proper assembly of unfolded polypeptides generated under stress conditions (By similarity).[HAMAP-Rule:MF_00600] [[http://www.uniprot.org/uniprot/CH10_THET2 CH10_THET2]] Binds to Cpn60 in the presence of Mg-ATP and suppresses the ATPase activity of the latter (By similarity).
[https://www.uniprot.org/uniprot/CH60_THET2 CH60_THET2] Prevents misfolding and promotes the refolding and proper assembly of unfolded polypeptides generated under stress conditions (By similarity).[HAMAP-Rule:MF_00600]
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The chaperonins GroEL and GroES are essential mediators of protein folding. GroEL binds nonnative protein, ATP, and GroES, generating a ternary complex in which protein folding occurs within the cavity capped by GroES (cis-cavity). We determined the crystal structure of the native GroEL-GroES-ADP homolog from Thermus thermophilus, with substrate proteins in the cis-cavity, at 2.8 A resolution. Twenty-four in vivo substrate proteins within the cis-cavity were identified from the crystals. The structure around the cis-cavity, which encapsulates substrate proteins, shows significant differences from that observed for the substrate-free Escherichia coli GroEL-GroES complex. The apical domain around the cis-cavity of the Thermus GroEL-GroES complex exhibits a large deviation from the 7-fold symmetry. As a result, the GroEL-GroES interface differs considerably from the previously reported E. coli GroEL-GroES complex, including a previously unknown contact between GroEL and GroES.
 
Crystal structure of the native chaperonin complex from Thermus thermophilus revealed unexpected asymmetry at the cis-cavity.,Shimamura T, Koike-Takeshita A, Yokoyama K, Masui R, Murai N, Yoshida M, Taguchi H, Iwata S Structure. 2004 Aug;12(8):1471-80. PMID:15296740<ref>PMID:15296740</ref>
 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>


==See Also==
==See Also==
*[[Chaperonin|Chaperonin]]
*[[Heat Shock Protein structures|Heat Shock Protein structures]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Large Structures]]
[[Category: Thermus thermophilus]]
[[Category: Thermus thermophilus]]
[[Category: Iwata, S]]
[[Category: Iwata S]]
[[Category: Koike-Takeshita, A]]
[[Category: Koike-Takeshita A]]
[[Category: Masui, R]]
[[Category: Masui R]]
[[Category: Murai, N]]
[[Category: Murai N]]
[[Category: Shimamura, T]]
[[Category: Shimamura T]]
[[Category: Taguchi, H]]
[[Category: Taguchi H]]
[[Category: Yokoyama, K]]
[[Category: Yokoyama K]]
[[Category: Yoshida, M]]
[[Category: Yoshida M]]
[[Category: Adp]]
[[Category: Atp]]
[[Category: Chaperone]]
[[Category: Chaperonin]]
[[Category: Cpn10]]
[[Category: Cpn60]]
[[Category: Folding]]
[[Category: Groel]]
[[Category: Roe]]
[[Category: Hsp10]]
[[Category: Hsp60]]
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