3d2e

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{{STRUCTURE_3d2e| PDB=3d2e | SCENE= }}
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==Crystal structure of a complex of Sse1p and Hsp70, Selenomethionine-labeled crystals==
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===Crystal structure of a complex of Sse1p and Hsp70, Selenomethionine-labeled crystals===
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<StructureSection load='3d2e' size='340' side='right' caption='[[3d2e]], [[Resolution|resolution]] 2.35&Aring;' scene=''>
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{{ABSTRACT_PUBMED_18555782}}
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3d2e]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3D2E OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3D2E 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=ATP:ADENOSINE-5-TRIPHOSPHATE'>ATP</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
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<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3d2f|3d2f]]</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">SSE1, MSI3, YPL106C, LPG3C ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=4932 Saccharomyces cerevisiae]), HSPA1A, HSPA1, HSPA1B ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</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=3d2e FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3d2e OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3d2e RCSB], [http://www.ebi.ac.uk/pdbsum/3d2e PDBsum]</span></td></tr>
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</table>
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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/d2/3d2e_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/chain_selection.php?pdb_ID=2ata 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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Protein folding by Hsp70 is tightly controlled by cochaperones, including J-domain proteins that trigger ATP hydrolysis and nucleotide exchange factors (NEFs) that remove ADP from Hsp70. Here we present the crystal structure of the yeast NEF Sse1p (Hsp110) in complex with the nucleotide-binding domain (NBD) of Hsp70. Hsp110 proteins are homologous to Hsp70s and consist of an NBD, a beta sandwich domain, and a three helix bundle domain (3HBD). In the complex, the NBD of Sse1p is ATP bound, and together with the 3HBD it embraces the NBD of Hsp70, inducing opening and the release of bound ADP from Hsp70. Mutations that abolish NEF activity are lethal, thus defining nucleotide exchange on Hsp70 as an essential function of Sse1p. Our data suggest that Sse1p does not employ the nucleotide-dependent allostery and peptide-binding mode of canonical Hsp70s, and that direct interactions of substrate with Sse1p may support Hsp70-assisted protein folding in a cooperative process.
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==Function==
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Structural basis for the cooperation of Hsp70 and Hsp110 chaperones in protein folding.,Polier S, Dragovic Z, Hartl FU, Bracher A Cell. 2008 Jun 13;133(6):1068-79. PMID:18555782<ref>PMID:18555782</ref>
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[[http://www.uniprot.org/uniprot/HSP7F_YEAST HSP7F_YEAST]] Has a calcium-dependent calmodulin-binding activity. Required for normal growth at various temperatures.
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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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[[3d2e]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3D2E OCA].
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</div>
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==Reference==
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==See Also==
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<ref group="xtra">PMID:018555782</ref><references group="xtra"/><references/>
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*[[Heat Shock Proteins|Heat Shock Proteins]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
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[[Category: Bracher, A.]]
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[[Category: Bracher, A]]
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[[Category: Polier, S.]]
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[[Category: Polier, S]]
[[Category: Atp-binding]]
[[Category: Atp-binding]]
[[Category: Calmodulin-binding]]
[[Category: Calmodulin-binding]]

Revision as of 14:09, 18 December 2014

Crystal structure of a complex of Sse1p and Hsp70, Selenomethionine-labeled crystals

3d2e, resolution 2.35Å

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