3pxi

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[[Image:3pxi.png|left|200px]]
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==Structure of MecA108:ClpC==
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<StructureSection load='3pxi' size='340' side='right' caption='[[3pxi]], [[Resolution|resolution]] 6.93&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3pxi]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/Bacillus_subtilis Bacillus subtilis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3PXI OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3PXI FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2y1q|2y1q]], [[2y1r|2y1r]], [[3pxg|3pxg]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">mecA, BSU11520 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1423 Bacillus subtilis]), clpC, mecB, BSU00860 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1423 Bacillus subtilis])</td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3pxi FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3pxi OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3pxi RCSB], [http://www.ebi.ac.uk/pdbsum/3pxi PDBsum]</span></td></tr>
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<table>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Regulated proteolysis by ATP-dependent proteases is universal in all living cells. Bacterial ClpC, a member of the Clp/Hsp100 family of AAA+ proteins (ATPases associated with diverse cellular activities) with two nucleotide-binding domains (D1 and D2), requires the adaptor protein MecA for activation and substrate targeting. The activated, hexameric MecA-ClpC molecular machine harnesses the energy of ATP binding and hydrolysis to unfold specific substrate proteins and translocate the unfolded polypeptide to the ClpP protease for degradation. Here we report three related crystal structures: a heterodimer between MecA and the amino domain of ClpC, a heterododecamer between MecA and D2-deleted ClpC, and a hexameric complex between MecA and full-length ClpC. In conjunction with biochemical analyses, these structures reveal the organizational principles behind the hexameric MecA-ClpC complex, explain the molecular mechanisms for MecA-mediated ClpC activation and provide mechanistic insights into the function of the MecA-ClpC molecular machine. These findings have implications for related Clp/Hsp100 molecular machines.
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{{STRUCTURE_3pxi| PDB=3pxi | SCENE= }}
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Structure and mechanism of the hexameric MecA-ClpC molecular machine.,Wang F, Mei Z, Qi Y, Yan C, Hu Q, Wang J, Shi Y Nature. 2011 Mar 2. PMID:21368759<ref>PMID:21368759</ref>
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===Structure of MecA108:ClpC===
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br>
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</div>
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{{ABSTRACT_PUBMED_21368759}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[3pxi]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/Bacillus_subtilis Bacillus subtilis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3PXI OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:021368759</ref><references group="xtra"/>
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[[Category: Bacillus subtilis]]
[[Category: Bacillus subtilis]]
[[Category: Mei, Z Q.]]
[[Category: Mei, Z Q.]]

Revision as of 05:34, 4 June 2014

Structure of MecA108:ClpC

3pxi, resolution 6.93Å

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