7uj0

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'''Unreleased structure'''
 
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The entry 7uj0 is ON HOLD until Paper Publication
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==ClpAP complex bound to ClpS N-terminal extension, class IIIb==
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<StructureSection load='7uj0' size='340' side='right'caption='[[7uj0]], [[Resolution|resolution]] 3.26&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[7uj0]] 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=7UJ0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7UJ0 FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 3.26&#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=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene>, <scene name='pdbligand=AGS:PHOSPHOTHIOPHOSPHORIC+ACID-ADENYLATE+ESTER'>AGS</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></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=7uj0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7uj0 OCA], [https://pdbe.org/7uj0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7uj0 RCSB], [https://www.ebi.ac.uk/pdbsum/7uj0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7uj0 ProSAT]</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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ClpAP, a two-ring AAA+ protease, degrades N-end-rule proteins bound by the ClpS adaptor. Here we present high-resolution cryo-EM structures of Escherichia coli ClpAPS complexes, showing how ClpA pore loops interact with the ClpS N-terminal extension (NTE), which is normally intrinsically disordered. In two classes, the NTE is bound by a spiral of pore-1 and pore-2 loops in a manner similar to substrate-polypeptide binding by many AAA+ unfoldases. Kinetic studies reveal that pore-2 loops of the ClpA D1 ring catalyze the protein remodeling required for substrate delivery by ClpS. In a third class, D2 pore-1 loops are rotated, tucked away from the channel and do not bind the NTE, demonstrating asymmetry in engagement by the D1 and D2 rings. These studies show additional structures and functions for key AAA+ elements. Pore-loop tucking may be used broadly by AAA+ unfoldases, for example, during enzyme pausing/unloading.
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Authors:
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AAA+ protease-adaptor structures reveal altered conformations and ring specialization.,Kim S, Fei X, Sauer RT, Baker TA Nat Struct Mol Biol. 2022 Nov;29(11):1068-1079. doi: 10.1038/s41594-022-00850-3. , Epub 2022 Nov 3. PMID:36329286<ref>PMID:36329286</ref>
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Description:
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[Category: Unreleased Structures]]
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</div>
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<div class="pdbe-citations 7uj0" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Escherichia coli]]
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[[Category: Large Structures]]
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[[Category: Baker TA]]
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[[Category: Fei X]]
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[[Category: Kim S]]
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[[Category: Sauer RT]]

Current revision

ClpAP complex bound to ClpS N-terminal extension, class IIIb

PDB ID 7uj0

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