View source for 6sfx


==Cryo-EM structure of ClpP1/2 in the LmClpXP1/2 complex==
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== Structural highlights ==
<table><tr><td colspan='2'>[[6sfx]] is a 14 chain structure with sequence from [http://en.wikipedia.org/wiki/"bacterium_monocytogenes_hominis"_nyfeldt_1932 "bacterium monocytogenes hominis" nyfeldt 1932]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6SFX OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=6SFX FirstGlance]. <br>
</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[6sfw|6sfw]]</td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">clpP, AF298_10370, ARH36_13110, B1O28_12965, B1O52_13110, EFC24_09160, EHH22_02890, EK32_11400, JJ01_06855 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1639 "Bacterium monocytogenes hominis" Nyfeldt 1932]), clpP, LmNIHS28_02056 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1639 "Bacterium monocytogenes hominis" Nyfeldt 1932])</td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Endopeptidase_Clp Endopeptidase Clp], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.21.92 3.4.21.92] </span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=6sfx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6sfx OCA], [http://pdbe.org/6sfx PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6sfx RCSB], [http://www.ebi.ac.uk/pdbsum/6sfx PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6sfx ProSAT]</span></td></tr>
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== Function ==
[[http://www.uniprot.org/uniprot/A0A3T2ER33_LISMN A0A3T2ER33_LISMN]] Cleaves peptides in various proteins in a process that requires ATP hydrolysis. Has a chymotrypsin-like activity. Plays a major role in the degradation of misfolded proteins.[HAMAP-Rule:MF_00444] [[http://www.uniprot.org/uniprot/A0A0B8R1W1_LISMN A0A0B8R1W1_LISMN]] Cleaves peptides in various proteins in a process that requires ATP hydrolysis. Has a chymotrypsin-like activity. Plays a major role in the degradation of misfolded proteins.[HAMAP-Rule:MF_00444][RuleBase:RU000550][SAAS:SAAS00674840] 
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== Publication Abstract from PubMed ==
The ClpXP machinery is a two-component protease complex that performs targeted protein degradation in bacteria and mitochondria. The complex consists of the AAA+ chaperone ClpX and the peptidase ClpP. The hexameric ClpX utilizes the energy of ATP binding and hydrolysis to engage, unfold and translocate substrates into the catalytic chamber of tetradecameric ClpP, where they are degraded. Formation of the complex involves a symmetry mismatch, because hexameric AAA+ rings bind axially to the opposing stacked heptameric rings of the tetradecameric ClpP. Here we present the cryo-EM structure of ClpXP from Listeria monocytogenes. We unravel the heptamer-hexamer binding interface and provide novel insight into the ClpX-ClpP cross-talk and activation mechanism. Comparison with available crystal structures of ClpP and ClpX in different states allows us to understand important aspects of the complex mode of action of ClpXP and provides a structural framework for future pharmacological applications.

Cryo-EM structure of the ClpXP protein degradation machinery.,Gatsogiannis C, Balogh D, Merino F, Sieber SA, Raunser S Nat Struct Mol Biol. 2019 Oct;26(10):946-954. doi: 10.1038/s41594-019-0304-0., Epub 2019 Oct 3. PMID:31582852<ref>PMID:31582852</ref>

From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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== References ==
<references/>
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</SX>
[[Category: Bacterium monocytogenes hominis nyfeldt 1932]]
[[Category: Endopeptidase Clp]]
[[Category: Large Structures]]
[[Category: Gatsogiannis, C]]
[[Category: Merino, F]]
[[Category: Raunser, S]]
[[Category: Aaa+]]
[[Category: Atpase]]
[[Category: Chaperone]]
[[Category: Listeria]]
[[Category: Motor protein]]
[[Category: Protease]]
[[Category: Transport protein]]