7zmh
From Proteopedia
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| - | '''Unreleased structure''' | ||
| - | + | ==CryoEM structure of mitochondrial complex I from Chaetomium thermophilum (state 1) - membrane arm== | |
| + | <StructureSection load='7zmh' size='340' side='right'caption='[[7zmh]], [[Resolution|resolution]] 2.47Å' scene=''> | ||
| + | == Structural highlights == | ||
| + | <table><tr><td colspan='2'>[[7zmh]] is a 10 chain structure with sequence from [https://en.wikipedia.org/wiki/Chaetomium_thermophilum_var._thermophilum_DSM_1495 Chaetomium thermophilum var. thermophilum DSM 1495]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7ZMH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7ZMH FirstGlance]. <br> | ||
| + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 2.47Å</td></tr> | ||
| + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=3PE:1,2-DIACYL-SN-GLYCERO-3-PHOSPHOETHANOLAMINE'>3PE</scene>, <scene name='pdbligand=CDL:CARDIOLIPIN'>CDL</scene>, <scene name='pdbligand=LMN:LAURYL+MALTOSE+NEOPENTYL+GLYCOL'>LMN</scene>, <scene name='pdbligand=PC1:1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE'>PC1</scene>, <scene name='pdbligand=ZMP:S-[2-({N-[(2S)-2-HYDROXY-3,3-DIMETHYL-4-(PHOSPHONOOXY)BUTANOYL]-BETA-ALANYL}AMINO)ETHYL]+TETRADECANETHIOATE'>ZMP</scene></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=7zmh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7zmh OCA], [https://pdbe.org/7zmh PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7zmh RCSB], [https://www.ebi.ac.uk/pdbsum/7zmh PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7zmh ProSAT]</span></td></tr> | ||
| + | </table> | ||
| + | <div style="background-color:#fffaf0;"> | ||
| + | == Publication Abstract from PubMed == | ||
| + | Mitochondrial complex I is a redox-driven proton pump that generates proton-motive force across the inner mitochondrial membrane, powering oxidative phosphorylation and ATP synthesis in eukaryotes. We report the structure of complex I from the thermophilic fungus Chaetomium thermophilum, determined by cryoEM up to 2.4-A resolution. We show that the complex undergoes a transition between two conformations, which we refer to as state 1 and state 2. The conformational switch is manifest in a twisting movement of the peripheral arm relative to the membrane arm, but most notably in substantial rearrangements of the Q-binding cavity and the E-channel, resulting in a continuous aqueous passage from the E-channel to subunit ND5 at the far end of the membrane arm. The conformational changes in the complex interior resemble those reported for mammalian complex I, suggesting a highly conserved, universal mechanism of coupling electron transport to proton pumping. | ||
| - | + | Conformational changes in mitochondrial complex I of the thermophilic eukaryote Chaetomium thermophilum.,Laube E, Meier-Credo J, Langer JD, Kuhlbrandt W Sci Adv. 2022 Nov 25;8(47):eadc9952. doi: 10.1126/sciadv.adc9952. Epub 2022 Nov , 25. PMID:36427319<ref>PMID:36427319</ref> | |
| - | + | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |
| - | [[Category: | + | </div> |
| + | <div class="pdbe-citations 7zmh" style="background-color:#fffaf0;"></div> | ||
| + | == References == | ||
| + | <references/> | ||
| + | __TOC__ | ||
| + | </StructureSection> | ||
| + | [[Category: Chaetomium thermophilum var. thermophilum DSM 1495]] | ||
| + | [[Category: Large Structures]] | ||
| + | [[Category: Kuehlbrandt W]] | ||
| + | [[Category: Laube E]] | ||
Current revision
CryoEM structure of mitochondrial complex I from Chaetomium thermophilum (state 1) - membrane arm
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