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==Complex II (Succinate Dehydrogenase) From E. Coli with ubiquinone bound==
==Complex II (Succinate Dehydrogenase) From E. Coli with ubiquinone bound==
<StructureSection load='1nek' size='340' side='right' caption='[[1nek]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
<StructureSection load='1nek' size='340' side='right'caption='[[1nek]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1nek]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1NEK OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1NEK FirstGlance]. <br>
<table><tr><td colspan='2'>[[1nek]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. The October 2012 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Citric Acid Cycle''  by David Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2012_10 10.2210/rcsb_pdb/mom_2012_10]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1NEK OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1NEK FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=CDN:CARDIOLIPIN'>CDN</scene>, <scene name='pdbligand=EPH:L-ALPHA-PHOSPHATIDYL-BETA-OLEOYL-GAMMA-PALMITOYL-PHOSPHATIDYLETHANOLAMINE'>EPH</scene>, <scene name='pdbligand=F3S:FE3-S4+CLUSTER'>F3S</scene>, <scene name='pdbligand=FAD:FLAVIN-ADENINE+DINUCLEOTIDE'>FAD</scene>, <scene name='pdbligand=FES:FE2/S2+(INORGANIC)+CLUSTER'>FES</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=OAA:OXALOACETATE+ION'>OAA</scene>, <scene name='pdbligand=SF4:IRON/SULFUR+CLUSTER'>SF4</scene>, <scene name='pdbligand=UQ2:UBIQUINONE-2'>UQ2</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.6&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1nen|1nen]]</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=CDN:CARDIOLIPIN'>CDN</scene>, <scene name='pdbligand=EPH:L-ALPHA-PHOSPHATIDYL-BETA-OLEOYL-GAMMA-PALMITOYL-PHOSPHATIDYLETHANOLAMINE'>EPH</scene>, <scene name='pdbligand=FAD:FLAVIN-ADENINE+DINUCLEOTIDE'>FAD</scene>, <scene name='pdbligand=FES:FE2/S2+(INORGANIC)+CLUSTER'>FES</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=OAA:OXALOACETATE+ION'>OAA</scene>, <scene name='pdbligand=UQ2:UBIQUINONE-2'>UQ2</scene></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">SDHA OR B0723 OR Z0877 OR ECS0748 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli]), SDHB OR B0724 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli]), SDHC OR CYBA OR B0721 OR Z0875 OR ECS0746 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli]), SDHD OR B0722 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli])</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=1nek FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1nek OCA], [https://pdbe.org/1nek PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1nek RCSB], [https://www.ebi.ac.uk/pdbsum/1nek PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1nek ProSAT]</span></td></tr>
<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=1nek FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1nek OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1nek RCSB], [http://www.ebi.ac.uk/pdbsum/1nek PDBsum]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/DHSD_ECOLI DHSD_ECOLI]] Membrane-anchoring subunit of succinate dehydrogenase (SDH). [[http://www.uniprot.org/uniprot/DHSA_ECOLI DHSA_ECOLI]] Two distinct, membrane-bound, FAD-containing enzymes are responsible for the catalysis of fumarate and succinate interconversion; the fumarate reductase is used in anaerobic growth, and the succinate dehydrogenase is used in aerobic growth. [[http://www.uniprot.org/uniprot/DHSC_ECOLI DHSC_ECOLI]] Membrane-anchoring subunit of succinate dehydrogenase (SDH). [[http://www.uniprot.org/uniprot/DHSB_ECOLI DHSB_ECOLI]] Two distinct, membrane-bound, FAD-containing enzymes are responsible for the catalysis of fumarate and succinate interconversion; the fumarate reductase is used in anaerobic growth, and the succinate dehydrogenase is used in aerobic growth.
[https://www.uniprot.org/uniprot/SDHA_ECOLI SDHA_ECOLI] Two distinct, membrane-bound, FAD-containing enzymes are responsible for the catalysis of fumarate and succinate interconversion; the fumarate reductase is used in anaerobic growth, and the succinate dehydrogenase is used in aerobic growth.<ref>PMID:24374335</ref> <ref>PMID:12560550</ref> <ref>PMID:16407191</ref> <ref>PMID:19710024</ref>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
   <jmolCheckbox>
   <jmolCheckbox>
     <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ne/1nek_consurf.spt"</scriptWhenChecked>
     <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ne/1nek_consurf.spt"</scriptWhenChecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
     <text>to colour the structure by Evolutionary Conservation</text>
     <text>to colour the structure by Evolutionary Conservation</text>
   </jmolCheckbox>
   </jmolCheckbox>
</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].
</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/main_output.php?pdb_ID=1nek ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
</div>
<div class="pdbe-citations 1nek" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[Succinate Dehydrogenase|Succinate Dehydrogenase]]
*[[Succinate Dehydrogenase|Succinate Dehydrogenase]]
*[[Succinate dehydrogenase 3D structures|Succinate dehydrogenase 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Citric Acid Cycle]]
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
[[Category: Byrne, B]]
[[Category: Large Structures]]
[[Category: Cecchini, G]]
[[Category: RCSB PDB Molecule of the Month]]
[[Category: Horsefield, R]]
[[Category: Byrne B]]
[[Category: Iwata, S]]
[[Category: Cecchini G]]
[[Category: Leger, C]]
[[Category: Horsefield R]]
[[Category: Luna-Chavez, C]]
[[Category: Iwata S]]
[[Category: Miyoshi, H]]
[[Category: Leger C]]
[[Category: Tornroth, S]]
[[Category: Luna-Chavez C]]
[[Category: Yankovskaya, V]]
[[Category: Miyoshi H]]
[[Category: Membrane protein]]
[[Category: Tornroth S]]
[[Category: Oxidoreductase-electron transport complex]]
[[Category: Yankovskaya V]]
[[Category: Oxygen respiratory chain]]

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