3m9s

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<table><tr><td colspan='2'>[[3m9s]] is a 20 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermus_thermophilus_HB8 Thermus thermophilus HB8]. The December 2011 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Complex I'' by David Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2011_12 10.2210/rcsb_pdb/mom_2011_12]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3M9S OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3M9S FirstGlance]. <br>
<table><tr><td colspan='2'>[[3m9s]] is a 20 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermus_thermophilus_HB8 Thermus thermophilus HB8]. The December 2011 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Complex I'' by David Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2011_12 10.2210/rcsb_pdb/mom_2011_12]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3M9S OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3M9S FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 4.5&#8491;</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]] 4.5&#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=FES:FE2/S2+(INORGANIC)+CLUSTER'>FES</scene>, <scene name='pdbligand=FMN:FLAVIN+MONONUCLEOTIDE'>FMN</scene>, <scene name='pdbligand=SF4:IRON/SULFUR+CLUSTER'>SF4</scene></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=FES:FE2/S2+(INORGANIC)+CLUSTER'>FES</scene>, <scene name='pdbligand=FMN:FLAVIN+MONONUCLEOTIDE'>FMN</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=3m9s FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3m9s OCA], [https://pdbe.org/3m9s PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3m9s RCSB], [https://www.ebi.ac.uk/pdbsum/3m9s PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3m9s ProSAT]</span></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=3m9s FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3m9s OCA], [https://pdbe.org/3m9s PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3m9s RCSB], [https://www.ebi.ac.uk/pdbsum/3m9s PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3m9s ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[https://www.uniprot.org/uniprot/NQO9_THET8 NQO9_THET8] NDH-1 shuttles electrons from NADH, via FMN and iron-sulfur (Fe-S) centers, to quinones in the respiratory chain. The immediate electron acceptor for the enzyme in this species is menaquinone. Couples the redox reaction to proton translocation (for every two electrons transferred, four hydrogen ions are translocated across the cytoplasmic membrane), and thus conserves the redox energy in a proton gradient required for the synthesis of ATP. The role of the nqo9 subunit appears to provide a 'connecting chain' of two clusters between cluster N5 and the terminal cluster N2, and to stabilize the structure of the complex by interacting with other subunits.[HAMAP-Rule:MF_01351]
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[https://www.uniprot.org/uniprot/NQO1_THET8 NQO1_THET8] NDH-1 shuttles electrons from NADH, via FMN and iron-sulfur (Fe-S) centers, to quinones in the respiratory chain. The immediate electron acceptor for the enzyme in this species is menaquinone. Couples the redox reaction to proton translocation (for every two electrons transferred, four hydrogen ions are translocated across the cytoplasmic membrane), and thus conserves the redox energy in a proton gradient required for the synthesis of ATP. The nqo1 subunit contains the NADH-binding site and the primary electron acceptor FMN.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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<jmolCheckbox>
<jmolCheckbox>
<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/m9/3m9s_consurf.spt"</scriptWhenChecked>
<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/m9/3m9s_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<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>

Current revision

Crystal structure of respiratory complex I from Thermus thermophilus

PDB ID 3m9s

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