7ut6

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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[7ut6]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Azotobacter_vinelandii_DJ Azotobacter vinelandii DJ]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7UT6 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7UT6 FirstGlance]. <br>
<table><tr><td colspan='2'>[[7ut6]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Azotobacter_vinelandii_DJ Azotobacter vinelandii DJ]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7UT6 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7UT6 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CLF:FE(8)-S(7)+CLUSTER'>CLF</scene>, <scene name='pdbligand=FE:FE+(III)+ION'>FE</scene>, <scene name='pdbligand=HCA:3-HYDROXY-3-CARBOXY-ADIPIC+ACID'>HCA</scene>, <scene name='pdbligand=ICS:IRON-SULFUR-MOLYBDENUM+CLUSTER+WITH+INTERSTITIAL+CARBON'>ICS</scene></td></tr>
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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]] 1.91&#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=CLF:FE(8)-S(7)+CLUSTER'>CLF</scene>, <scene name='pdbligand=FE:FE+(III)+ION'>FE</scene>, <scene name='pdbligand=HCA:3-HYDROXY-3-CARBOXY-ADIPIC+ACID'>HCA</scene>, <scene name='pdbligand=ICS:IRON-SULFUR-MOLYBDENUM+CLUSTER+WITH+INTERSTITIAL+CARBON'>ICS</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=7ut6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7ut6 OCA], [https://pdbe.org/7ut6 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7ut6 RCSB], [https://www.ebi.ac.uk/pdbsum/7ut6 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7ut6 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=7ut6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7ut6 OCA], [https://pdbe.org/7ut6 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7ut6 RCSB], [https://www.ebi.ac.uk/pdbsum/7ut6 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7ut6 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/NIFD_AZOVI NIFD_AZOVI]] This molybdenum-iron protein is part of the nitrogenase complex that catalyzes the key enzymatic reactions in nitrogen fixation.
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[https://www.uniprot.org/uniprot/NIFD_AZOVI NIFD_AZOVI] This molybdenum-iron protein is part of the nitrogenase complex that catalyzes the key enzymatic reactions in nitrogen fixation.
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The enzyme nitrogenase couples adenosine triphosphate (ATP) hydrolysis to the multielectron reduction of atmospheric dinitrogen into ammonia. Despite extensive research, the mechanistic details of ATP-dependent energy transduction and dinitrogen reduction by nitrogenase are not well understood, requiring new strategies to monitor its structural dynamics during catalytic action. Here, we report cryo-electron microscopy structures of the nitrogenase complex prepared under enzymatic turnover conditions. We observe that asymmetry governs all aspects of the nitrogenase mechanism, including ATP hydrolysis, protein-protein interactions, and catalysis. Conformational changes near the catalytic iron-molybdenum cofactor are correlated with the nucleotide-hydrolysis state of the enzyme.
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Structures of the nitrogenase complex prepared under catalytic turnover conditions.,Rutledge HL, Cook BD, Nguyen HPM, Herzik MA Jr, Tezcan FA Science. 2022 Aug 19;377(6608):865-869. doi: 10.1126/science.abq7641. Epub 2022, Jul 28. PMID:35901182<ref>PMID:35901182</ref>
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==See Also==
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*[[Nitrogenase 3D structures|Nitrogenase 3D structures]]
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 7ut6" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>

Current revision

C1 symmetric cryoEM structure of Azotobacter vinelandii MoFeP under non-turnover conditions

PDB ID 7ut6

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