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<StructureSection load='7b7q' size='340' side='right'caption='[[7b7q]], [[Resolution|resolution]] 1.35&Aring;' scene=''>
<StructureSection load='7b7q' size='340' side='right'caption='[[7b7q]], [[Resolution|resolution]] 1.35&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[7b7q]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7B7Q OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7B7Q FirstGlance]. <br>
<table><tr><td colspan='2'>Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7B7Q OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7B7Q FirstGlance]. <br>
</td></tr><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=PEG:DI(HYDROXYETHYL)ETHER'>PEG</scene>, <scene name='pdbligand=SF4:IRON/SULFUR+CLUSTER'>SF4</scene>, <scene name='pdbligand=T2N:3,5-dioxa-7-thia-1-thionia-2$l^{2},4$l^{2},6$l^{3},8$l^{2}-tetraferrabicyclo[4.2.0]octane'>T2N</scene>, <scene name='pdbligand=TAM:TRIS(HYDROXYETHYL)AMINOMETHANE'>TAM</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]] 1.35&#8491;</td></tr>
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=CSS:S-MERCAPTOCYSTEINE'>CSS</scene></td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CSS:S-MERCAPTOCYSTEINE'>CSS</scene>, <scene name='pdbligand=FES:FE2/S2+(INORGANIC)+CLUSTER'>FES</scene>, <scene name='pdbligand=PEG:DI(HYDROXYETHYL)ETHER'>PEG</scene>, <scene name='pdbligand=SF4:IRON/SULFUR+CLUSTER'>SF4</scene>, <scene name='pdbligand=T2N:3,5-dioxa-7-thia-1-thionia-2$l^{2},4$l^{2},6$l^{3},8$l^{2}-tetraferrabicyclo[4.2.0]octane'>T2N</scene>, <scene name='pdbligand=TAM:TRIS(HYDROXYETHYL)AMINOMETHANE'>TAM</scene></td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Anaerobic_carbon-monoxide_dehydrogenase Anaerobic carbon-monoxide dehydrogenase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.2.7.4 1.2.7.4] </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=7b7q FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7b7q OCA], [https://pdbe.org/7b7q PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7b7q RCSB], [https://www.ebi.ac.uk/pdbsum/7b7q PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7b7q 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=7b7q FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7b7q OCA], [https://pdbe.org/7b7q PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7b7q RCSB], [https://www.ebi.ac.uk/pdbsum/7b7q PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7b7q ProSAT]</span></td></tr>
</table>
</table>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Ni,Fe-containing carbon monoxide dehydrogenases (CODHs) catalyze the reversible reduction of CO2 to CO. Several anaerobic microorganisms encode multiple CODHs in their genome, of which some, despite being annotated as CODHs, lack a cysteine of the canonical binding motif for the active site Ni,Fe-cluster. Here, we report on the structure and reactivity of such a deviant enzyme, termed CooS-VCh . Its structure reveals the typical CODH scaffold, but contains an iron-sulfur-oxo hybrid-cluster. Although closely related to true CODHs, CooS-VCh catalyzes neither CO oxidation, nor CO2 reduction. The active site of CooS-VCh undergoes a redox-dependent restructuring between a reduced [4Fe-3S]-cluster and an oxidized [4Fe-2S-S*-2O-2(H2 O)]-cluster. Hydroxylamine, a slow-turnover substrate of CooS-VCh , oxidizes the hybrid-cluster in two structurally distinct steps. Overall, minor changes in CODHs are sufficient to accommodate a Fe/S/O-cluster in place of the Ni,Fe-heterocubane-cluster of CODHs.


A Morphing [4Fe-3S-nO]-Cluster within a Carbon Monoxide Dehydrogenase Scaffold.,Jeoung JH, Fesseler J, Domnik L, Klemke F, Sinnreich M, Teutloff C, Dobbek H Angew Chem Int Ed Engl. 2022 Apr 25;61(18):e202117000. doi:, 10.1002/anie.202117000. Epub 2022 Mar 4. PMID:35133707<ref>PMID:35133707</ref>
==See Also==
 
*[[Carbon monoxide dehydrogenase 3D structures|Carbon monoxide dehydrogenase 3D structures]]
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 7b7q" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Anaerobic carbon-monoxide dehydrogenase]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Dobbek, H]]
[[Category: Dobbek H]]
[[Category: Jeoung, J H]]
[[Category: Jeoung JH]]
[[Category: Codh]]
[[Category: Hcp]]
[[Category: Hybrid cluster]]
[[Category: Oxidoreductase]]
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