3zea

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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[3zea]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Desulfovibrio_vulgaris Desulfovibrio vulgaris]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3ZEA OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3ZEA FirstGlance]. <br>
<table><tr><td colspan='2'>[[3zea]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Desulfovibrio_vulgaris Desulfovibrio vulgaris]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3ZEA OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3ZEA 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=FCO:CARBONMONOXIDE-(DICYANO)+IRON'>FCO</scene>, <scene name='pdbligand=FE2:FE+(II)+ION'>FE2</scene>, <scene name='pdbligand=H2S:HYDROSULFURIC+ACID'>H2S</scene>, <scene name='pdbligand=NI:NICKEL+(II)+ION'>NI</scene>, <scene name='pdbligand=SF4:IRON/SULFUR+CLUSTER'>SF4</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">X-ray diffraction, [[Resolution|Resolution]] 1.82&#8491;</td></tr>
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<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=OCS:CYSTEINESULFONIC+ACID'>OCS</scene>, <scene name='pdbligand=PSW:3-(SULFANYLSELANYL)-L-ALANINE'>PSW</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=FCO:CARBONMONOXIDE-(DICYANO)+IRON'>FCO</scene>, <scene name='pdbligand=FE2:FE+(II)+ION'>FE2</scene>, <scene name='pdbligand=H2S:HYDROSULFURIC+ACID'>H2S</scene>, <scene name='pdbligand=NI:NICKEL+(II)+ION'>NI</scene>, <scene name='pdbligand=OCS:CYSTEINESULFONIC+ACID'>OCS</scene>, <scene name='pdbligand=PSW:3-(SULFANYLSELANYL)-L-ALANINE'>PSW</scene>, <scene name='pdbligand=SF4:IRON/SULFUR+CLUSTER'>SF4</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[3ze6|3ze6]], [[3ze7|3ze7]], [[3ze8|3ze8]], [[3ze9|3ze9]]</div></td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Ferredoxin_hydrogenase Ferredoxin hydrogenase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.12.7.2 1.12.7.2] </span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3zea FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3zea OCA], [https://pdbe.org/3zea PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3zea RCSB], [https://www.ebi.ac.uk/pdbsum/3zea PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3zea 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=3zea FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3zea OCA], [https://pdbe.org/3zea PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3zea RCSB], [https://www.ebi.ac.uk/pdbsum/3zea PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3zea ProSAT]</span></td></tr>
</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[https://www.uniprot.org/uniprot/Q72AS4_DESVH Q72AS4_DESVH]
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Hydrogen is a good energy vector, and its production from renewable sources is a requirement for its widespread use. [NiFeSe] hydrogenases (Hases) are attractive candidates for the biological production of hydrogen because they are capable of high production rates even in the presence of moderate amounts of O(2), lessening the requirements for anaerobic conditions. The three-dimensional structure of the [NiFeSe] Hase from Desulfovibrio vulgaris Hildenborough has been determined in its oxidised "as-isolated" form at 2.04-A resolution. Remarkably, this is the first structure of an oxidised Hase of the [NiFe] family that does not contain an oxide bridging ligand at the active site. Instead, an extra sulfur atom is observed binding Ni and Se, leading to a SeCys conformation that shields the NiFe site from contact with oxygen. This structure provides several insights that may explain the fast activation and O(2) tolerance of these enzymes.
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The three-dimensional structure of [NiFeSe] hydrogenase from Desulfovibrio vulgaris Hildenborough: a hydrogenase without a bridging ligand in the active site in its oxidised, "as-isolated" state.,Marques MC, Coelho R, De Lacey AL, Pereira IA, Matias PM J Mol Biol. 2010 Mar 5;396(4):893-907. Epub 2009 Dec 21. PMID:20026074<ref>PMID:20026074</ref>
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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 3zea" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Desulfovibrio vulgaris]]
[[Category: Desulfovibrio vulgaris]]
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[[Category: Ferredoxin hydrogenase]]
 
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Coelho, R]]
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[[Category: Coelho R]]
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[[Category: Marques, M C]]
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[[Category: Marques MC]]
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[[Category: Matias, P M]]
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[[Category: Matias PM]]
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[[Category: Pereira, I A.C]]
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[[Category: Pereira IAC]]
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[[Category: Hydrogenase biohydrogen oxygen tolerance]]
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[[Category: Oxidoreductase]]
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Current revision

3D structure of the NiFeSe hydrogenase from D. vulgaris Hildenborough in the reduced state at 1.82 Angstroms

PDB ID 3zea

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OCA

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