4ysb

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==Crystal structure of ETHE1 from Myxococcus xanthus==
==Crystal structure of ETHE1 from Myxococcus xanthus==
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<StructureSection load='4ysb' size='340' side='right' caption='[[4ysb]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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<StructureSection load='4ysb' size='340' side='right'caption='[[4ysb]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4ysb]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4YSB OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4YSB FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4ysb]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Myxococcus_xanthus_DK_1622 Myxococcus xanthus DK 1622]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4YSB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4YSB FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=FE:FE+(III)+ION'>FE</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]] 2.5015&#8491;</td></tr>
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<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=4ysb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4ysb OCA], [http://pdbe.org/4ysb PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4ysb RCSB], [http://www.ebi.ac.uk/pdbsum/4ysb PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4ysb ProSAT]</span></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=FE:FE+(III)+ION'>FE</scene></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=4ysb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4ysb OCA], [https://pdbe.org/4ysb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4ysb RCSB], [https://www.ebi.ac.uk/pdbsum/4ysb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4ysb 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/Q1D4C9_MYXXD Q1D4C9_MYXXD]
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Persulfide dioxygenases (PDOs), also known as sulfur dioxygenases (SDOs), oxidize glutathione persulfide (GSSH) to sulfite and GSH. PDOs belong to the metallo-beta-lactamase superfamily and play critical roles in animals, plants and microorganisms, including sulfide detoxification. The structures of two PDOs from human and Arabidopsis thaliana have been reported; however, little is known about the substrate binding and catalytic mechanism. The crystal structures of two bacterial PDOs from Pseudomonas putida and Myxococcus xanthus were determined at 1.5 and 2.5 A resolution, respectively. The structures of both PDOs were homo-dimers, and their metal centers and beta-lactamase folds were superimposable with those of related enzymes, especially the glyoxalases II. The PDOs share similar Fe(II) coordination and a secondary coordination sphere-based hydrogen bond network that is absent in glyoxalases II, in which the corresponding residues are involved instead in coordinating a second metal ion. The crystal structure of the complex between the Pseudomonas PDO and GSH also reveals the similarity of substrate binding between it and glyoxalases II. Further analysis implicates an identical mode of substrate binding by known PDOs. Thus, the data not only reveal the differences in metal binding and coordination between the dioxygenases and the hydrolytic enzymes in the metallo-beta-lactamase superfamily, but also provide detailed information on substrate binding by PDOs.
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Characterizations of Two Bacterial Persulfide Dioxygenases of the Metallo-beta-lactamase Superfamily.,Sattler SA, Wang X, Lewis KM, DeHan PJ, Park CM, Xin Y, Liu H, Xian M, Xun L, Kang C J Biol Chem. 2015 Jun 16. pii: jbc.M115.652537. PMID:26082492<ref>PMID:26082492</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 4ysb" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
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*[[Beta-lactamase|Beta-lactamase]]
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*[[Beta-lactamase 3D structures|Beta-lactamase 3D structures]]
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: DeHan, P J]]
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[[Category: Large Structures]]
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[[Category: Kang, C]]
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[[Category: Myxococcus xanthus DK 1622]]
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[[Category: Sattler, S A]]
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[[Category: DeHan PJ]]
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[[Category: Wang, X]]
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[[Category: Kang C]]
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[[Category: Xun, L]]
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[[Category: Sattler SA]]
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[[Category: Ethe1]]
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[[Category: Wang X]]
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[[Category: Glutathione]]
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[[Category: Xun L]]
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[[Category: Hydrolase]]
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[[Category: Sulfur dioxygenase]]
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Current revision

Crystal structure of ETHE1 from Myxococcus xanthus

PDB ID 4ysb

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