3ayg: Difference between revisions
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The | ==Crystal structure of nitric oxide reductase complex with HQNO== | ||
<StructureSection load='3ayg' size='340' side='right'caption='[[3ayg]], [[Resolution|resolution]] 2.70Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[3ayg]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Geobacillus_stearothermophilus Geobacillus stearothermophilus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3AYG OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3AYG 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]] 2.7Å</td></tr> | |||
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BOG:B-OCTYLGLUCOSIDE'>BOG</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=HQO:2-HEPTYL-4-HYDROXY+QUINOLINE+N-OXIDE'>HQO</scene>, <scene name='pdbligand=LOP:(1R)-2-{[(R)-(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(DODECANOYLOXY)METHYL]ETHYL+(9Z)-OCTADEC-9-ENOATE'>LOP</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</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=3ayg FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ayg OCA], [https://pdbe.org/3ayg PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3ayg RCSB], [https://www.ebi.ac.uk/pdbsum/3ayg PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3ayg ProSAT]</span></td></tr> | |||
</table> | |||
== Function == | |||
[https://www.uniprot.org/uniprot/B3Y963_GEOSE B3Y963_GEOSE] | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
The structure of quinol-dependent nitric oxide reductase (qNOR) from G. stearothermophilus, which catalyzes the reduction of NO to produce the major ozone-depleting gas N(2)O, has been characterized at 2.5 A resolution. The overall fold of qNOR is similar to that of cytochrome c-dependent NOR (cNOR), and some structural features that are characteristic of cNOR, such as the calcium binding site and hydrophilic cytochrome c domain, are observed in qNOR, even though it harbors no heme c. In contrast to cNOR, structure-based mutagenesis and molecular dynamics simulation studies of qNOR suggest that a water channel from the cytoplasm can serve as a proton transfer pathway for the catalytic reaction. Further structural comparison of qNOR with cNOR and aerobic and microaerobic respiratory oxidases elucidates their evolutionary relationship and possible functional conversions. | |||
Crystal structure of quinol-dependent nitric oxide reductase from Geobacillus stearothermophilus.,Matsumoto Y, Tosha T, Pisliakov AV, Hino T, Sugimoto H, Nagano S, Sugita Y, Shiro Y Nat Struct Mol Biol. 2012 Jan 22;19(2):238-45. doi: 10.1038/nsmb.2213. PMID:22266822<ref>PMID:22266822</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
<div class="pdbe-citations 3ayg" style="background-color:#fffaf0;"></div> | |||
== References == | |||
<references/> | |||
__TOC__ | |||
</StructureSection> | |||
[[Category: Geobacillus stearothermophilus]] | |||
[[Category: Large Structures]] | |||
[[Category: Hino T]] | |||
[[Category: Matsumoto Y]] | |||
[[Category: Nagano S]] | |||
[[Category: Pisliakov AV]] | |||
[[Category: Shiro Y]] | |||
[[Category: Sugimoti H]] | |||
[[Category: Sugita Y]] | |||
[[Category: Tosha T]] | |||
Latest revision as of 08:54, 13 August 2026
Crystal structure of nitric oxide reductase complex with HQNO
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