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==X-ray structure of nitric oxide reductase (cytochrome P450nor) in the ferrous CO state at atomic resolution==
==X-ray structure of nitric oxide reductase (cytochrome P450nor) in the ferrous CO state at atomic resolution==
<StructureSection load='1jfc' size='340' side='right' caption='[[1jfc]], [[Resolution|resolution]] 1.05&Aring;' scene=''>
<StructureSection load='1jfc' size='340' side='right'caption='[[1jfc]], [[Resolution|resolution]] 1.05&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1jfc]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Fusarium_oxysporum Fusarium oxysporum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1JFC OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1JFC FirstGlance]. <br>
<table><tr><td colspan='2'>[[1jfc]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Fusarium_oxysporum Fusarium oxysporum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1JFC OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1JFC FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CMO:CARBON+MONOXIDE'>CMO</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</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]] 1.05&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1jfb|1jfb]]</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CMO:CARBON+MONOXIDE'>CMO</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene></td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Nitric-oxide_reductase Nitric-oxide reductase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.7.99.7 1.7.99.7] </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=1jfc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1jfc OCA], [https://pdbe.org/1jfc PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1jfc RCSB], [https://www.ebi.ac.uk/pdbsum/1jfc PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1jfc ProSAT], [https://www.topsan.org/Proteins/RSGI/1jfc TOPSAN]</span></td></tr>
<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=1jfc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1jfc OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1jfc RCSB], [http://www.ebi.ac.uk/pdbsum/1jfc PDBsum], [http://www.topsan.org/Proteins/RSGI/1jfc TOPSAN]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/NOR_FUSOX NOR_FUSOX]] Nitric oxide reductase which is involved in a dissimilatory reduction of nitrite. Acts as a nitric oxide reductase. Is able to reduce nitrate and nitrite to a gaseous form of N(2)O when oxygen supply is limited or discontinued. May function as a detoxification mechanism.<ref>PMID:2040619</ref> <ref>PMID:12105197</ref>
[https://www.uniprot.org/uniprot/NOR_FUSOX NOR_FUSOX] Nitric oxide reductase which is involved in a dissimilatory reduction of nitrite. Acts as a nitric oxide reductase. Is able to reduce nitrate and nitrite to a gaseous form of N(2)O when oxygen supply is limited or discontinued. May function as a detoxification mechanism.<ref>PMID:2040619</ref> <ref>PMID:12105197</ref>  
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
   <jmolCheckbox>
   <jmolCheckbox>
     <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/jf/1jfc_consurf.spt"</scriptWhenChecked>
     <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/jf/1jfc_consurf.spt"</scriptWhenChecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <text>to colour the structure by Evolutionary Conservation</text>
     <text>to colour the structure by Evolutionary Conservation</text>
   </jmolCheckbox>
   </jmolCheckbox>
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/chain_selection.php?pdb_ID=2ata ConSurf].
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1jfc ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Crystal structures of the nitric oxide reductase cytochrome P450nor (P450nor) in the ferric resting and the ferrous carbonmonoxy (CO) states have been determined at 1.00 and 1.05 A resolution, respectively. P450nor consists of 403 amino-acid residues (46 kDa) and is one of the largest proteins refined to this resolution so far. The final models have conventional R factors of 10.2% (ferric resting) and 11.7% (ferrous CO), with mean coordinate errors of 0.028 (ferric resting) and 0.030 A (ferrous CO) as calculated from inversion of the full positional least-squares matrix. Owing to the atomic resolution, novel features are found in the refined structures. Firstly, two orientations of the haem are observed both in the ferric resting and the ferrous CO states. Secondly, a disordered water molecule bound to the haem iron is found in the ferric resting state. In addition, the accurate structures at atomic resolution enabled the examination of general stereochemical parameters that are commonly used in refinement cycles of protein structures.
X-ray structure of nitric oxide reductase (cytochrome P450nor) at atomic resolution.,Shimizu H, Park SY, Shiro Y, Adachi S Acta Crystallogr D Biol Crystallogr. 2002 Jan;58(Pt 1):81-9. Epub 2001 Dec, 21. PMID:11752781<ref>PMID:11752781</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>


==See Also==
==See Also==
*[[Cytochrome P450|Cytochrome P450]]
*[[Cytochrome P450 3D structures|Cytochrome P450 3D structures]]
== References ==
== References ==
<references/>
<references/>
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</StructureSection>
</StructureSection>
[[Category: Fusarium oxysporum]]
[[Category: Fusarium oxysporum]]
[[Category: Nitric-oxide reductase]]
[[Category: Large Structures]]
[[Category: Adachi, S]]
[[Category: Adachi S]]
[[Category: Park, S Y]]
[[Category: Park SY]]
[[Category: Structural genomic]]
[[Category: Shimizu H]]
[[Category: Shimizu, H]]
[[Category: Shiro Y]]
[[Category: Shiro, Y]]
[[Category: Atomic resolution]]
[[Category: Carbon monoxide]]
[[Category: Cytochrome p450nor]]
[[Category: Nitric oxide reductase]]
[[Category: Oxidoreductase]]
[[Category: Rsgi]]

Latest revision as of 16:24, 13 March 2024

X-ray structure of nitric oxide reductase (cytochrome P450nor) in the ferrous CO state at atomic resolutionX-ray structure of nitric oxide reductase (cytochrome P450nor) in the ferrous CO state at atomic resolution

Structural highlights

1jfc is a 1 chain structure with sequence from Fusarium oxysporum. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.05Å
Ligands:, ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT, TOPSAN

Function

NOR_FUSOX Nitric oxide reductase which is involved in a dissimilatory reduction of nitrite. Acts as a nitric oxide reductase. Is able to reduce nitrate and nitrite to a gaseous form of N(2)O when oxygen supply is limited or discontinued. May function as a detoxification mechanism.[1] [2]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

See Also

References

  1. ↑ Shoun H, Tanimoto T. Denitrification by the fungus Fusarium oxysporum and involvement of cytochrome P-450 in the respiratory nitrite reduction. J Biol Chem. 1991 Jun 15;266(17):11078-82. PMID:2040619
  2. ↑ Zhang L, Kudo T, Takaya N, Shoun H. The B' helix determines cytochrome P450nor specificity for the electron donors NADH and NADPH. J Biol Chem. 2002 Sep 13;277(37):33842-7. Epub 2002 Jul 8. PMID:12105197 doi:http://dx.doi.org/10.1074/jbc.M203923200

1jfc, resolution 1.05Å

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