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[[Image:1sjm.gif|left|200px]]
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{{STRUCTURE_1sjm|  PDB=1sjm  |  SCENE=  }}
'''Nitrite bound copper containing nitrite reductase'''


==Nitrite bound copper containing nitrite reductase==
<StructureSection load='1sjm' size='340' side='right'caption='[[1sjm]], [[Resolution|resolution]] 1.40&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[1sjm]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Alcaligenes_faecalis Alcaligenes faecalis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SJM OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1SJM 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]] 1.4&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=CU:COPPER+(II)+ION'>CU</scene>, <scene name='pdbligand=NO2:NITRITE+ION'>NO2</scene>, <scene name='pdbligand=TRS:2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>TRS</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=1sjm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1sjm OCA], [https://pdbe.org/1sjm PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1sjm RCSB], [https://www.ebi.ac.uk/pdbsum/1sjm PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1sjm ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/NIR_ALCFA NIR_ALCFA]
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/sj/1sjm_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </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/main_output.php?pdb_ID=1sjm ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
A copper-nitrosyl intermediate forms during the catalytic cycle of nitrite reductase, the enzyme that mediates the committed step in bacterial denitrification. The crystal structure of a type 2 copper-nitrosyl complex of nitrite reductase reveals an unprecedented side-on binding mode in which the nitrogen and oxygen atoms are nearly equidistant from the copper cofactor. Comparison of this structure with a refined nitrite-bound crystal structure explains how coordination can change between copper-oxygen and copper-nitrogen during catalysis. The side-on copper-nitrosyl in nitrite reductase expands the possibilities for nitric oxide interactions in copper proteins such as superoxide dismutase and prions.


==Overview==
Side-on copper-nitrosyl coordination by nitrite reductase.,Tocheva EI, Rosell FI, Mauk AG, Murphy ME Science. 2004 May 7;304(5672):867-70. PMID:15131305<ref>PMID:15131305</ref>
A copper-nitrosyl intermediate forms during the catalytic cycle of nitrite reductase, the enzyme that mediates the committed step in bacterial denitrification. The crystal structure of a type 2 copper-nitrosyl complex of nitrite reductase reveals an unprecedented side-on binding mode in which the nitrogen and oxygen atoms are nearly equidistant from the copper cofactor. Comparison of this structure with a refined nitrite-bound crystal structure explains how coordination can change between copper-oxygen and copper-nitrogen during catalysis. The side-on copper-nitrosyl in nitrite reductase expands the possibilities for nitric oxide interactions in copper proteins such as superoxide dismutase and prions.


==About this Structure==
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
1SJM is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Alcaligenes_faecalis Alcaligenes faecalis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SJM OCA].
</div>
<div class="pdbe-citations 1sjm" style="background-color:#fffaf0;"></div>


==Reference==
==See Also==
Side-on copper-nitrosyl coordination by nitrite reductase., Tocheva EI, Rosell FI, Mauk AG, Murphy ME, Science. 2004 May 7;304(5672):867-70. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15131305 15131305]
*[[Nitrite reductase 3D structures|Nitrite reductase 3D structures]]
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Alcaligenes faecalis]]
[[Category: Alcaligenes faecalis]]
[[Category: Single protein]]
[[Category: Large Structures]]
[[Category: Mauk, A G.]]
[[Category: Mauk AG]]
[[Category: Murphy, M E.P.]]
[[Category: Murphy MEP]]
[[Category: Rosell, F I.]]
[[Category: Rosell FI]]
[[Category: Tocheva, E I.]]
[[Category: Tocheva EI]]
[[Category: Copper]]
[[Category: Nitrite]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May  3 08:47:10 2008''

Latest revision as of 06:18, 23 August 2023

Nitrite bound copper containing nitrite reductase

1sjm, resolution 1.40Å

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