1fs8: Difference between revisions

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[[Image:1fs8.jpg|left|200px]]


{{Structure
==CYTOCHROME C NITRITE REDUCTASE FROM WOLINELLA SUCCINOGENES-SULFATE COMPLEX==
|PDB= 1fs8 |SIZE=350|CAPTION= <scene name='initialview01'>1fs8</scene>, resolution 1.60&Aring;
<StructureSection load='1fs8' size='340' side='right'caption='[[1fs8]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
|SITE=  
== Structural highlights ==
|LIGAND= <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=Y1:YTTRIUM+ION'>Y1</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene> and <scene name='pdbligand=HEM:PROTOPORPHYRIN IX CONTAINING FE'>HEM</scene>
<table><tr><td colspan='2'>[[1fs8]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Wolinella_succinogenes Wolinella succinogenes]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FS8 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1FS8 FirstGlance]. <br>
|ACTIVITY=  
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.6&#8491;</td></tr>
|GENE=  
<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=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=HEC:HEME+C'>HEC</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=Y1:YTTRIUM+ION'>Y1</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=1fs8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1fs8 OCA], [https://pdbe.org/1fs8 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1fs8 RCSB], [https://www.ebi.ac.uk/pdbsum/1fs8 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1fs8 ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/NRFA_WOLSU NRFA_WOLSU] Plays a role in nitrite reduction.<ref>PMID:10672190</ref>  
== 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/fs/1fs8_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=1fs8 ConSurf].
<div style="clear:both"></div>


'''CYTOCHROME C NITRITE REDUCTASE FROM WOLINELLA SUCCINOGENES-SULFATE COMPLEX'''
==See Also==
 
*[[Cytochrome C 3D structures|Cytochrome C 3D structures]]
 
*[[Cytochrome c nitrite reductase|Cytochrome c nitrite reductase]]
==Overview==
== References ==
Cytochrome c nitrite reductase catalyzes the 6-electron reduction of nitrite to ammonia. This second part of the respiratory pathway of nitrate ammonification is a key step in the biological nitrogen cycle. The x-ray structure of the enzyme from the epsilon-proteobacterium Wolinella succinogenes has been solved to a resolution of 1.6 A. It is a pentaheme c-type cytochrome whose heme groups are packed in characteristic motifs that also occur in other multiheme cytochromes. Structures of W. succinogenes nitrite reductase have been obtained with water bound to the active site heme iron as well as complexes with two inhibitors, sulfate and azide, whose binding modes and inhibitory functions differ significantly. Cytochrome c nitrite reductase is part of a highly optimized respiratory system found in a wide range of Gram-negative bacteria. It reduces both anionic and neutral substrates at the distal side of a lysine-coordinated high-spin heme group, which is accessible through two different channels, allowing for a guided flow of reaction educt and product. Based on sequence comparison and secondary structure prediction, we have demonstrated that cytochrome c nitrite reductases constitute a protein family of high structural similarity.
<references/>
 
__TOC__
==About this Structure==
</StructureSection>
1FS8 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Wolinella_succinogenes Wolinella succinogenes]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FS8 OCA].
[[Category: Large Structures]]
 
==Reference==
Cytochrome c nitrite reductase from Wolinella succinogenes. Structure at 1.6 A resolution, inhibitor binding, and heme-packing motifs., Einsle O, Stach P, Messerschmidt A, Simon J, Kroger A, Huber R, Kroneck PM, J Biol Chem. 2000 Dec 15;275(50):39608-16. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/10984487 10984487]
[[Category: Single protein]]
[[Category: Wolinella succinogenes]]
[[Category: Wolinella succinogenes]]
[[Category: Einsle, O.]]
[[Category: Einsle O]]
[[Category: Huber, R.]]
[[Category: Huber R]]
[[Category: Kroeger, A.]]
[[Category: Kroeger A]]
[[Category: Kroneck, P M.H.]]
[[Category: Kroneck PMH]]
[[Category: Messerschmidt, A.]]
[[Category: Messerschmidt A]]
[[Category: Simon, J.]]
[[Category: Simon J]]
[[Category: Stach, P.]]
[[Category: Stach P]]
[[Category: ACT]]
[[Category: CA]]
[[Category: HEM]]
[[Category: SO4]]
[[Category: Y1]]
[[Category: c-type cytochrome]]
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 11:13:19 2008''

Latest revision as of 14:15, 27 March 2024

CYTOCHROME C NITRITE REDUCTASE FROM WOLINELLA SUCCINOGENES-SULFATE COMPLEXCYTOCHROME C NITRITE REDUCTASE FROM WOLINELLA SUCCINOGENES-SULFATE COMPLEX

Structural highlights

1fs8 is a 1 chain structure with sequence from Wolinella succinogenes. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.6Å
Ligands:, , , ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

NRFA_WOLSU Plays a role in nitrite reduction.[1]

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. ↑ Simon J, Gross R, Einsle O, Kroneck PM, Kroger A, Klimmek O. A NapC/NirT-type cytochrome c (NrfH) is the mediator between the quinone pool and the cytochrome c nitrite reductase of Wolinella succinogenes. Mol Microbiol. 2000 Feb;35(3):686-96. PMID:10672190

1fs8, resolution 1.60Å

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