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[[Image:1dox.jpg|left|200px]]
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{{STRUCTURE_1dox|  PDB=1dox  |  SCENE=  }}
'''1H AND 15N SEQUENTIAL ASSIGNMENT, SECONDARY STRUCTURE AND TERTIARY FOLD OF [2FE-2S] FERREDOXIN FROM SYNECHOCYSTIS SP. PCC 6803'''


==1H AND 15N SEQUENTIAL ASSIGNMENT, SECONDARY STRUCTURE AND TERTIARY FOLD OF [2FE-2S] FERREDOXIN FROM SYNECHOCYSTIS SP. PCC 6803==
<StructureSection load='1dox' size='340' side='right'caption='[[1dox]]' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[1dox]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Synechocystis_sp._PCC_6803 Synechocystis sp. PCC 6803]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DOX OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1DOX FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR,  models</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=FES:FE2/S2+(INORGANIC)+CLUSTER'>FES</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=1dox FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1dox OCA], [https://pdbe.org/1dox PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1dox RCSB], [https://www.ebi.ac.uk/pdbsum/1dox PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1dox ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/FER_SYNY3 FER_SYNY3] Ferredoxins are iron-sulfur proteins that transfer electrons in a wide variety of metabolic reactions.
== 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/do/1dox_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=1dox ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The [2Fe-2S] ferredoxin extracted from Synechocystis sp. PCC 6803 was studied by 1H and 15N nuclear magnetic resonance. Sequence-specific 1H and 15N assignment of amino acid residues far from the paramagnetic cluster (distance higher than 8 A) was performed. Interresidue NOE constraints have allowed the identification of several secondary structure elements: one beta sheet composed of four beta strands, one alpha helix, and two alpha helix turns. The analysis of interresidue NOEs suggests the existence of a disulfide bridge between the cysteine residues 18 and 85. Such a disulfide bridge has never been observed in plant-type ferredoxins. Structure modeling using the X-PLOR program was performed with or without assuming the existence of a disulfide bridge. As a result, two structure families were obtained with rms deviations of 2.2 A. Due to the lack of NOE connectivities resulting from the paramagnetic effect from the [2Fe-2S] cluster, the structures were not well resolved in the region surrounding the [2Fe-2S] cluster, at both extremities of the alpha helix and the C and N terminus segments. In contrast, when taken separately, the beta sheet and the alpha helix were well defined. This work is the first report of a structure model of a plant-type [2Fe-2S] Fd in solution.


==Overview==
1H and 15N NMR sequential assignment, secondary structure, and tertiary fold of [2Fe-2S] ferredoxin from Synechocystis sp. PCC 6803.,Lelong C, Setif P, Bottin H, Andre F, Neumann JM Biochemistry. 1995 Nov 7;34(44):14462-73. PMID:7578051<ref>PMID:7578051</ref>
The [2Fe-2S] ferredoxin extracted from Synechocystis sp. PCC 6803 was studied by 1H and 15N nuclear magnetic resonance. Sequence-specific 1H and 15N assignment of amino acid residues far from the paramagnetic cluster (distance higher than 8 A) was performed. Interresidue NOE constraints have allowed the identification of several secondary structure elements: one beta sheet composed of four beta strands, one alpha helix, and two alpha helix turns. The analysis of interresidue NOEs suggests the existence of a disulfide bridge between the cysteine residues 18 and 85. Such a disulfide bridge has never been observed in plant-type ferredoxins. Structure modeling using the X-PLOR program was performed with or without assuming the existence of a disulfide bridge. As a result, two structure families were obtained with rms deviations of 2.2 A. Due to the lack of NOE connectivities resulting from the paramagnetic effect from the [2Fe-2S] cluster, the structures were not well resolved in the region surrounding the [2Fe-2S] cluster, at both extremities of the alpha helix and the C and N terminus segments. In contrast, when taken separately, the beta sheet and the alpha helix were well defined. This work is the first report of a structure model of a plant-type [2Fe-2S] Fd in solution.


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


==Reference==
==See Also==
1H and 15N NMR sequential assignment, secondary structure, and tertiary fold of [2Fe-2S] ferredoxin from Synechocystis sp. PCC 6803., Lelong C, Setif P, Bottin H, Andre F, Neumann JM, Biochemistry. 1995 Nov 7;34(44):14462-73. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/7578051 7578051]
*[[Ferredoxin 3D structures|Ferredoxin 3D structures]]
[[Category: Single protein]]
== References ==
[[Category: Synechocystis sp.]]
<references/>
[[Category: Andre, F.]]
__TOC__
[[Category: Bottin, H.]]
</StructureSection>
[[Category: Lelong, C.]]
[[Category: Large Structures]]
[[Category: Neumann, J M.]]
[[Category: Synechocystis sp. PCC 6803]]
[[Category: Setif, P.]]
[[Category: Andre F]]
[[Category: Iron-sulfur protein]]
[[Category: Bottin H]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May  2 14:05:58 2008''
[[Category: Lelong C]]
[[Category: Neumann JM]]
[[Category: Setif P]]

Latest revision as of 05:46, 13 August 2026

1H AND 15N SEQUENTIAL ASSIGNMENT, SECONDARY STRUCTURE AND TERTIARY FOLD OF [2FE-2S] FERREDOXIN FROM SYNECHOCYSTIS SP. PCC 6803

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