1fca

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[[Image:1fca.jpg|left|200px]]
 
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{{Structure
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==STRUCTURE OF THE FERREDOXIN FROM CLOSTRIDIUM ACIDURICI: MODEL AT 1.8 ANGSTROMS RESOLUTION==
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|PDB= 1fca |SIZE=350|CAPTION= <scene name='initialview01'>1fca</scene>, resolution 1.8&Aring;
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<StructureSection load='1fca' size='340' side='right'caption='[[1fca]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=SF4:IRON/SULFUR CLUSTER'>SF4</scene>
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<table><tr><td colspan='2'>[[1fca]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Gottschalkia_acidurici Gottschalkia acidurici]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FCA OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1FCA FirstGlance]. <br>
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|ACTIVITY=
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.8&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=SF4:IRON/SULFUR+CLUSTER'>SF4</scene></td></tr>
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}}
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1fca FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1fca OCA], [https://pdbe.org/1fca PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1fca RCSB], [https://www.ebi.ac.uk/pdbsum/1fca PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1fca ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/FER_GOTA9 FER_GOTA9] Ferredoxins are iron-sulfur proteins that transfer electrons in a wide variety of metabolic reactions.[UniProtKB:P50727]
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/fc/1fca_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</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=1fca ConSurf].
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<div style="clear:both"></div>
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'''STRUCTURE OF THE FERREDOXIN FROM CLOSTRIDIUM ACIDURICI: MODEL AT 1.8 ANGSTROMS RESOLUTION'''
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==See Also==
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*[[Ferredoxin 3D structures|Ferredoxin 3D structures]]
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__TOC__
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==Overview==
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</StructureSection>
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Ferredoxins (Fd) are electron-carrier proteins, the active sites of which are organized around clusters made of iron and inorganic sulfur. The Fd from Clostridium acidurici is 55 amino acids long and contains two [4Fe-4S] clusters. Crystals have been obtained in the space group P4(3)2(1)2, a = b = 34.441 (5), c = 74.778 (9) A. The structure was solved by molecular replacement using the Fd from Peptostreptcoccus asaccharolyticus as a search model, these two ferredoxins having 37 residues in common. Refinement using molecular-dynamics techniques was then initiated. Successive rounds of model building and refinement gave a structure that includes 45 water molecules with R = 15%. At this stage, the electron-density map clearly revealed discrepancies in the position of two amino acids in the published primary sequence. Refinement based on these modifications led to R = 14.3% for 3921 reflections up to 1.8 A, resolution. The geometry of the two clusters has been found to be in good agreement with that previously obtained at a lower resolution. Interactions of polypeptide chain with the [4Fe-4S] clusters, the cluster geometry as well as the hydrogen bonds involving S, Sgamma, N and water molecules are reported.
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[[Category: Gottschalkia acidurici]]
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[[Category: Large Structures]]
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==About this Structure==
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[[Category: Jesior JC]]
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1FCA is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Clostridium_acidurici Clostridium acidurici]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FCA OCA].
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[[Category: Tranqui D]]
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==Reference==
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Structure of the ferredoxin from Clostridium acidurici: model at 1.8 A resolution., TranQui D, Jesior JC, Acta Crystallogr D Biol Crystallogr. 1995 Mar 1;51(Pt 2):155-9. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15299316 15299316]
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[[Category: Clostridium acidurici]]
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[[Category: Single protein]]
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[[Category: Jesior, J C.]]
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[[Category: Tranqui, D.]]
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[[Category: SF4]]
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[[Category: electron transport (cytochrome)]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 11:07:16 2008''
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Current revision

STRUCTURE OF THE FERREDOXIN FROM CLOSTRIDIUM ACIDURICI: MODEL AT 1.8 ANGSTROMS RESOLUTION

PDB ID 1fca

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