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[[Image:2cdv.gif|left|200px]]
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{{STRUCTURE_2cdv|  PDB=2cdv  |  SCENE=  }}
'''REFINED STRUCTURE OF CYTOCHROME C3 AT 1.8 ANGSTROMS RESOLUTION'''


==REFINED STRUCTURE OF CYTOCHROME C3 AT 1.8 ANGSTROMS RESOLUTION==
<StructureSection load='2cdv' size='340' side='right'caption='[[2cdv]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[2cdv]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Desulfovibrio_vulgaris Desulfovibrio vulgaris]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2CDV OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2CDV 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]] 1.8&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=HEC:HEME+C'>HEC</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=2cdv FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2cdv OCA], [https://pdbe.org/2cdv PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2cdv RCSB], [https://www.ebi.ac.uk/pdbsum/2cdv PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2cdv ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/CYC3_NITV9 CYC3_NITV9] Participates in sulfate respiration coupled with phosphorylation by transferring electrons from the enzyme dehydrogenase to ferredoxin.
== 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/cd/2cdv_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=2cdv ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The structure of cytochrome c3 from the sulfate-reducing bacterium Desulfovibrio vulgaris Miyazaki has been successfully refined at 1.8 A resolution. The crystallographic R factor is 0.176 for 9907 significant reflections. The isotropic temperature factors of individual atoms were refined and a total of 47 water molecules located on the difference map were incorporated in the refinement. The four heme groups are closely packed, with adjacent pairs of heme planes being nearly perpendicular to each other. The fifth and the sixth ligands of the heme iron atoms are histidine residues with N epsilon 2-Fe distances ranging from 1.88 A to 2.12 A. The histidine co-ordination to the heme iron is different for each heme group. The heme groups are all highly exposed to solvent, although the actual regions exposed differ among the hemes. The four heme groups are located in different environments, and the heme planes are deformed from planarity. The differences in the heme structures and their environments indicate that the four heme groups are non-equivalent. The chemical as well as the physical properties of cytochrome c3 should be interpreted in terms of the structural non-equivalence of the heme groups. The characteristic secondary structural non-equivalence of the heme groups. The characteristic secondary structures of the polypeptide chain of this molecule are three short alpha-helices, two short beta-strands and ten reverse turns.


==Overview==
Refined structure of cytochrome c3 at 1.8 A resolution.,Higuchi Y, Kusunoki M, Matsuura Y, Yasuoka N, Kakudo M J Mol Biol. 1984 Jan 5;172(1):109-39. PMID:6319712<ref>PMID:6319712</ref>
The structure of cytochrome c3 from the sulfate-reducing bacterium Desulfovibrio vulgaris Miyazaki has been successfully refined at 1.8 A resolution. The crystallographic R factor is 0.176 for 9907 significant reflections. The isotropic temperature factors of individual atoms were refined and a total of 47 water molecules located on the difference map were incorporated in the refinement. The four heme groups are closely packed, with adjacent pairs of heme planes being nearly perpendicular to each other. The fifth and the sixth ligands of the heme iron atoms are histidine residues with N epsilon 2-Fe distances ranging from 1.88 A to 2.12 A. The histidine co-ordination to the heme iron is different for each heme group. The heme groups are all highly exposed to solvent, although the actual regions exposed differ among the hemes. The four heme groups are located in different environments, and the heme planes are deformed from planarity. The differences in the heme structures and their environments indicate that the four heme groups are non-equivalent. The chemical as well as the physical properties of cytochrome c3 should be interpreted in terms of the structural non-equivalence of the heme groups. The characteristic secondary structural non-equivalence of the heme groups. The characteristic secondary structures of the polypeptide chain of this molecule are three short alpha-helices, two short beta-strands and ten reverse turns.


==About this Structure==
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
2CDV is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Desulfovibrio_vulgaris Desulfovibrio vulgaris]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1cdv 1cdv]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2CDV OCA].
</div>
<div class="pdbe-citations 2cdv" style="background-color:#fffaf0;"></div>


==Reference==
==See Also==
Refined structure of cytochrome c3 at 1.8 A resolution., Higuchi Y, Kusunoki M, Matsuura Y, Yasuoka N, Kakudo M, J Mol Biol. 1984 Jan 5;172(1):109-39. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/6319712 6319712]
*[[Cytochrome C 3D structures|Cytochrome C 3D structures]]
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Desulfovibrio vulgaris]]
[[Category: Desulfovibrio vulgaris]]
[[Category: Single protein]]
[[Category: Large Structures]]
[[Category: Higuchi, Y.]]
[[Category: Higuchi Y]]
[[Category: Kakudo, M.]]
[[Category: Kakudo M]]
[[Category: Kusunoki, M.]]
[[Category: Kusunoki M]]
[[Category: Matsuura, Y.]]
[[Category: Matsuura Y]]
[[Category: Yasuoka, N.]]
[[Category: Yasuoka N]]
[[Category: Heme protein of electron transport]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May  3 21:54:27 2008''
Retrieved from "https://proteopedia.org/2cdv"