2dge

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[[Image:2dge.gif|left|200px]]<br /><applet load="2dge" size="350" color="white" frame="true" align="right" spinBox="true"
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[[Image:2dge.gif|left|200px]]
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caption="2dge, resolution 1.50&Aring;" />
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'''Crystal structure of oxidized cytochrome C6A from Arabidopsis thaliana'''<br />
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{{Structure
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|PDB= 2dge |SIZE=350|CAPTION= <scene name='initialview01'>2dge</scene>, resolution 1.50&Aring;
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|SITE=
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|LIGAND= <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene> and <scene name='pdbligand=HEM:PROTOPORPHYRIN IX CONTAINING FE'>HEM</scene>
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|ACTIVITY=
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|GENE= ATC6 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=3702 Arabidopsis thaliana])
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}}
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'''Crystal structure of oxidized cytochrome C6A from Arabidopsis thaliana'''
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==Overview==
==Overview==
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==About this Structure==
==About this Structure==
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2DGE is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Arabidopsis_thaliana Arabidopsis thaliana] with <scene name='pdbligand=ZN:'>ZN</scene> and <scene name='pdbligand=HEM:'>HEM</scene> as [http://en.wikipedia.org/wiki/ligands ligands]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2DGE OCA].
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2DGE is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Arabidopsis_thaliana Arabidopsis thaliana]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2DGE OCA].
==Reference==
==Reference==
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Crystal structure of oxidized cytochrome c(6A) from Arabidopsis thaliana., Chida H, Yokoyama T, Kawai F, Nakazawa A, Akazaki H, Takayama Y, Hirano T, Suruga K, Satoh T, Yamada S, Kawachi R, Unzai S, Nishio T, Park SY, Oku T, FEBS Lett. 2006 Jun 26;580(15):3763-8. Epub 2006 Jun 9. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=16777100 16777100]
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Crystal structure of oxidized cytochrome c(6A) from Arabidopsis thaliana., Chida H, Yokoyama T, Kawai F, Nakazawa A, Akazaki H, Takayama Y, Hirano T, Suruga K, Satoh T, Yamada S, Kawachi R, Unzai S, Nishio T, Park SY, Oku T, FEBS Lett. 2006 Jun 26;580(15):3763-8. Epub 2006 Jun 9. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16777100 16777100]
[[Category: Arabidopsis thaliana]]
[[Category: Arabidopsis thaliana]]
[[Category: Single protein]]
[[Category: Single protein]]
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[[Category: heme exposure]]
[[Category: heme exposure]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 16:58:30 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 16:26:54 2008''

Revision as of 14:26, 20 March 2008

Image:2dge.gif


PDB ID 2dge

Drag the structure with the mouse to rotate
, resolution 1.50Å
Ligands: and
Gene: ATC6 (Arabidopsis thaliana)
Coordinates: save as pdb, mmCIF, xml



Crystal structure of oxidized cytochrome C6A from Arabidopsis thaliana


Overview

Compared with algal and cyanobacterial cytochrome c(6), cytochrome c(6A) from higher plants contains an additional loop of 12 amino acid residues. We have determined the first crystal structure of cytochrome c(6A) from Arabidopsis thaliana at 1.5 Angstrom resolution in order to help elucidate its function. The overall structure of cytochrome c(6A) follows the topology of class I c-type cytochromes in which the heme prosthetic group covalently binds to Cys16 and Cys19, and the iron has octahedral coordination with His20 and Met60 as the axial ligands. Two cysteine residues (Cys67 and Cys73) within the characteristic 12 amino acids loop form a disulfide bond, contributing to the structural stability of cytochrome c(6A). Our model provides a chemical basis for the known low redox potential of cytochrome c(6A) which makes it an unsuitable electron carrier between cytochrome b(6)f and PSI.

About this Structure

2DGE is a Single protein structure of sequence from Arabidopsis thaliana. Full crystallographic information is available from OCA.

Reference

Crystal structure of oxidized cytochrome c(6A) from Arabidopsis thaliana., Chida H, Yokoyama T, Kawai F, Nakazawa A, Akazaki H, Takayama Y, Hirano T, Suruga K, Satoh T, Yamada S, Kawachi R, Unzai S, Nishio T, Park SY, Oku T, FEBS Lett. 2006 Jun 26;580(15):3763-8. Epub 2006 Jun 9. PMID:16777100

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