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2htn

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[[Image:2htn.gif|left|200px]]
[[Image:2htn.gif|left|200px]]
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{{Structure
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<!--
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|PDB= 2htn |SIZE=350|CAPTION= <scene name='initialview01'>2htn</scene>, resolution 2.50&Aring;
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The line below this paragraph, containing "STRUCTURE_2htn", creates the "Structure Box" on the page.
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|SITE=
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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|LIGAND= <scene name='pdbligand=FE:FE+(III)+ION'>FE</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Ferroxidase Ferroxidase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.16.3.1 1.16.3.1] </span>
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or leave the SCENE parameter empty for the default display.
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|GENE=
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-->
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|DOMAIN=
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{{STRUCTURE_2htn| PDB=2htn | SCENE= }}
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|RELATEDENTRY=
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2htn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2htn OCA], [http://www.ebi.ac.uk/pdbsum/2htn PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2htn RCSB]</span>
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}}
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'''E. coli bacterioferritin in its as-isolated form'''
'''E. coli bacterioferritin in its as-isolated form'''
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[[Category: Loo, S Wolterink-Van.]]
[[Category: Loo, S Wolterink-Van.]]
[[Category: Oost, J Van Der.]]
[[Category: Oost, J Van Der.]]
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[[Category: ferroxidase centre]]
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[[Category: Ferroxidase centre]]
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[[Category: four-helix bundle]]
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[[Category: Four-helix bundle]]
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[[Category: haem]]
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[[Category: Haem]]
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[[Category: iron binding site]]
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[[Category: Iron binding site]]
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[[Category: protein shell]]
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[[Category: Protein shell]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 06:41:48 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 03:35:14 2008''
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Revision as of 03:41, 4 May 2008

Image:2htn.gif

Template:STRUCTURE 2htn

E. coli bacterioferritin in its as-isolated form


Overview

Escherichia coli bacterioferritin was serendipitously crystallized in a novel cubic crystal form and its structure could be determined to 2.5 A resolution despite a high degree of merohedral twinning. This is the first report of crystallographic data on 'as-isolated' E. coli bacterioferritin. The ferroxidase active site contains positive difference density consistent with two metal ions that had co-purified with the protein. X-ray fluorescence studies suggest that the metal composition is different from that of previous structures and is a mix of zinc and native iron ions. The ferroxidase-centre configuration displays a similar flexibility as previously noted for other bacterioferritins.

About this Structure

2HTN is a Single protein structure of sequence from Escherichia coli. Full crystallographic information is available from OCA.

Reference

Fortuitous structure determination of 'as-isolated' Escherichia coli bacterioferritin in a novel crystal form., van Eerde A, Wolterink-van Loo S, van der Oost J, Dijkstra BW, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2006 Nov 1;62(Pt, 11):1061-6. Epub 2006 Oct 25. PMID:17077480 Page seeded by OCA on Sun May 4 06:41:48 2008

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