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1bfr

From Proteopedia

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[[Image:1bfr.gif|left|200px]]
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{{STRUCTURE_1bfr| PDB=1bfr | SCENE= }}
{{STRUCTURE_1bfr| PDB=1bfr | SCENE= }}
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'''IRON STORAGE AND ELECTRON TRANSPORT'''
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===IRON STORAGE AND ELECTRON TRANSPORT===
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==Overview==
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Crystals of E. coli cytochrome b1, alias bacterioferritin, were grown fr om a low ionic strength solution. The resulting monoclniic P21 structure was solved by molecular replacement and refined using noncrystallographi c symmetries applied to the fundamental unit, consisting of two protein subunits and a single haem. From the Patterson self-rotation results it was shown that the asymmetric unit of the monoclinic crystal consists of 12 such dimers and corresponds to a complete, nearly spherical, molecule of bacterioferritin (M4 = 450 kDa) of 432 point-group symmetry. It is thus the most symmetrical cytochrome. As previously determined for the tetragonal form, the haem is located in a special position on a local twofold axis of the dimer. A bimetal centre is also observed within the four-helix bundle of each monomer; a metal-binding site is located on the fourfold axis.
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(as it appears on PubMed at http://www.pubmed.gov), where 9867433 is the PubMed ID number.
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{{ABSTRACT_PUBMED_9867433}}
==About this Structure==
==About this Structure==
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[[Category: Electron transport]]
[[Category: Electron transport]]
[[Category: Iron storage]]
[[Category: Iron storage]]
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Revision as of 16:03, 30 June 2008

Image:1bfr.png

Template:STRUCTURE 1bfr

IRON STORAGE AND ELECTRON TRANSPORT

Template:ABSTRACT PUBMED 9867433

About this Structure

1BFR is a Single protein structure of sequence from Escherichia coli. Full crystallographic information is available from OCA.

Reference

Structure of a monoclinic crystal from of cyctochrome b1 (Bacterioferritin) from E. coli., Dautant A, Meyer JB, Yariv J, Precigoux G, Sweet RM, Kalb AJ, Frolow F, Acta Crystallogr D Biol Crystallogr. 1998 Jan 1;54(Pt 1):16-24. PMID:9867433

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