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1d4c

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{{STRUCTURE_1d4c| PDB=1d4c | SCENE= }}
{{STRUCTURE_1d4c| PDB=1d4c | SCENE= }}
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'''CRYSTAL STRUCTURE OF THE UNCOMPLEXED FORM OF THE FLAVOCYTOCHROME C FUMARATE REDUCTASE OF SHEWANELLA PUTREFACIENS STRAIN MR-1'''
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===CRYSTAL STRUCTURE OF THE UNCOMPLEXED FORM OF THE FLAVOCYTOCHROME C FUMARATE REDUCTASE OF SHEWANELLA PUTREFACIENS STRAIN MR-1===
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==Overview==
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Fumarate respiration is one of the most widespread types of anaerobic respiration. The soluble fumarate reductase of Shewanella putrefaciens MR-1 is a periplasmic tetraheme flavocytochrome c. The crystal structures of the enzyme were solved to 2.9 A for the uncomplexed form and to 2.8 A and 2.5 A for the fumarate and the succinate-bound protein, respectively. The structures reveal a flexible capping domain linked to the FAD-binding domain. A catalytic mechanism for fumarate reduction based on the structure of the complexed protein is proposed. The mechanism for the reverse reaction is a model for the homologous succinate dehydrogenase (complex II) of the respiratory chain. In flavocytochrome c fumarate reductase, all redox centers are in van der Waals contact with one another, thus providing an efficient conduit of electrons from the hemes via the FAD to fumarate.
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{{ABSTRACT_PUBMED_10581551}}
==About this Structure==
==About this Structure==
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[[Category: Tsapin, A S.]]
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[[Category: Tetraheme flavocytochrome c]]
[[Category: Tetraheme flavocytochrome c]]
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Revision as of 19:23, 30 June 2008

Image:1d4c.png

Template:STRUCTURE 1d4c

CRYSTAL STRUCTURE OF THE UNCOMPLEXED FORM OF THE FLAVOCYTOCHROME C FUMARATE REDUCTASE OF SHEWANELLA PUTREFACIENS STRAIN MR-1

Template:ABSTRACT PUBMED 10581551

About this Structure

1D4C is a Single protein structure of sequence from Shewanella putrefaciens. Full crystallographic information is available from OCA.

Reference

Structure and mechanism of the flavocytochrome c fumarate reductase of Shewanella putrefaciens MR-1., Leys D, Tsapin AS, Nealson KH, Meyer TE, Cusanovich MA, Van Beeumen JJ, Nat Struct Biol. 1999 Dec;6(12):1113-7. PMID:10581551

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