1jm1

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{{STRUCTURE_1jm1| PDB=1jm1 | SCENE= }}
{{STRUCTURE_1jm1| PDB=1jm1 | SCENE= }}
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'''Crystal structure of the soluble domain of the Rieske protein II (soxF) from Sulfolobus acidocaldarius'''
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===Crystal structure of the soluble domain of the Rieske protein II (soxF) from Sulfolobus acidocaldarius===
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==Overview==
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The first crystal structure of an archaeal Rieske iron-sulfur protein, the soluble domain of Rieske iron-sulfur protein II (soxF) from the hyperthermo-acidophile Sulfolobus acidocaldarius, has been solved by multiple wavelength anomalous dispersion (MAD) and has been refined to 1.1 A resolution. SoxF is a subunit of the terminal oxidase supercomplex SoxM in the plasma membrane of S. acidocaldarius that combines features of a cytochrome bc(1) complex and a cytochrome c oxidase. The [2Fe-2S] cluster of soxF is most likely the primary electron acceptor during the oxidation of caldariella quinone by the cytochrome a(587)/Rieske subcomplex. The geometry of the [2Fe-2S] cluster and the structure of the cluster-binding site are almost identical in soxF and the Rieske proteins from eucaryal cytochrome bc(1) and b(6)f complexes, suggesting a strict conservation of the catalytic mechanism. The main domain of soxF and part of the cluster-binding domain, though structurally related, show a significantly divergent structure with respect to topology, non-covalent interactions and surface charges. The divergent structure of soxF reflects a different topology of the soxM complex compared to eucaryal bc complexes and the adaptation of the protein to the extreme ambient conditions on the outer membrane surface of a hyperthermo-acidophilic organism.
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(as it appears on PubMed at http://www.pubmed.gov), where 12054871 is the PubMed ID number.
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{{ABSTRACT_PUBMED_12054871}}
==About this Structure==
==About this Structure==
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[[Category: Respiratory chain]]
[[Category: Respiratory chain]]
[[Category: Rieske iron-sulfur protein]]
[[Category: Rieske iron-sulfur protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 20:27:24 2008''

Revision as of 17:27, 1 July 2008

Image:1jm1.png

Template:STRUCTURE 1jm1

Crystal structure of the soluble domain of the Rieske protein II (soxF) from Sulfolobus acidocaldarius

Template:ABSTRACT PUBMED 12054871

About this Structure

1JM1 is a Single protein structure of sequence from Sulfolobus acidocaldarius. Full crystallographic information is available from OCA.

Reference

The structure of the soluble domain of an archaeal Rieske iron-sulfur protein at 1.1 A resolution., Bonisch H, Schmidt CL, Schafer G, Ladenstein R, J Mol Biol. 2002 Jun 7;319(3):791-805. PMID:12054871

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