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1zrt

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[[Image:1zrt.gif|left|200px]]
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{{STRUCTURE_1zrt| PDB=1zrt | SCENE= }}
{{STRUCTURE_1zrt| PDB=1zrt | SCENE= }}
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'''Rhodobacter capsulatus cytochrome bc1 complex with stigmatellin bound'''
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===Rhodobacter capsulatus cytochrome bc1 complex with stigmatellin bound===
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==Overview==
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Ubihydroquinone: cytochrome (cyt)c oxidoreductase, or cyt bc (1), is a widespread, membrane integral enzyme that plays a crucial role during photosynthesis and respiration. It is one of the major contributors of the electrochemical proton gradient, which is subsequently used for ATP synthesis. The simplest form of the cyt bc (1) is found in bacteria, and it contains only the three ubiquitously conserved catalytic subunits: the Fe-S protein, cyt b and cyt c (1). Here we present a preliminary X-ray structure of Rhodobacter capsulatus cyt bc (1) at 3.8 A and compare it to the available structures of its homologues from mitochondria and chloroplast. Using the bacterial enzyme structure, we highlight the structural similarities and differences that are found among the three catalytic subunits between the members of this family of enzymes. In addition, we discuss the locations of currently known critical mutations, and their implications in terms of the cyt bc (1) catalysis.
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The line below this paragraph, {{ABSTRACT_PUBMED_16034531}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 16034531 is the PubMed ID number.
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{{ABSTRACT_PUBMED_16034531}}
==About this Structure==
==About this Structure==
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[[Category: Rieske iron sulfur protein]]
[[Category: Rieske iron sulfur protein]]
[[Category: Stigmatellin]]
[[Category: Stigmatellin]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 17:59:33 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 05:55:51 2008''

Revision as of 02:55, 29 July 2008

Image:1zrt.png

Template:STRUCTURE 1zrt

Rhodobacter capsulatus cytochrome bc1 complex with stigmatellin bound

Template:ABSTRACT PUBMED 16034531

About this Structure

1ZRT is a Protein complex structure of sequences from Rhodobacter capsulatus. Full crystallographic information is available from OCA.

Reference

X-Ray Structure of Rhodobacter Capsulatus Cytochrome bc (1): Comparison with its Mitochondrial and Chloroplast Counterparts., Berry EA, Huang LS, Saechao LK, Pon NG, Valkova-Valchanova M, Daldal F, Photosynth Res. 2004;81(3):251-75. PMID:16034531

Page seeded by OCA on Tue Jul 29 05:55:51 2008

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