1vf5

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{{STRUCTURE_1vf5| PDB=1vf5 | SCENE= }}
{{STRUCTURE_1vf5| PDB=1vf5 | SCENE= }}
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'''Crystal Structure of Cytochrome b6f Complex from M.laminosus'''
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===Crystal Structure of Cytochrome b6f Complex from M.laminosus===
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==Overview==
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The cytochrome b6f complex provides the electronic connection between the photosystem I and photosystem II reaction centers of oxygenic photosynthesis and generates a transmembrane electrochemical proton gradient for adenosine triphosphate synthesis. A 3.0 angstrom crystal structure of the dimeric b6f complex from the thermophilic cyanobacterium Mastigocladus laminosus reveals a large quinone exchange cavity, stabilized by lipid, in which plastoquinone, a quinone-analog inhibitor, and a novel heme are bound. The core of the b6f complex is similar to the analogous respiratory cytochrome bc1 complex, but the domain arrangement outside the core and the complement of prosthetic groups are strikingly different. The motion of the Rieske iron-sulfur protein extrinsic domain, essential for electron transfer, must also be different in the b6f complex.
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(as it appears on PubMed at http://www.pubmed.gov), where 14526088 is the PubMed ID number.
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{{ABSTRACT_PUBMED_14526088}}
==About this Structure==
==About this Structure==
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==Reference==
==Reference==
Structure of the cytochrome b6f complex of oxygenic photosynthesis: tuning the cavity., Kurisu G, Zhang H, Smith JL, Cramer WA, Science. 2003 Nov 7;302(5647):1009-14. Epub 2003 Oct 2. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/14526088 14526088]
Structure of the cytochrome b6f complex of oxygenic photosynthesis: tuning the cavity., Kurisu G, Zhang H, Smith JL, Cramer WA, Science. 2003 Nov 7;302(5647):1009-14. Epub 2003 Oct 2. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/14526088 14526088]
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A defined protein-detergent-lipid complex for crystallization of integral membrane proteins: The cytochrome b6f complex of oxygenic photosynthesis., Zhang H, Kurisu G, Smith JL, Cramer WA, Proc Natl Acad Sci U S A. 2003 Apr 29;100(9):5160-3. Epub 2003 Apr 17. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12702760 12702760]
[[Category: Mastigocladus laminosus]]
[[Category: Mastigocladus laminosus]]
[[Category: Protein complex]]
[[Category: Protein complex]]
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[[Category: Membrane protein complex]]
[[Category: Membrane protein complex]]
[[Category: Photosynthesis]]
[[Category: Photosynthesis]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 09:09:50 2008''

Revision as of 06:09, 29 July 2008

Image:1vf5.png

Template:STRUCTURE 1vf5

Crystal Structure of Cytochrome b6f Complex from M.laminosus

Template:ABSTRACT PUBMED 14526088

About this Structure

1VF5 is a Protein complex structure of sequences from Mastigocladus laminosus. This structure supersedes the now removed PDB entry 1um3. Full crystallographic information is available from OCA.

Reference

Structure of the cytochrome b6f complex of oxygenic photosynthesis: tuning the cavity., Kurisu G, Zhang H, Smith JL, Cramer WA, Science. 2003 Nov 7;302(5647):1009-14. Epub 2003 Oct 2. PMID:14526088

A defined protein-detergent-lipid complex for crystallization of integral membrane proteins: The cytochrome b6f complex of oxygenic photosynthesis., Zhang H, Kurisu G, Smith JL, Cramer WA, Proc Natl Acad Sci U S A. 2003 Apr 29;100(9):5160-3. Epub 2003 Apr 17. PMID:12702760

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