1s5l

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[[Image:1s5l.gif|left|200px]]
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[[Image:1s5l.png|left|200px]]
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==Overview==
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{{ABSTRACT_14764885}}
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Photosynthesis uses light energy to drive the oxidation of water at an oxygen-evolving catalytic site within photosystem II (PSII). We report the structure of PSII of the cyanobacterium Thermosynechococcus elongatus at 3.5 angstrom resolution. We have assigned most of the amino acid residues of this 650-kilodalton dimeric multisubunit complex and refined the structure to reveal its molecular architecture. Consequently, we are able to describe details of the binding sites for cofactors and propose a structure of the oxygen-evolving center (OEC). The data strongly suggest that the OEC contains a cubane-like Mn3CaO4 cluster linked to a fourth Mn by a mono-micro-oxo bridge. The details of the surrounding coordination sphere of the metal cluster and the implications for a possible oxygen-evolving mechanism are discussed.
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==About this Structure==
==About this Structure==
1S5L is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Thermosynechococcus_elongatus Thermosynechococcus elongatus]. The following page contains interesting information on the relation of 1S5L with [[http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/pdb59_1.html Photosystem II]]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1S5L OCA].
1S5L is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Thermosynechococcus_elongatus Thermosynechococcus elongatus]. The following page contains interesting information on the relation of 1S5L with [[http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/pdb59_1.html Photosystem II]]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1S5L OCA].
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==Reference==
 
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Architecture of the photosynthetic oxygen-evolving center., Ferreira KN, Iverson TM, Maghlaoui K, Barber J, Iwata S, Science. 2004 Mar 19;303(5665):1831-8. Epub 2004 Feb 5. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/14764885 14764885]
 
[[Category: Photosystem II]]
[[Category: Photosystem II]]
[[Category: Protein complex]]
[[Category: Protein complex]]
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[[Category: Photosystem]]
[[Category: Photosystem]]
[[Category: Tetra-manganese]]
[[Category: Tetra-manganese]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 08:19:49 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Jun 26 17:56:48 2008''

Revision as of 14:56, 26 June 2008

Image:1s5l.png

Template:STRUCTURE 1s5l

Architecture of the photosynthetic oxygen evolving center


Template:ABSTRACT 14764885

About this Structure

1S5L is a Protein complex structure of sequences from Thermosynechococcus elongatus. The following page contains interesting information on the relation of 1S5L with [Photosystem II]. Full crystallographic information is available from OCA.

Page seeded by OCA on Thu Jun 26 17:56:48 2008

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