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1s5l

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[[Image:1s5l.gif|left|200px]]
[[Image:1s5l.gif|left|200px]]
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{{Structure
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|PDB= 1s5l |SIZE=350|CAPTION= <scene name='initialview01'>1s5l</scene>, resolution 3.5&Aring;
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The line below this paragraph, containing "STRUCTURE_1s5l", creates the "Structure Box" on the page.
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|LIGAND= <scene name='pdbligand=BCR:BETA-CAROTENE'>BCR</scene>, <scene name='pdbligand=BCT:BICARBONATE+ION'>BCT</scene>, <scene name='pdbligand=CL1:ALPHA+CHLOROPHYLL+A'>CL1</scene>, <scene name='pdbligand=FE:FE+(III)+ION'>FE</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=LMT:DODECYL-BETA-D-MALTOSIDE'>LMT</scene>, <scene name='pdbligand=OEC:OXYGEN+EVOLVING+SYSTEM'>OEC</scene>, <scene name='pdbligand=PHO:PHEOPHYTIN+A'>PHO</scene>, <scene name='pdbligand=PL9:2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE'>PL9</scene>, <scene name='pdbligand=UNK:UNKNOWN'>UNK</scene>
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{{STRUCTURE_1s5l| PDB=1s5l | SCENE= }}
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|RELATEDENTRY=[[1izl|1IZL]], [[1fe1|1FE1]]
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1s5l FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1s5l OCA], [http://www.ebi.ac.uk/pdbsum/1s5l PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1s5l RCSB]</span>
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'''Architecture of the photosynthetic oxygen evolving center'''
'''Architecture of the photosynthetic oxygen evolving center'''
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[[Category: Iwata, S.]]
[[Category: Iwata, S.]]
[[Category: Maghlaoui, K.]]
[[Category: Maghlaoui, K.]]
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[[Category: membrane]]
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[[Category: Membrane]]
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[[Category: oxygen-evolving]]
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[[Category: Oxygen-evolving]]
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[[Category: photosynthesis]]
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[[Category: Photosynthesis]]
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[[Category: photosystem]]
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[[Category: Photosystem]]
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[[Category: tetra-manganese]]
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[[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 Sun Mar 30 23:37:40 2008''
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Revision as of 05:19, 3 May 2008

Image:1s5l.gif

Template:STRUCTURE 1s5l

Architecture of the photosynthetic oxygen evolving center


Overview

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.

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.

Reference

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:14764885 Page seeded by OCA on Sat May 3 08:19:49 2008

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