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1s5l

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[[Image:1s5l.gif|left|200px]]<br /><applet load="1s5l" size="350" color="white" frame="true" align="right" spinBox="true"
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[[Image:1s5l.gif|left|200px]]
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caption="1s5l, resolution 3.5&Aring;" />
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'''Architecture of the photosynthetic oxygen evolving center'''<br />
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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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|SITE=
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|LIGAND= <scene name='pdbligand=FE:FE+(III)+ION'>FE</scene>, <scene name='pdbligand=BCT:BICARBONATE+ION'>BCT</scene>, <scene name='pdbligand=OEC:OXYGEN+EVOLVING+SYSTEM'>OEC</scene>, <scene name='pdbligand=CL1:ALPHA+CHLOROPHYLL+A'>CL1</scene>, <scene name='pdbligand=PHO:PHEOPHYTIN+A'>PHO</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</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=LMT:DODECYL-BETA-D-MALTOSIDE'>LMT</scene> and <scene name='pdbligand=BCR:BETA-CAROTENE'>BCR</scene>
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|ACTIVITY=
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|GENE=
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}}
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'''Architecture of the photosynthetic oxygen evolving center'''
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==Overview==
==Overview==
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==About this Structure==
==About this Structure==
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1S5L is a [http://en.wikipedia.org/wiki/Protein_complex Protein complex] structure of sequences from [http://en.wikipedia.org/wiki/Thermosynechococcus_elongatus Thermosynechococcus elongatus] with <scene name='pdbligand=FE:'>FE</scene>, <scene name='pdbligand=BCT:'>BCT</scene>, <scene name='pdbligand=OEC:'>OEC</scene>, <scene name='pdbligand=CL1:'>CL1</scene>, <scene name='pdbligand=PHO:'>PHO</scene>, <scene name='pdbligand=HEM:'>HEM</scene>, <scene name='pdbligand=PL9:'>PL9</scene>, <scene name='pdbligand=LMT:'>LMT</scene> and <scene name='pdbligand=BCR:'>BCR</scene> as [http://en.wikipedia.org/wiki/ligands ligands]. 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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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].
==Reference==
==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://ispc.weizmann.ac.il//pmbin/getpm?pmid=14764885 14764885]
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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: tetra-manganese]]
[[Category: tetra-manganese]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 14:58:11 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 14:00:47 2008''

Revision as of 12:00, 20 March 2008

Image:1s5l.gif


PDB ID 1s5l

Drag the structure with the mouse to rotate
, resolution 3.5Å
Ligands: , , , , , , , and
Coordinates: save as pdb, mmCIF, xml



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 Thu Mar 20 14:00:47 2008

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