1jb0

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[[Image:1jb0.gif|left|200px]]
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[[Image:1jb0.png|left|200px]]
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==Overview==
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{{ABSTRACT_11418848}}
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Life on Earth depends on photosynthesis, the conversion of light energy from the Sun to chemical energy. In plants, green algae and cyanobacteria, this process is driven by the cooperation of two large protein-cofactor complexes, photosystems I and II, which are located in the thylakoid photosynthetic membranes. The crystal structure of photosystem I from the thermophilic cyanobacterium Synechococcus elongatus described here provides a picture at atomic detail of 12 protein subunits and 127 cofactors comprising 96 chlorophylls, 2 phylloquinones, 3 Fe4S4 clusters, 22 carotenoids, 4 lipids, a putative Ca2+ ion and 201 water molecules. The structural information on the proteins and cofactors and their interactions provides a basis for understanding how the high efficiency of photosystem I in light capturing and electron transfer is achieved.
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==About this Structure==
==About this Structure==
1JB0 is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Synechococcus_elongatus Synechococcus elongatus]. The following pages contain interesting information on the relation of 1JB0 with [[http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/pdb66_1.html Carotenoid Oxygenase]]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1JB0 OCA].
1JB0 is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Synechococcus_elongatus Synechococcus elongatus]. The following pages contain interesting information on the relation of 1JB0 with [[http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/pdb66_1.html Carotenoid Oxygenase]]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1JB0 OCA].
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==Reference==
 
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Three-dimensional structure of cyanobacterial photosystem I at 2.5 A resolution., Jordan P, Fromme P, Witt HT, Klukas O, Saenger W, Krauss N, Nature. 2001 Jun 21;411(6840):909-17. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/11418848 11418848]
 
[[Category: Carotenoid Oxygenase]]
[[Category: Carotenoid Oxygenase]]
[[Category: Photosystem I]]
[[Category: Photosystem I]]
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[[Category: Membrane protein]]
[[Category: Membrane protein]]
[[Category: Multiprotein-pigment complex]]
[[Category: Multiprotein-pigment complex]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 20:59:54 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Jun 26 17:35:15 2008''

Revision as of 14:35, 26 June 2008

Image:1jb0.png

Template:STRUCTURE 1jb0

Crystal Structure of Photosystem I: a Photosynthetic Reaction Center and Core Antenna System from Cyanobacteria


Template:ABSTRACT 11418848

About this Structure

1JB0 is a Protein complex structure of sequences from Synechococcus elongatus. The following pages contain interesting information on the relation of 1JB0 with [Carotenoid Oxygenase]. Full crystallographic information is available from OCA.

Page seeded by OCA on Thu Jun 26 17:35:15 2008

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