2o01: Difference between revisions

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[[Image:2o01.jpg|left|200px]]
{{Seed}}
[[Image:2o01.png|left|200px]]


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{{STRUCTURE_2o01|  PDB=2o01  |  SCENE=  }}  
{{STRUCTURE_2o01|  PDB=2o01  |  SCENE=  }}  


'''The Structure of a plant photosystem I supercomplex at 3.4 Angstrom resolution'''
===The Structure of a plant photosystem I supercomplex at 3.4 Angstrom resolution===




==Overview==
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All higher organisms on Earth receive energy directly or indirectly from oxygenic photosynthesis performed by plants, green algae and cyanobacteria. Photosystem I (PSI) is a supercomplex of a reaction centre and light-harvesting complexes. It generates the most negative redox potential in nature, and thus largely determines the global amount of enthalpy in living systems. We report the structure of plant PSI at 3.4 A resolution, revealing 17 protein subunits. PsaN was identified in the luminal side of the supercomplex, and most of the amino acids in the reaction centre were traced. The crystal structure of PSI provides a picture at near atomic detail of 11 out of 12 protein subunits of the reaction centre. At this level, 168 chlorophylls (65 assigned with orientations for Q(x) and Q(y) transition dipole moments), 2 phylloquinones, 3 Fe(4)S(4) clusters and 5 carotenoids are described. This structural information extends the understanding of the most efficient nano-photochemical machine in nature.
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{{ABSTRACT_PUBMED_17476261}}


==About this Structure==
==About this Structure==
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[[Category: Membranal super complex]]
[[Category: Membranal super complex]]
[[Category: Photosynthesis]]
[[Category: Photosynthesis]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May  4 10:08:09 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 07:43:11 2008''

Revision as of 04:43, 29 July 2008

File:2o01.png

Template:STRUCTURE 2o01

The Structure of a plant photosystem I supercomplex at 3.4 Angstrom resolution

Template:ABSTRACT PUBMED 17476261

About this Structure

2O01 is a Protein complex structure of sequences from Arabidopsis thaliana, Phaseolus vulgaris, Pisum sativum and Spinacia oleracea. Full crystallographic information is available from OCA.

Reference

The structure of a plant photosystem I supercomplex at 3.4 A resolution., Amunts A, Drory O, Nelson N, Nature. 2007 May 3;447(7140):58-63. PMID:17476261

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