2o01

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[[Image:2o01.jpg|left|200px]]
[[Image:2o01.jpg|left|200px]]
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{{Structure
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|PDB= 2o01 |SIZE=350|CAPTION= <scene name='initialview01'>2o01</scene>, resolution 3.400&Aring;
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The line below this paragraph, containing "STRUCTURE_2o01", creates the "Structure Box" on the page.
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|SITE=
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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|LIGAND= <scene name='pdbligand=BCR:BETA-CAROTENE'>BCR</scene>, <scene name='pdbligand=CL1:ALPHA+CHLOROPHYLL+A'>CL1</scene>, <scene name='pdbligand=PQN:PHYLLOQUINONE'>PQN</scene>, <scene name='pdbligand=SF4:IRON/SULFUR+CLUSTER'>SF4</scene>, <scene name='pdbligand=UNK:UNKNOWN'>UNK</scene>
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|ACTIVITY=
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{{STRUCTURE_2o01| PDB=2o01 | SCENE= }}
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|RELATEDENTRY=[[1qzv|1QZV]]
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2o01 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2o01 OCA], [http://www.ebi.ac.uk/pdbsum/2o01 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2o01 RCSB]</span>
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'''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'''
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[[Category: Drory, O.]]
[[Category: Drory, O.]]
[[Category: Nelson, N.]]
[[Category: Nelson, N.]]
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[[Category: membranal super complex]]
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[[Category: Membranal super complex]]
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[[Category: photosynthesis]]
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[[Category: Photosynthesis]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 10:08:09 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 04:10:47 2008''
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Revision as of 07:08, 4 May 2008

Image:2o01.jpg

Template:STRUCTURE 2o01

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


Overview

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.

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 Page seeded by OCA on Sun May 4 10:08:09 2008

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