1qzv

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[[Image:1qzv.gif|left|200px]]
 
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==Crystal structure of plant photosystem I==
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The line below this paragraph, containing "STRUCTURE_1qzv", creates the "Structure Box" on the page.
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<StructureSection load='1qzv' size='340' side='right'caption='[[1qzv]], [[Resolution|resolution]] 4.44&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1qzv]] is a 20 chain structure with sequence from [https://en.wikipedia.org/wiki/Pisum_sativum Pisum sativum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QZV OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1QZV FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 4.44&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CLA:CHLOROPHYLL+A'>CLA</scene>, <scene name='pdbligand=PQN:PHYLLOQUINONE'>PQN</scene>, <scene name='pdbligand=SF4:IRON/SULFUR+CLUSTER'>SF4</scene></td></tr>
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{{STRUCTURE_1qzv| PDB=1qzv | SCENE= }}
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1qzv FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qzv OCA], [https://pdbe.org/1qzv PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1qzv RCSB], [https://www.ebi.ac.uk/pdbsum/1qzv PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1qzv ProSAT]</span></td></tr>
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</table>
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'''Crystal structure of plant photosystem I'''
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==See Also==
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*[[Photosystem I 3D structures|Photosystem I 3D structures]]
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__TOC__
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==Overview==
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</StructureSection>
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Oxygenic photosynthesis is the principal producer of both oxygen and organic matter on Earth. The conversion of sunlight into chemical energy is driven by two multisubunit membrane protein complexes named photosystem I and II. We determined the crystal structure of the complete photosystem I (PSI) from a higher plant (Pisum sativum var. alaska) to 4.4 A resolution. Its intricate structure shows 12 core subunits, 4 different light-harvesting membrane proteins (LHCI) assembled in a half-moon shape on one side of the core, 45 transmembrane helices, 167 chlorophylls, 3 Fe-S clusters and 2 phylloquinones. About 20 chlorophylls are positioned in strategic locations in the cleft between LHCI and the core. This structure provides a framework for exploration not only of energy and electron transfer but also of the evolutionary forces that shaped the photosynthetic apparatus of terrestrial plants after the divergence of chloroplasts from marine cyanobacteria one billion years ago.
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[[Category: Large Structures]]
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[[Category: Pisum sativum]]
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==About this Structure==
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[[Category: Ben-Shem A]]
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Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QZV OCA].
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[[Category: Frolow F]]
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[[Category: Nelson N]]
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==Reference==
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Crystal structure of plant photosystem I., Ben-Shem A, Frolow F, Nelson N, Nature. 2003 Dec 11;426(6967):630-5. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/14668855 14668855]
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[[Category: Ben-Shem, A.]]
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[[Category: Frolow, F.]]
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[[Category: Nelson, N.]]
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[[Category: Light-harvesting system]]
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[[Category: Peripheral antenna]]
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[[Category: Photosynthesis,plant photosynthetic reaction center]]
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[[Category: Plant membrane protein complex]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 06:54:18 2008''
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Crystal structure of plant photosystem I

PDB ID 1qzv

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