3bsd

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[[Image:3bsd.png|left|200px]]
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==Light harvesting protein from RC of Chlorobium tepidum==
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<StructureSection load='3bsd' size='340' side='right' caption='[[3bsd]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3bsd]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Chlorobaculum_tepidum Chlorobaculum tepidum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3BSD OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3BSD FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BCL:BACTERIOCHLOROPHYLL+A'>BCL</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene><br>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3bsd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3bsd OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3bsd RCSB], [http://www.ebi.ac.uk/pdbsum/3bsd PDBsum]</span></td></tr>
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<table>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/bs/3bsd_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The evolution of photosystem (PS) I was probably initiated by the formation of a homodimeric reaction center similar to the one currently present in green bacteria. Gene duplication has generated a heterodimeric reaction center that subsequently evolved to the PSI present in cyanobacteria, algae and plant chloroplasts. During the evolution of PSI several attempts to maximize the efficiency of light harvesting took place in the various organisms. In the Chlorobiaceae, chlorosomes and FMO were added to the homodimeric reaction center. In cyanobacteria phycobilisomes and CP43' evolved to cope with the light limitations and stress conditions. The plant PSI utilizes a modular arrangement of membrane light-harvesting proteins (LHCI). We obtained structural information from the two ends of the evolutionary spectrum. Novel features in the structure of Chlorobium tepidum FMO are reported in this communication. Our structure of plant PSI reveals that the addition of subunit G provided the template for LHCI binding, and the addition of subunit H prevented the possibility of trimer formation and provided a binding site for LHCII and the onset of energy spillover from PSII to PSI.
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{{STRUCTURE_3bsd| PDB=3bsd | SCENE= }}
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Evolution of photosystem I - from symmetry through pseudo-symmetry to asymmetry.,Ben-Shem A, Frolow F, Nelson N FEBS Lett. 2004 Apr 30;564(3):274-80. PMID:15111109<ref>PMID:15111109</ref>
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===Light harvesting protein from RC of Chlorobium tepidum===
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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{{ABSTRACT_PUBMED_15111109}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[3bsd]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Chlorobaculum_tepidum Chlorobaculum tepidum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3BSD OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:015111109</ref><references group="xtra"/>
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[[Category: Chlorobaculum tepidum]]
[[Category: Chlorobaculum tepidum]]
[[Category: Brn-Shem, A.]]
[[Category: Brn-Shem, A.]]

Revision as of 21:02, 2 October 2014

Light harvesting protein from RC of Chlorobium tepidum

3bsd, resolution 2.30Å

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