3bsd

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[[Image:3bsd.jpg|left|200px]]
 
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{{Structure
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==Light harvesting protein from RC of Chlorobium tepidum==
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|PDB= 3bsd |SIZE=350|CAPTION= <scene name='initialview01'>3bsd</scene>, resolution 2.30&Aring;
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<StructureSection load='3bsd' size='340' side='right'caption='[[3bsd]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene> and <scene name='pdbligand=BCL:BACTERIOCHLOROPHYLL A'>BCL</scene>
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<table><tr><td colspan='2'>[[3bsd]] is a 1 chain structure with sequence from [https://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 [https://proteopedia.org/fgij/fg.htm?mol=3BSD FirstGlance]. <br>
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|ACTIVITY=
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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]] 2.3&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BCL:BACTERIOCHLOROPHYLL+A'>BCL</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
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}}
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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=3bsd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3bsd OCA], [https://pdbe.org/3bsd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3bsd RCSB], [https://www.ebi.ac.uk/pdbsum/3bsd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3bsd ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/BCPA_CHLTE BCPA_CHLTE] Intermediary in the transfer of excitation energy from the chlorophyll to the reaction centers.
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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/main_output.php?pdb_ID=3bsd 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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'''Light harvesting protein from RC of Chlorobium tepidum'''
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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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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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==About this Structure==
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</div>
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3BSD is a [[Single protein]] structure of 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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<div class="pdbe-citations 3bsd" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Chlorobaculum tepidum]]
[[Category: Chlorobaculum tepidum]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Brn-Shem, A.]]
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[[Category: Brn-Shem A]]
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[[Category: Frolow, F.]]
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[[Category: Frolow F]]
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[[Category: Nelson, N.]]
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[[Category: Nelson N]]
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[[Category: BCL]]
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[[Category: MG]]
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[[Category: bacteriochlorophyll]]
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[[Category: chlorophyll]]
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[[Category: chromophore]]
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[[Category: electron transport]]
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[[Category: green bacteria]]
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[[Category: light harvesting]]
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[[Category: magnesium]]
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[[Category: metal-binding]]
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[[Category: photosynthesis]]
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[[Category: reaction center]]
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[[Category: transport]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 19:00:58 2008''
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Current revision

Light harvesting protein from RC of Chlorobium tepidum

PDB ID 3bsd

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