6a2w

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Current revision (10:30, 27 March 2024) (edit) (undo)
 
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<StructureSection load='6a2w' size='340' side='right'caption='[[6a2w]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
<StructureSection load='6a2w' size='340' side='right'caption='[[6a2w]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[6a2w]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Phaeodactylum_tricornutum_ccap_1055/1 Phaeodactylum tricornutum ccap 1055/1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6A2W OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6A2W FirstGlance]. <br>
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<table><tr><td colspan='2'>[[6a2w]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Phaeodactylum_tricornutum_CCAP_1055/1 Phaeodactylum tricornutum CCAP 1055/1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6A2W OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6A2W FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=A86:(3S,3S,5R,5R,6S,6R,8R)-3,5-dihydroxy-8-oxo-6,7-didehydro-5,5,6,6,7,8-hexahydro-5,6-epoxy-beta,beta-caroten-3-+yl+acetate'>A86</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=CLA:CHLOROPHYLL+A'>CLA</scene>, <scene name='pdbligand=DD6:(3S,3R,5R,6S,7cis)-7,8-didehydro-5,6-dihydro-5,6-epoxy-beta,beta-carotene-3,3-diol'>DD6</scene>, <scene name='pdbligand=DGD:DIGALACTOSYL+DIACYL+GLYCEROL+(DGDG)'>DGD</scene>, <scene name='pdbligand=KC1:Chlorophyll+c1'>KC1</scene>, <scene name='pdbligand=KC2:Chlorophyll+c2'>KC2</scene>, <scene name='pdbligand=LHG:1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE'>LHG</scene>, <scene name='pdbligand=LMT:DODECYL-BETA-D-MALTOSIDE'>LMT</scene>, <scene name='pdbligand=SOG:2-HYDROXYMETHYL-6-OCTYLSULFANYL-TETRAHYDRO-PYRAN-3,4,5-TRIOL'>SOG</scene>, <scene name='pdbligand=UNL:UNKNOWN+LIGAND'>UNL</scene></td></tr>
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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]] 1.8&#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=A86:(3S,3S,5R,5R,6S,6R,8R)-3,5-dihydroxy-8-oxo-6,7-didehydro-5,5,6,6,7,8-hexahydro-5,6-epoxy-beta,beta-caroten-3-+yl+acetate'>A86</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=CLA:CHLOROPHYLL+A'>CLA</scene>, <scene name='pdbligand=DD6:(3S,3R,5R,6S,7cis)-7,8-didehydro-5,6-dihydro-5,6-epoxy-beta,beta-carotene-3,3-diol'>DD6</scene>, <scene name='pdbligand=DGD:DIGALACTOSYL+DIACYL+GLYCEROL+(DGDG)'>DGD</scene>, <scene name='pdbligand=KC1:Chlorophyll+c1'>KC1</scene>, <scene name='pdbligand=KC2:Chlorophyll+c2'>KC2</scene>, <scene name='pdbligand=LHG:1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE'>LHG</scene>, <scene name='pdbligand=LMT:DODECYL-BETA-D-MALTOSIDE'>LMT</scene>, <scene name='pdbligand=SOG:2-HYDROXYMETHYL-6-OCTYLSULFANYL-TETRAHYDRO-PYRAN-3,4,5-TRIOL'>SOG</scene>, <scene name='pdbligand=UNL:UNKNOWN+LIGAND'>UNL</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=6a2w FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6a2w OCA], [https://pdbe.org/6a2w PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6a2w RCSB], [https://www.ebi.ac.uk/pdbsum/6a2w PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6a2w ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=6a2w FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6a2w OCA], [https://pdbe.org/6a2w PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6a2w RCSB], [https://www.ebi.ac.uk/pdbsum/6a2w PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6a2w ProSAT]</span></td></tr>
</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[https://www.uniprot.org/uniprot/B7FRW2_PHATC B7FRW2_PHATC]
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Diatoms are abundant photosynthetic organisms in aquatic environments and contribute 40% of its primary productivity. An important factor that contributes to the success of diatoms is their fucoxanthin chlorophyll a/c-binding proteins (FCPs), which have exceptional light-harvesting and photoprotection capabilities. Here, we report the crystal structure of an FCP from the marine diatom Phaeodactylum tricornutum, which reveals the binding of seven chlorophylls (Chls) a, two Chls c, seven fucoxanthins (Fxs), and probably one diadinoxanthin within the protein scaffold. Efficient energy transfer pathways can be found between Chl a and c, and each Fx is surrounded by Chls, enabling the energy transfer and quenching via Fx highly efficient. The structure provides a basis for elucidating the mechanisms of blue-green light harvesting, energy transfer, and dissipation in diatoms.
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Structural basis for blue-green light harvesting and energy dissipation in diatoms.,Wang W, Yu LJ, Xu C, Tomizaki T, Zhao S, Umena Y, Chen X, Qin X, Xin Y, Suga M, Han G, Kuang T, Shen JR Science. 2019 Feb 8;363(6427). pii: 363/6427/eaav0365. doi:, 10.1126/science.aav0365. PMID:30733387<ref>PMID:30733387</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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</div>
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<div class="pdbe-citations 6a2w" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Phaeodactylum tricornutum ccap 1055/1]]
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[[Category: Phaeodactylum tricornutum CCAP 1055/1]]
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[[Category: Kuang, T Y]]
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[[Category: Kuang TY]]
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[[Category: Shen, J R]]
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[[Category: Shen JR]]
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[[Category: Wang, W]]
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[[Category: Wang W]]
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[[Category: Yu, L J]]
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[[Category: Yu LJ]]
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[[Category: Diatom]]
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[[Category: Fucoxanthin]]
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[[Category: Light-harvesting]]
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[[Category: Photosynthesis]]
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Current revision

Crystal structure of fucoxanthin chlorophyll a/c complex from Phaeodactylum tricornutum

PDB ID 6a2w

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