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6igz
From Proteopedia
(Difference between revisions)
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==Structure of PSI-LHCI== | ==Structure of PSI-LHCI== | ||
| - | <StructureSection load='6igz' size='340' side='right' caption='[[6igz]], [[Resolution|resolution]] 3.49Å' scene=''> | + | <StructureSection load='6igz' size='340' side='right'caption='[[6igz]], [[Resolution|resolution]] 3.49Å' scene=''> |
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[6igz]] is a 22 chain structure with sequence from [http://en.wikipedia.org/wiki/Bryopsis_corticulans Bryopsis corticulans], [http://en.wikipedia.org/wiki/Bryopsis_plumosa Bryopsis plumosa] and [http://en.wikipedia.org/wiki/Spinacia_oleracea Spinacia oleracea]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6IGZ OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6IGZ FirstGlance]. <br> | <table><tr><td colspan='2'>[[6igz]] is a 22 chain structure with sequence from [http://en.wikipedia.org/wiki/Bryopsis_corticulans Bryopsis corticulans], [http://en.wikipedia.org/wiki/Bryopsis_plumosa Bryopsis plumosa] and [http://en.wikipedia.org/wiki/Spinacia_oleracea Spinacia oleracea]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6IGZ OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6IGZ FirstGlance]. <br> | ||
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6igz FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6igz OCA], [http://pdbe.org/6igz PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6igz RCSB], [http://www.ebi.ac.uk/pdbsum/6igz PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6igz ProSAT]</span></td></tr> | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6igz FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6igz OCA], [http://pdbe.org/6igz PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6igz RCSB], [http://www.ebi.ac.uk/pdbsum/6igz PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6igz ProSAT]</span></td></tr> | ||
</table> | </table> | ||
| + | <div style="background-color:#fffaf0;"> | ||
| + | == Publication Abstract from PubMed == | ||
| + | Photosystem I (PSI) is a highly efficient natural light-energy converter, and has diverse light-harvesting antennas associated with its core in different photosynthetic organisms. In green algae, an extremely large light-harvesting complex I (LHCI) captures and transfers energy to the PSI core. Here, we report the structure of PSI-LHCI from a green alga Bryopsis corticulans at 3.49 A resolution, obtained by single-particle cryo-electron microscopy, which revealed 13 core subunits including subunits characteristic of both prokaryotes and eukaryotes, and 10 light-harvesting complex a (Lhca) antennas that form a double semi-ring and an additional Lhca dimer, including a novel four-transmembrane-helix Lhca. In total, 244 chlorophylls were identified, some of which were located at key positions for the fast energy transfer. These results provide a firm structural basis for unravelling the mechanisms of light-energy harvesting, transfer and quenching in the green algal PSI-LHCI, and important clues as to how PSI-LHCI has changed during evolution. | ||
| + | |||
| + | Structure of a green algal photosystem I in complex with a large number of light-harvesting complex I subunits.,Qin X, Pi X, Wang W, Han G, Zhu L, Liu M, Cheng L, Shen JR, Kuang T, Sui SF Nat Plants. 2019 Mar;5(3):263-272. doi: 10.1038/s41477-019-0379-y. Epub 2019 Mar , 8. PMID:30850820<ref>PMID:30850820</ref> | ||
| + | |||
| + | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | ||
| + | </div> | ||
| + | <div class="pdbe-citations 6igz" style="background-color:#fffaf0;"></div> | ||
| + | == References == | ||
| + | <references/> | ||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
[[Category: Bryopsis corticulans]] | [[Category: Bryopsis corticulans]] | ||
[[Category: Bryopsis plumosa]] | [[Category: Bryopsis plumosa]] | ||
| + | [[Category: Large Structures]] | ||
[[Category: Spinacia oleracea]] | [[Category: Spinacia oleracea]] | ||
[[Category: Xiaochun, Q]] | [[Category: Xiaochun, Q]] | ||
Revision as of 08:19, 3 April 2019
Structure of PSI-LHCI
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