7ymi: Difference between revisions

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<table><tr><td colspan='2'>[[7ymi]] is a 20 chain structure with sequence from [https://en.wikipedia.org/wiki/Acaryochloris_marina_MBIC11017 Acaryochloris marina MBIC11017]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7YMI OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7YMI FirstGlance]. <br>
<table><tr><td colspan='2'>[[7ymi]] is a 20 chain structure with sequence from [https://en.wikipedia.org/wiki/Acaryochloris_marina_MBIC11017 Acaryochloris marina MBIC11017]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7YMI OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7YMI FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 3.3&#8491;</td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 3.3&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=8CT:(6R,11cis,11cis,13cis,15cis)-4,5-didehydro-5,6-dihydro-beta,beta-carotene'>8CT</scene>, <scene name='pdbligand=BCT:BICARBONATE+ION'>BCT</scene>, <scene name='pdbligand=CL7:CHLOROPHYLL+D'>CL7</scene>, <scene name='pdbligand=DGD:DIGALACTOSYL+DIACYL+GLYCEROL+(DGDG)'>DGD</scene>, <scene name='pdbligand=FE2:FE+(II)+ION'>FE2</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=LHG:1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE'>LHG</scene>, <scene name='pdbligand=LMG:1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE'>LMG</scene>, <scene name='pdbligand=PHO:PHEOPHYTIN+A'>PHO</scene>, <scene name='pdbligand=PL9:2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE'>PL9</scene>, <scene name='pdbligand=SQD:1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL'>SQD</scene>, <scene name='pdbligand=ZEX:(3S,5R,6S,3S,5R,6S)+BETA-CAROTENE-3,23-DIOL'>ZEX</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=7ymi FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7ymi OCA], [https://pdbe.org/7ymi PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7ymi RCSB], [https://www.ebi.ac.uk/pdbsum/7ymi PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7ymi 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=7ymi FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7ymi OCA], [https://pdbe.org/7ymi PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7ymi RCSB], [https://www.ebi.ac.uk/pdbsum/7ymi PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7ymi ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[https://www.uniprot.org/uniprot/PSBA2_ACAM1 PSBA2_ACAM1]  
[https://www.uniprot.org/uniprot/B0C5R5_ACAM1 B0C5R5_ACAM1]  
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Acaryochloris marina is a unique cyanobacterium using chlorophyll d (Chl d) as its major pigment and thus can use far-red light for photosynthesis. Photosystem II (PSII) of A. marina associates with a number of prochlorophyte Chl-binding (Pcb) proteins to act as the light-harvesting system. We report here the cryo-electron microscopic structure of a PSII-Pcb megacomplex from A. marina at a 3.6-angstrom overall resolution and a 3.3-angstrom local resolution. The megacomplex is organized as a tetramer consisting of two PSII core dimers flanked by sixteen symmetrically related Pcb proteins, with a total molecular weight of 1.9 megadaltons. The structure reveals the detailed organization of PSII core consisting of 15 known protein subunits and an unknown subunit, the assembly of 4 Pcb antennas within each PSII monomer, and possible pathways of energy transfer within the megacomplex, providing deep insights into energy transfer and dissipation mechanisms within the PSII-Pcb megacomplex involved in far-red light utilization.
 
Structure of a unique PSII-Pcb tetrameric megacomplex in a chlorophyll d-containing cyanobacterium.,Shen L, Gao Y, Tang K, Qi R, Fu L, Chen JH, Wang W, Ma X, Li P, Chen M, Kuang T, Zhang X, Shen JR, Wang P, Han G Sci Adv. 2024 Feb 23;10(8):eadk7140. doi: 10.1126/sciadv.adk7140. Epub 2024 Feb , 23. PMID:38394197<ref>PMID:38394197</ref>
 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 7ymi" style="background-color:#fffaf0;"></div>
 
==See Also==
*[[Photosystem II 3D structures|Photosystem II 3D structures]]
== References ==
<references/>
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</StructureSection>
</StructureSection>

Latest revision as of 05:49, 4 September 2024

PSII-Pcb Dimer of Acaryochloris Marina

7ymi, resolution 3.30Å

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