6nwa

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==The structure of the photosystem I IsiA super-complex==
==The structure of the photosystem I IsiA super-complex==
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<StructureSection load='6nwa' size='340' side='right'caption='[[6nwa]], [[Resolution|resolution]] 3.48&Aring;' scene=''>
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<SX load='6nwa' size='340' side='right' viewer='molstar' caption='[[6nwa]], [[Resolution|resolution]] 3.48&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[6nwa]] is a 51 chain structure with sequence from [http://en.wikipedia.org/wiki/Synechocystis_sp._pcc_6803 Synechocystis sp. pcc 6803]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6NWA OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6NWA FirstGlance]. <br>
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<table><tr><td colspan='2'>[[6nwa]] is a 45 chain structure with sequence from [https://en.wikipedia.org/wiki/Synechocystis_sp._PCC_6803 Synechocystis sp. PCC 6803]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6NWA OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6NWA FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BCR:BETA-CAROTENE'>BCR</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=CL0:CHLOROPHYLL+A+ISOMER'>CL0</scene>, <scene name='pdbligand=CLA:CHLOROPHYLL+A'>CLA</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=LMT:DODECYL-BETA-D-MALTOSIDE'>LMT</scene>, <scene name='pdbligand=PQN:PHYLLOQUINONE'>PQN</scene>, <scene name='pdbligand=SF4:IRON/SULFUR+CLUSTER'>SF4</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">Electron Microscopy, [[Resolution|Resolution]] 3.48&#8491;</td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Photosystem_I Photosystem I], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.97.1.12 1.97.1.12] </span></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=BCR:BETA-CAROTENE'>BCR</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=CL0:CHLOROPHYLL+A+ISOMER'>CL0</scene>, <scene name='pdbligand=CLA:CHLOROPHYLL+A'>CLA</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=LMT:DODECYL-BETA-D-MALTOSIDE'>LMT</scene>, <scene name='pdbligand=PQN:PHYLLOQUINONE'>PQN</scene>, <scene name='pdbligand=SF4:IRON/SULFUR+CLUSTER'>SF4</scene></td></tr>
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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=6nwa FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6nwa OCA], [http://pdbe.org/6nwa PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6nwa RCSB], [http://www.ebi.ac.uk/pdbsum/6nwa PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6nwa ProSAT]</span></td></tr>
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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=6nwa FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6nwa OCA], [https://pdbe.org/6nwa PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6nwa RCSB], [https://www.ebi.ac.uk/pdbsum/6nwa PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6nwa ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/ISIA_SYNY3 ISIA_SYNY3]] Functions as an antenna for photosystem I (PSI) under iron-limiting conditions, when phycobilisomes disappear. In the (PSI)3(Isi3)18 complex most of the harvested energy is probably used by PSI; in other PSI-containing supercomplexes a large part of the energy will probably not be used for light harvesting, but rather is dissipated to protect the organism from light damage.<ref>PMID:11507643</ref> <ref>PMID:16086587</ref> [[http://www.uniprot.org/uniprot/PSAE_SYNY3 PSAE_SYNY3]] Stabilizes the interaction between PsaC and the PSI core, assists the docking of the ferredoxin to PSI and interacts with ferredoxin-NADP oxidoreductase.[HAMAP-Rule:MF_00613]
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[https://www.uniprot.org/uniprot/PSAD_SYNY3 PSAD_SYNY3]
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== References ==
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<references/>
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==See Also==
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*[[Photosystem I 3D structures|Photosystem I 3D structures]]
__TOC__
__TOC__
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</StructureSection>
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</SX>
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Photosystem I]]
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[[Category: Synechocystis sp. PCC 6803]]
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[[Category: Synechocystis sp. pcc 6803]]
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[[Category: Chiu PL]]
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[[Category: Chiu, P L]]
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[[Category: Li J]]
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[[Category: Li, J]]
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[[Category: Mazor Y]]
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[[Category: Mazor, Y]]
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[[Category: Toporik H]]
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[[Category: Toporik, H]]
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[[Category: Williams D]]
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[[Category: Williams, D]]
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[[Category: Antenna]]
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[[Category: Chlorophyll]]
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[[Category: Membrane]]
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[[Category: Photosynthesis]]
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[[Category: Photosystem]]
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Current revision

The structure of the photosystem I IsiA super-complex

6nwa, resolution 3.48Å

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