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4fe1

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[[Image:4fe1.jpg|left|200px]]
 
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{{STRUCTURE_4fe1| PDB=4fe1 | SCENE= }}
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==Improving the Accuracy of Macromolecular Structure Refinement at 7 A Resolution==
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<StructureSection load='4fe1' size='340' side='right'caption='[[4fe1]], [[Resolution|resolution]] 4.92&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[4fe1]] is a 10 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermosynechococcus_vestitus_BP-1 Thermosynechococcus vestitus BP-1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4FE1 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4FE1 FirstGlance]. <br>
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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]] 4.9228&#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=BCR:BETA-CAROTENE'>BCR</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</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=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'>[https://proteopedia.org/fgij/fg.htm?mol=4fe1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4fe1 OCA], [https://pdbe.org/4fe1 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4fe1 RCSB], [https://www.ebi.ac.uk/pdbsum/4fe1 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4fe1 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PSAA_THEVB PSAA_THEVB] PsaA and PsaB bind P700, the primary electron donor of photosystem I (PSI), as well as the electron acceptors A0, A1 and FX. PSI is a plastocyanin/cytochrome c6-ferredoxin oxidoreductase, converting photonic excitation into a charge separation, which transfers an electron from the donor P700 chlorophyll pair to the spectroscopically characterized acceptors A0, A1, FX, FA and FB in turn. Oxidized P700 is reduced on the lumenal side of the thylakoid membrane by plastocyanin or cytochrome c6.<ref>PMID:10066799</ref> <ref>PMID:10066800</ref> <ref>PMID:11418848</ref> <ref>PMID:8901876</ref>
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===Improving the Accuracy of Macromolecular Structure Refinement at 7 A Resolution===
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==See Also==
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*[[Photosystem I 3D structures|Photosystem I 3D structures]]
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{{ABSTRACT_PUBMED_21293373}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[4fe1]] is a 12 chain structure with sequence from [http://en.wikipedia.org/wiki/Thermosynechococcus_elongatus Thermosynechococcus elongatus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4FE1 OCA].
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</StructureSection>
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[[Category: Large Structures]]
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==Reference==
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[[Category: Thermosynechococcus vestitus BP-1]]
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<ref group="xtra">PMID:021293373</ref><ref group="xtra">PMID:011418848</ref><ref group="xtra">PMID:020376006</ref><ref group="xtra">PMID:020124702</ref><references group="xtra"/>
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[[Category: Adams PD]]
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[[Category: Photosystem I]]
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[[Category: Brunger AT]]
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[[Category: Thermosynechococcus elongatus]]
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[[Category: Fromme P]]
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[[Category: Adams, P D.]]
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[[Category: Fromme R]]
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[[Category: Brunger, A T.]]
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[[Category: Levitt M]]
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[[Category: Fromme, P.]]
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[[Category: Schroeder GF]]
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[[Category: Fromme, R.]]
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[[Category: Levitt, M.]]
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[[Category: Schroeder, G F.]]
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[[Category: Chlorophyll]]
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[[Category: Chromophore]]
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[[Category: Electron transfer]]
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[[Category: Electron transport]]
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[[Category: Membrane]]
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[[Category: Membrane protein]]
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[[Category: Metal-binding]]
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[[Category: Photosynthesis]]
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[[Category: Photosystem]]
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[[Category: Photosystem i]]
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[[Category: Thylakoid]]
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[[Category: Thylakoidmembrane]]
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[[Category: Transmembrane]]
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Current revision

Improving the Accuracy of Macromolecular Structure Refinement at 7 A Resolution

PDB ID 4fe1

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