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4q54

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'''Unreleased structure'''
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==Serial Time-resolved crystallography of Photosystem II using a femtosecond X-ray laser The S state after two flashes(S3)==
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<StructureSection load='4q54' size='340' side='right' caption='[[4q54]], [[Resolution|resolution]] 5.50&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[4q54]] is a 38 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=4Q54 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4Q54 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BCR:BETA-CAROTENE'>BCR</scene>, <scene name='pdbligand=BCT:BICARBONATE+ION'>BCT</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=CLA:CHLOROPHYLL+A'>CLA</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=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=OEX:CA-MN4-O5+CLUSTER'>OEX</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><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3arc|3arc]], [[2axt|2axt]]</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Photosystem_II Photosystem II], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.10.3.9 1.10.3.9] </span></td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4q54 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4q54 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4q54 RCSB], [http://www.ebi.ac.uk/pdbsum/4q54 PDBsum]</span></td></tr>
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<table>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Photosystem II is the site of photosynthetic water oxidation and contains 20 subunits with a total molecular mass of 350 kDa. The structure of photosystem II has been reported at resolutions from 3.8 to 2.9 A. These resolutions have provided much information on the arrangement of protein subunits and cofactors but are insufficient to reveal the detailed structure of the catalytic centre of water splitting. Here we report the crystal structure of photosystem II at a resolution of 1.9 A. From our electron density map, we located all of the metal atoms of the Mn(4)CaO(5) cluster, together with all of their ligands. We found that five oxygen atoms served as oxo bridges linking the five metal atoms, and that four water molecules were bound to the Mn(4)CaO(5) cluster; some of them may therefore serve as substrates for dioxygen formation. We identified more than 1,300 water molecules in each photosystem II monomer. Some of them formed extensive hydrogen-bonding networks that may serve as channels for protons, water or oxygen molecules. The determination of the high-resolution structure of photosystem II will allow us to analyse and understand its functions in great detail.
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The entry 4q54 is ON HOLD
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Crystal structure of oxygen-evolving photosystem II at a resolution of 1.9 A.,Umena Y, Kawakami K, Shen JR, Kamiya N Nature. 2011 May 5;473(7345):55-60. Epub 2011 Apr 17. PMID:21499260<ref>PMID:21499260</ref>
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Authors: Kupitz, C., Basu, S., Grotjohann, I., Fromme, R., Zatsepin, N., Rendek, K. N., Hunter, M., Shoeman, R. L. , White, T. A., Wang, D. , James, D., Yang, J-H., Cobb, D. E., Reeder,B., Sierra, R. G. , Liu, H., Barty, A., Aquila, A., Deponte, D., Kirian, R. A., Bari, S. , Bergkamp, J.J. , Beyerlein, K, Bogan, M. J. , Caleman, C., Chao, T-C., Conrad, C.E., Davis, K.M., Fleckenstein, H., Galli, L., Hau-Riege, S.P., Kassemeyer, S. , Laksmono, H. , Liang, M. , Lomb, L. , Marchesini, S., Martin, A.V. , Messerschmidt, M. , Milathianaki, D., Nass, K., Ros, A. , Roy-Chowdhury, S., Schmidt, K., Seibert, M., Steinbrener, J., Stellato, F., Yan, L., Yoon, C., Moore, T. A., Moore, A. L., Pushkar, Y, Williams,
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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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Description: Serial Time-resolved crystallography of Photosystem II using a femtosecond X-ray laser The S state after two flashes(S3)
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Photosystem II]]
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[[Category: Thermosynechococcus elongatus]]
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[[Category: Aquila, A.]]
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[[Category: Bari, S.]]
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[[Category: Barty, A.]]
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[[Category: Basu, S.]]
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[[Category: Bergkamp, J J.]]
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[[Category: Beyerlein, K]]
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[[Category: Bogan, M J.]]
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[[Category: Boutet, S.]]
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[[Category: Caleman, C.]]
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[[Category: Chao, T-C.]]
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[[Category: Chapman, H N.]]
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[[Category: Cobb, D E.]]
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[[Category: Conrad, C E.]]
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[[Category: Davis, K M.]]
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[[Category: Deponte, D.]]
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[[Category: Doak, R B.]]
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[[Category: Fleckenstein, H.]]
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[[Category: Frank, M.]]
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[[Category: Fromme, P.]]
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[[Category: Fromme, R.]]
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[[Category: Galli, L.]]
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[[Category: Grotjohann, I.]]
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[[Category: Hau-Riege, S P.]]
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[[Category: Hunter, M.]]
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[[Category: James, D.]]
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[[Category: Kassemeyer, S.]]
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[[Category: Kirian, R A.]]
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[[Category: Kupitz, C.]]
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[[Category: Laksmono, H.]]
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[[Category: Liang, M.]]
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[[Category: Liu, H.]]
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[[Category: Lomb, L.]]
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[[Category: Marchesini, S.]]
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[[Category: Martin, A V.]]
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[[Category: Messerschmidt, M.]]
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[[Category: Milathianaki, D.]]
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[[Category: Moore, A L.]]
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[[Category: Moore, T A.]]
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[[Category: Nass, K.]]
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[[Category: Pushkar, Y]]
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[[Category: Reeder, B.]]
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[[Category: Rendek, K N.]]
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[[Category: Ros, A.]]
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[[Category: Roy-Chowdhury, S.]]
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[[Category: Schmidt, K.]]
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[[Category: Seibert, M.]]
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[[Category: Shoeman, R L.]]
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[[Category: Sierra, R G.]]
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[[Category: Spence, J C.H.]]
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[[Category: Steinbrener, J.]]
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[[Category: Stellato, F.]]
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[[Category: Wang, D.]]
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[[Category: Weierstall, U.]]
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[[Category: White, T A.]]
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[[Category: Williams, G J.]]
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[[Category: Yan, L.]]
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[[Category: Yang, J-H.]]
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[[Category: Yoon, C.]]
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[[Category: Zatsepin, N.]]
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[[Category: Electron transport]]
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[[Category: Free electron laser]]
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[[Category: Photosystem ii]]
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[[Category: Time resolved]]

Revision as of 10:20, 16 July 2014

Serial Time-resolved crystallography of Photosystem II using a femtosecond X-ray laser The S state after two flashes(S3)

4q54, resolution 5.50Å

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