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Structure paper

TitleUntangling the sequence of events during the S2→ S3transition in photosystem II and implications for the water oxidation mechanism.
Journal, issue, pagesProc. Natl. Acad. Sci. USA, Vol. 117, Page 12624-12635, Year 2020
Publish dateMar 4, 2020 (structure data deposition date)
AuthorsIbrahim, M. / Fransson, T. / Chatterjee, R. / Cheah, M.H. / Hussein, R. / Lassalle, L. / Sutherlin, K.D. / Young, I.D. / Fuller, F.D. / Gul, S. ...Ibrahim, M. / Fransson, T. / Chatterjee, R. / Cheah, M.H. / Hussein, R. / Lassalle, L. / Sutherlin, K.D. / Young, I.D. / Fuller, F.D. / Gul, S. / Kim, I.S. / Simon, P.S. / de Lichtenberg, C. / Chernev, P. / Bogacz, I. / Pham, C.C. / Orville, A.M. / Saichek, N. / Northen, T. / Batyuk, A. / Carbajo, S. / Alonso-Mori, R. / Tono, K. / Owada, S. / Bhowmick, A. / Bolotovsky, R. / Mendez, D. / Moriarty, N.W. / Holton, J.M. / Dobbek, H. / Brewster, A.S. / Adams, P.D. / Sauter, N.K. / Bergmann, U. / Zouni, A. / Messinger, J. / Kern, J. / Yachandra, V.K. / Yano, J.
External linksProc. Natl. Acad. Sci. USA / PubMed:32434915
MethodsX-ray diffraction
Resolution2.01 - 2.27 Å
Structure data

PDB-6w1o:
RT XFEL structure of the dark-stable state of Photosystem II (0F, S1-rich) at 2.08 Angstrom resolution
Method: X-RAY DIFFRACTION / Resolution: 2.08 Å

PDB-6w1p:
RT XFEL structure of the one-flash state of Photosystem II (1F, S2-rich) at 2.26 Angstrom resolution
Method: X-RAY DIFFRACTION / Resolution: 2.26 Å

PDB-6w1q:
RT XFEL structure of Photosystem II 50 microseconds after the second illumination at 2.27 Angstrom resolution
Method: X-RAY DIFFRACTION / Resolution: 2.27 Å

PDB-6w1r:
RT XFEL structure of Photosystem II 150 microseconds after the second illumination at 2.23 Angstrom resolution
Method: X-RAY DIFFRACTION / Resolution: 2.23 Å

PDB-6w1t:
RT XFEL structure of Photosystem II 250 microseconds after the second illumination at 2.01 Angstrom resolution
Method: X-RAY DIFFRACTION / Resolution: 2.01 Å

PDB-6w1u:
RT XFEL structure of Photosystem II 400 microseconds after the second illumination at 2.09 Angstrom resolution
Method: X-RAY DIFFRACTION / Resolution: 2.09 Å

PDB-6w1v:
RT XFEL structure of the two-flash state of Photosystem II (2F, S3-rich) at 2.09 Angstrom resolution
Method: X-RAY DIFFRACTION / Resolution: 2.09 Å

Chemicals

ChemComp-FE2:
Unknown entry

ChemComp-CLA:
CHLOROPHYLL A / Chlorophyll a

ChemComp-PHO:
PHEOPHYTIN A / Pheophytin

ChemComp-BCR:
BETA-CAROTENE / Β-Carotene

ChemComp-CL:
Unknown entry / Chloride

ChemComp-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 / Plastoquinone

ChemComp-LMG:
1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE

ChemComp-SQD:
1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL

ChemComp-DGD:
DIGALACTOSYL DIACYL GLYCEROL (DGDG)

ChemComp-OEX:
CA-MN4-O5 CLUSTER

ChemComp-STE:
STEARIC ACID / Stearic acid

ChemComp-BCT:
BICARBONATE ION / pH buffer*YM / Bicarbonate

ChemComp-LHG:
1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE / phospholipid*YM / Phosphatidylglycerol

ChemComp-HEC:
HEME C / Heme C

ChemComp-HOH:
WATER / Water

ChemComp-NA:
Unknown entry

ChemComp-OEY:
CA-MN4-O6 CLUSTER

Source
  • thermosynechococcus elongatus (strain bp-1) (bacteria)
KeywordsPHOTOSYNTHESIS / water oxidation / membrane protein / light harvesting / electron transfer

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