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  • Bhowmick, AsmitMolecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (författare)

Structural evidence for intermediates during O2 formation in photosystem II

  • Artikel/kapitelEngelska2023

Förlag, utgivningsår, omfång ...

  • Springer Nature,2023
  • electronicrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:umu-208257
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-208257URI
  • https://doi.org/10.1038/s41586-023-06038-zDOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-331592URI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-502685URI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Errata: Bhowmick, A., Hussein, R., Bogacz, I. et al. Author Correction: Structural evidence for intermediates during O2 formation in photosystem II. Nature (2024). DOI: 10.1038/s41586-024-07099-4
  • QC 20230712
  • In natural photosynthesis, the light-driven splitting of water into electrons, protons and molecular oxygen forms the first step of the solar-to-chemical energy conversion process. The reaction takes place in photosystem II, where the Mn4CaO5 cluster first stores four oxidizing equivalents, the S0 to S4 intermediate states in the Kok cycle, sequentially generated by photochemical charge separations in the reaction center and then catalyzes the O–O bond formation chemistry. Here, we report room temperature snapshots by serial femtosecond X-ray crystallography to provide structural insights into the final reaction step of Kok’s photosynthetic water oxidation cycle, the S3→[S4]→S0 transition where O2 is formed and Kok’s water oxidation clock is reset. Our data reveal a complex sequence of events, which occur over micro- to milliseconds, comprising changes at the Mn4CaO5 cluster, its ligands and water pathways as well as controlled proton release through the hydrogen-bonding network of the Cl1 channel. Importantly, the extra O atom Ox, which was introduced as a bridging ligand between Ca and Mn1 during the S2→S3 transition, disappears or relocates in parallel with Yz reduction starting at approximately 700 μs after the third flash. The onset of O2 evolution, as indicated by the shortening of the Mn1–Mn4 distance, occurs at around 1,200 μs, signifying the presence of a reduced intermediate, possibly a bound peroxide.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Hussein, RanaDepartment of Biology, Humboldt Universität zu Berlin, Berlin, Germany (författare)
  • Bogacz, IsabelMolecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (författare)
  • Simon, Philipp S.Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (författare)
  • Ibrahim, MohamedDepartment of Biology, Humboldt Universität zu Berlin, Berlin, Germany; Institute of Molecular Medicine, University of Lübeck, Lübeck, Germany (författare)
  • Chatterjee, RuchiraMolecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (författare)
  • Doyle, Margaret D.Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (författare)
  • Cheah, Mun HonUppsala universitet,Molekylär biomimetik(Swepub:uu)munch343 (författare)
  • Fransson, ThomasKTH,Teoretisk kemi och biologi(Swepub:kth)u1omt38n (författare)
  • Chernev, PetkoUppsala universitet,Molekylär biomimetik(Swepub:uu)petch350 (författare)
  • Kim, In-SikMolecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (författare)
  • Makita, HirokiMolecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (författare)
  • Dasgupta, MedhanjaliMolecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (författare)
  • Kaminsky, Corey J.Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (författare)
  • Zhang, MiaoMolecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (författare)
  • Gätcke, JuliaDepartment of Biology, Humboldt Universität zu Berlin, Berlin, Germany (författare)
  • Haupt, StephanieDepartment of Biology, Humboldt Universität zu Berlin, Berlin, Germany (författare)
  • Nangca, Isabela I.Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (författare)
  • Keable, Stephen M.Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (författare)
  • Aydin, A. OrkunUppsala universitet,Molekylär biomimetik(Swepub:uu)orkay440 (författare)
  • Tono, KensukeJapan Synchrotron Radiation Research Institute, Hyogo, Japan; RIKEN SPring-8 Center, Hyogo, Japan (författare)
  • Owada, ShigekiJapan Synchrotron Radiation Research Institute, Hyogo, Japan; RIKEN SPring-8 Center, Hyogo, Japan (författare)
  • Gee, Leland B.Linac Coherent Light Source, SLAC National Accelerator Laboratory, CA, Menlo Park, United States (författare)
  • Fuller, Franklin D.Linac Coherent Light Source, SLAC National Accelerator Laboratory, CA, Menlo Park, United States (författare)
  • Batyuk, AlexanderLinac Coherent Light Source, SLAC National Accelerator Laboratory, CA, Menlo Park, United States (författare)
  • Alonso-Mori, RobertoLinac Coherent Light Source, SLAC National Accelerator Laboratory, CA, Menlo Park, United States (författare)
  • Holton, James M.Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States; Department of Biochemistry and Biophysics, University of California, CA, San Francisco, United States; SSRL, SLAC National Accelerator Laboratory, CA, Menlo Park, United States (författare)
  • Paley, Daniel W.Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (författare)
  • Moriarty, Nigel W.Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (författare)
  • Mamedov, Fikret,Ph.D., Dr.Sci.Uppsala universitet,Molekylär biomimetik(Swepub:uu)fimam179 (författare)
  • Adams, Paul D.Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States; Department of Bioengineering, University of California, CA, Berkeley, United States (författare)
  • Brewster, Aaron S.Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (författare)
  • Dobbek, HolgerDepartment of Biology, Humboldt Universität zu Berlin, Berlin, Germany (författare)
  • Sauter, Nicholas K.Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (författare)
  • Bergmann, UweDepartment of Physics, University of Wisconsin–Madison, WI, Madison, United States,Department of Physics, University of Wisconsin–Madison, Madison, WI, USA (författare)
  • Zouni, AthinaDepartment of Biology, Humboldt Universität zu Berlin, Berlin, Germany (författare)
  • Messinger, Johannes,1963-Uppsala universitet,Umeå universitet,Kemiska institutionen,Molecular Biomimetics, Department of Chemistry — Ångström, Uppsala University, Uppsala, Sweden; Department of Chemistry, Umeå University, Umeå, Sweden,Molekylär biomimetik(Swepub:uu)johme269 (författare)
  • Kern, JanMolecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (författare)
  • Yano, JunkoMolecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (författare)
  • Yachandra, Vittal K.Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (författare)
  • Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, CA, Berkeley, United StatesDepartment of Biology, Humboldt Universität zu Berlin, Berlin, Germany (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Nature: Springer Nature617:7961, s. 629-6360028-08361476-4687

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