Functional implications on the mechanism of the function of photosystem II including water oxidation based on the structure of photosystem II

Petra Fromme, Jan Kern, Bernhard Loll, Jaceck Biesiadka, Wolfram Saenger, Horst T. Witt, Norbert Krauss, Athina Zouni, S. Styring, A. W. Rutherford, R. D. Britt, W. Junge, C. Dismukes

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

The structure of photosystem I at 3.8 Å resolution illustrated the main structural elements of the water-oxidizing photosystem II complex, including the constituents of the electron transport chain. The location of the Mn cluster within the complex has been identified for the first time to our knowledge. At this resolution, no individual atoms are visible, however, the electron density of the Mn cluster can be used to discuss both the present models of the Mn cluster as revealed from various spectroscopic methods and the implications for the mechanisms of water oxidation. Twenty-six chlorophylls from the antenna system of photosystem II have been identified. They are arranged in two layers, one close to the stromal side and one close to the lumenal side. Comparing the structure of the antenna system of photosystem II with the chlorophyll arrangement in photosystem I, which was recently determined at 2.5 Å resolution shows that photosystem II lacks the central domain of the photosystem I antenna, which is discussed in respect of the repair cycle of photosystem II due to photoinhibition.

Original languageEnglish (US)
Pages (from-to)1337-1345
Number of pages9
JournalPhilosophical Transactions of the Royal Society B: Biological Sciences
Volume357
Issue number1426
DOIs
StatePublished - Oct 29 2002
Externally publishedYes

Fingerprint

Photosystem II Protein Complex
photosystem II
antenna
Photosystem I Protein Complex
oxidation
photosystem I
Oxidation
Water
antennae
chlorophyll
Chlorophyll
Antennas
photoinhibition
water
electron density
repair
electron transport chain
electron
Electron Transport
Carrier concentration

Keywords

  • Crystal structure
  • Electron transfer
  • Photosystem II
  • Water oxidation

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Agricultural and Biological Sciences (miscellaneous)

Cite this

Functional implications on the mechanism of the function of photosystem II including water oxidation based on the structure of photosystem II. / Fromme, Petra; Kern, Jan; Loll, Bernhard; Biesiadka, Jaceck; Saenger, Wolfram; Witt, Horst T.; Krauss, Norbert; Zouni, Athina; Styring, S.; Rutherford, A. W.; Britt, R. D.; Junge, W.; Dismukes, C.

In: Philosophical Transactions of the Royal Society B: Biological Sciences, Vol. 357, No. 1426, 29.10.2002, p. 1337-1345.

Research output: Contribution to journalArticle

Fromme, P, Kern, J, Loll, B, Biesiadka, J, Saenger, W, Witt, HT, Krauss, N, Zouni, A, Styring, S, Rutherford, AW, Britt, RD, Junge, W & Dismukes, C 2002, 'Functional implications on the mechanism of the function of photosystem II including water oxidation based on the structure of photosystem II', Philosophical Transactions of the Royal Society B: Biological Sciences, vol. 357, no. 1426, pp. 1337-1345. https://doi.org/10.1098/rstb.2002.1143
Fromme, Petra ; Kern, Jan ; Loll, Bernhard ; Biesiadka, Jaceck ; Saenger, Wolfram ; Witt, Horst T. ; Krauss, Norbert ; Zouni, Athina ; Styring, S. ; Rutherford, A. W. ; Britt, R. D. ; Junge, W. ; Dismukes, C. / Functional implications on the mechanism of the function of photosystem II including water oxidation based on the structure of photosystem II. In: Philosophical Transactions of the Royal Society B: Biological Sciences. 2002 ; Vol. 357, No. 1426. pp. 1337-1345.
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