Structural changes in the Mn4Ca cluster and the mechanism of photosynthetic water splitting.

@article{Pushkar2008StructuralCI,
  title={Structural changes in the Mn4Ca cluster and the mechanism of photosynthetic water splitting.},
  author={Yulia Pushkar and Junko Yano and Kenneth Sauer and Alain Boussac and Vittal K. Yachandra},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2008},
  volume={105 6},
  pages={1879-84}
}
Photosynthetic water oxidation, where water is oxidized to dioxygen, is a fundamental chemical reaction that sustains the biosphere. This reaction is catalyzed by a Mn4Ca complex in the photosystem II (PS II) oxygen-evolving complex (OEC): a multiprotein assembly embedded in the thylakoid membranes of green plants, cyanobacteria, and algae. The mechanism of photosynthetic water oxidation by the Mn4Ca cluster in photosystem II is the subject of much debate, although lacking structural… CONTINUE READING