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A Functional Model for O-O Bond Formation by the O 2 -Evolving Complex in Photosystem II
Abstract
The formation of molecular oxygen from water in photosynthesis is catalyzed by photosystem II at an active site containing four manganese ions that are arranged in di-μ-oxo dimanganese units (where μ is a bridging mode). The complex [H 2 O(terpy)Mn(O) 2 Mn(terpy)OH 2 ](NO 3 ) 3 (terpy is 2,2′:6′,2"-terpyridine), which was synthesized and structurally characterized, contains a di-μ-oxo manganese dimer and catalyzes the conversion of sodium hypochlorite to molecular oxygen. Oxygen-18 isotope labeling showed that water is the source of the oxygen atoms in the molecular oxygen evolved, and so this system is a functional model for photosynthetic water oxidation.
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Citations
Cited by
Photosynthetic energy conversion: natural and artificial
Barber, J. (2009) · Chem. Soc. Rev. · doi:10.1039/b802262n · Cited by 1,843
Proton-coupled electron transfer
Huynh, M. H. V., & Meyer, T. J. (2007) · Chemical Reviews · doi:10.1021/cr0500030 · Cited by 1,659
You, Y., & Nam, W. (2012) · Chemical Society Reviews · doi:10.1039/c2cs35171d · Cited by 668
Water-oxidation catalysis by manganese in a geochemical-like cycle
Hocking, R. K., Brimblecombe, R., Chang, L.-Y., Singh, A., Cheah, M. H., Glover, C., Casey, W. H., & Spiccia, L. (2011) · Nature Chemistry · doi:10.1038/nchem.1049 · Cited by 517
Electrosynthesis, functional, and structural characterization of a water-oxidizing manganese oxide
Zaharieva, I., Chernev, P., Risch, M., Klingan, K., Kohlhoff, M., Fischer, A., & Dau, H. (2012) · Energy & Environmental Science · doi:10.1039/c2ee21191b · Cited by 417
Metadata
- Authors
- Limburg, J., Vrettos, J. S., Liable-Sands, L. M., Rheingold, A. L., Crabtree, R. H., & Brudvig, G. W.
- Venue
- Science
- Published
- 1999-03-05
- Volume
- 283
- Issue
- 5407
- Pages
- 1524-1527
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2033033156
- Cited by
- 729
- References
- 0
- FWCI
- 17.41
- Type
- journal article
- Language
- en
- Open access
- closed
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- Limburg, J., Vrettos, J. S., Liable-Sands, L. M., Rheingold, A. L., Crabtree, R. H., & Brudvig, G. W. (1999). A Functional Model for O-O Bond Formation by the O 2 -Evolving Complex in Photosystem II. Science. https://doi.org/10.1126/science.283.5407.1524
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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