A functional model for O-O bond formation by the O2-evolving complex in photosystem II

Julian Limburg, John S. Vrettos, Louise M. Liable-Sands, Arnold L. Rheingold, Robert H. Crabtree, Gary W Brudvig

Research output: Contribution to journalArticle

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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 [H2O(terpy)Mn(O)2Mn(terpy)OH2(NO3)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.

Original languageEnglish
Pages (from-to)1524-1527
Number of pages4
JournalScience
Volume283
Issue number5407
DOIs
Publication statusPublished - Mar 5 1999

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Photosystem II Protein Complex
Oxygen
Manganese
Water
Oxygen Isotopes
Isotope Labeling
Sodium Hypochlorite
Photosynthesis
Catalytic Domain
Ions

ASJC Scopus subject areas

  • General

Cite this

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 O2-evolving complex in photosystem II. Science, 283(5407), 1524-1527. https://doi.org/10.1126/science.283.5407.1524

A functional model for O-O bond formation by the O2-evolving complex in photosystem II. / Limburg, Julian; Vrettos, John S.; Liable-Sands, Louise M.; Rheingold, Arnold L.; Crabtree, Robert H.; Brudvig, Gary W.

In: Science, Vol. 283, No. 5407, 05.03.1999, p. 1524-1527.

Research output: Contribution to journalArticle

Limburg, J, Vrettos, JS, Liable-Sands, LM, Rheingold, AL, Crabtree, RH & Brudvig, GW 1999, 'A functional model for O-O bond formation by the O2-evolving complex in photosystem II', Science, vol. 283, no. 5407, pp. 1524-1527. https://doi.org/10.1126/science.283.5407.1524
Limburg J, Vrettos JS, Liable-Sands LM, Rheingold AL, Crabtree RH, Brudvig GW. A functional model for O-O bond formation by the O2-evolving complex in photosystem II. Science. 1999 Mar 5;283(5407):1524-1527. https://doi.org/10.1126/science.283.5407.1524
Limburg, Julian ; Vrettos, John S. ; Liable-Sands, Louise M. ; Rheingold, Arnold L. ; Crabtree, Robert H. ; Brudvig, Gary W. / A functional model for O-O bond formation by the O2-evolving complex in photosystem II. In: Science. 1999 ; Vol. 283, No. 5407. pp. 1524-1527.
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