High-valent oxomanganese clusters

structural and mechanistic work relevant to the oxygen-evolving center in photosystem II

Rajesh Manchanda, Gary W Brudvig, Robert H. Crabtree

Research output: Contribution to journalArticle

238 Citations (Scopus)

Abstract

Recent years have seen a considerable interest in bioinorganic chemistry; in particular, the structural and functional modeling of active sites of metalloproteins. The oxomanganese tetramer in the O2-evolving center (OEC) in photosystem II (PS II) of plants is thought to be the site of water oxidation to dioxygen. In conjunction with biophysical studies on the enzyme, inorganic chemists are trying to understand the structural and mechanistic aspects of the OEC by studying oxomanganese clusters. A number of such clusters, varying in nuclearity, ligation, and type and number of oxo-bridges, have been synthesized and characterized. Chemical, electrochemical and magnetic properties of these clusters have given much insight into the structure and function of the native enzyme. Here, we review recent efforts in inorganic model complex chemistry towards modeling the tetramanganese active site of PS II.

Original languageEnglish
Pages (from-to)1-38
Number of pages38
JournalCoordination Chemistry Reviews
Volume144
Issue numberC
DOIs
Publication statusPublished - 1995

Fingerprint

Photosystem II Protein Complex
Enzymes
Metalloproteins
Oxygen
enzymes
oxygen
Electrochemical properties
chemistry
Chemical properties
Magnetic properties
chemical properties
Oxidation
Water
magnetic properties
oxidation
water

Keywords

  • Oxomanganese clusters
  • Photosystem II
  • Water oxidation

ASJC Scopus subject areas

  • Chemistry(all)
  • Physical and Theoretical Chemistry

Cite this

High-valent oxomanganese clusters : structural and mechanistic work relevant to the oxygen-evolving center in photosystem II. / Manchanda, Rajesh; Brudvig, Gary W; Crabtree, Robert H.

In: Coordination Chemistry Reviews, Vol. 144, No. C, 1995, p. 1-38.

Research output: Contribution to journalArticle

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