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          Institute: MPI für bioanorganische Chemie     Collection: MPI für bioanorganische Chemie     Display Documents

ID: 712890.0, MPI für bioanorganische Chemie / MPI für bioanorganische Chemie
Resolving the Manganese Oxidation States in the Oxygen-evolving Catalyst of Natural Photosynthesis
Authors:Krewald, Vera Lucia; Neese, Frank; Pantazis, Dimitrios A.
Date of Publication (YYYY-MM-DD):2015
Title of Journal:Israel Journal of Chemistry
Journal Abbrev.:Israel.J. Chem.
Issue / Number:11-12
Start Page:1219
End Page:1232
Review Status:Internal review
Audience:Experts Only
Abstract / Description:A frequent challenge when dealing with multinuclear transition metal clusters in biology is to determine the absolute oxidation states of the individual metal ions and to identify how they evolve during catalytic turnover. The oxygen-evolving complex of biological photosynthesis, an active site that harbors an oxo-bridged Mn4Ca cluster as the water-oxidizing species, offers a prime example of such a challenge that withstood satisfactory resolution for decades. A multitude of experimental studies have approached this question and have offered insights from different angles, but they were also accompanied by incomplete or inconclusive interpretations. Only very recently, through a combination of experiment and theory, has a definitive assignment of the individual Mn oxidation states been achieved for all observable catalytic states of the complex. Here we review the information obtained by structural and spectroscopic methods, describe the interpretation and synthesis achieved through quantum chemistry, and summarize our current understanding of the electronic structure of nature's water splitting catalyst.
Comment of the Author/Creator:Date: 2015, NOV 2015
External Publication Status:published
Document Type:Article
Version Comment:Automatic journal name synchronization
Communicated by:N. N.
Affiliations:MPI für bioanorganische Chemie
Identifiers:ISI:000367077400008 [ID No:1]
ISSN:0021-2148 [ID No:2]
DOI:10.1002/ijch.201500051 [ID No:3]
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