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Current Challenges for Modeling Enzyme Active Sites by Biomimetic Synthetic Diiron Complexes

Author(s)
Friedle, Simone; Reisner, Erwin; Lippard, Stephen J.
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Alternative title
Current challenges of modeling diiron enzyme active sites for dioxygen activation by biomimetic synthetic complexes
Terms of use
Creative Commons Attribution-Noncommercial-Share Alike 3.0 http://creativecommons.org/licenses/by-nc-sa/3.0/
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Abstract
This tutorial review describes recent progress in modeling the active sites of carboxylate-rich non-heme diiron enzymes that activate dioxygen to carry out several key reactions in Nature. The chemistry of soluble methane monooxygenase, which catalyzes the selective oxidation of methane to methanol, is of particular interest for (bio)technological applications. Novel synthetic diiron complexes that mimic structural, and, to a lesser extent, functional features of these diiron enzymes are discussed. The chemistry of the enzymes is also briefly summarized. A particular focus of this review is on models that mimic characteristics of the diiron systems that were previously not emphasized, including systems that contain (i) aqua ligands, (ii) different substrates tethered to the ligand framework, (iii) dendrimers attached to carboxylates to mimic the protein environment, (iv) two N-donors in a syn-orientation with respect to the iron–iron vector, and (v) a N-rich ligand environment capable of accessing oxygenated high-valent diiron intermediates.
Date issued
2010-05
URI
http://hdl.handle.net/1721.1/64760
Department
Massachusetts Institute of Technology. Department of Chemistry
Journal
Chemical Society Reviews
Publisher
Royal Society of Chemistry
Citation
Friedle, Simone, Erwin Reisner, and Stephen J. Lippard. “Current Challenges of Modeling Diiron Enzyme Active Sites for Dioxygen Activation by Biomimetic Synthetic Complexes.” Chem. Soc. Rev. 39.8 (2010) : 2768-2779.
Version: Author's final manuscript
ISSN
1460-4744
0306-0012

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