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Analysis of the Magnetic Properties of Nitrogenase FeMo Cofactor by Single-Crystal EPR Spectroscopy

Spatzal, Thomas and Einsle, Oliver and Andrade, Susana L. A. (2013) Analysis of the Magnetic Properties of Nitrogenase FeMo Cofactor by Single-Crystal EPR Spectroscopy. Angewandte Chemie International Edition, 52 (38). pp. 10116-10119. ISSN 1433-7851. https://resolver.caltech.edu/CaltechAUTHORS:20170330-082549882

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Abstract

The catalytic center of nitrogenase, the [Mo:7Fe:9S:C]:homocitrate FeMo cofactor, is a S=3/2 system with a rhombic magnetic g tensor. Single-crystal EPR spectroscopy in combination with X-ray diffraction were used to determine the relative orientation of the g tensor with respect to the cluster structure. The protein environment influences the electronic structure of the FeMo cofactor, dictating preferred orientations of possible functional relevance.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1002/anie.201303000DOIArticle
http://onlinelibrary.wiley.com/doi/10.1002/anie.201303000/abstractPublisherArticle
ORCID:
AuthorORCID
Spatzal, Thomas0000-0002-9136-5915
Additional Information:© 2013 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. Issue online: 12 September 2013; Version of record online: 8 August 2013; Manuscript Revised: 11 June 2013; Manuscript Received: 10 April 2013. This work was supported by Deutsche Forschungsgemeinschaft (grant AN 676/3 to S.L.A.A., grant EI 520/7 to O.E.) and the European Research Council.
Funders:
Funding AgencyGrant Number
Deutsche Forschungsgemeinschaft (DFG)AN 676/3
Deutsche Forschungsgemeinschaft (DFG)EI 520/7
European Research Council (ERC)UNSPECIFIED
Subject Keywords:biological nitrogen fixation; EPR spectroscopy; FeMo cofactor; g tensor; magnetic properties
Issue or Number:38
Record Number:CaltechAUTHORS:20170330-082549882
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20170330-082549882
Official Citation:Spatzal, T., Einsle, O. and Andrade, S. L. A. (2013), Analysis of the Magnetic Properties of Nitrogenase FeMo Cofactor by Single-Crystal EPR Spectroscopy. Angew. Chem. Int. Ed., 52: 10116–10119. doi:10.1002/anie.201303000
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:75538
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:30 Mar 2017 19:17
Last Modified:14 Oct 2019 18:28

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