Orientation-selective DEER using rigid spin labels, cofactors, metals, and clusters

Bowen, Alice M., Tait, Claudia E., Timmel, Christiane R. and Harmer, Jeffrey R. (2014) Orientation-selective DEER using rigid spin labels, cofactors, metals, and clusters. Structure and Bonding, 152 283-328. doi:10.1007/430_2013_115

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Author Bowen, Alice M.
Tait, Claudia E.
Timmel, Christiane R.
Harmer, Jeffrey R.
Title Orientation-selective DEER using rigid spin labels, cofactors, metals, and clusters
Journal name Structure and Bonding   Check publisher's open access policy
ISSN 0081-5993
Publication date 2014
Year available 2013
Sub-type Article (original research)
DOI 10.1007/430_2013_115
Open Access Status
Volume 152
Start page 283
End page 328
Total pages 45
Place of publication Heidelberg, Germany
Publisher Springer
Collection year 2014
Language eng
Formatted abstract
The dipolar interaction between two paramagnetic centres depends upon their spin–spin distance and relative orientation. Generally most experiments are carried out under conditions where the DEER signal only reports on the spin–spin distances and, for this type of data, sophisticated analysis methods for obtaining distance distributions have been developed. Recently there have been an increasing number of studies on systems where the DEER signals depend upon both distance and spin pair orientation. These investigations have relied on the use of rigid spin labels (those with a well-defined spatial position) and/or spectrometers operating at Q-band frequencies and above capable of performing DEER experiments with high resolution and sensitivity. In this article we discuss in detail orientation-selective DEER experiments for which the modulation depth and the dipolar frequencies depend on the relative orientation of the two paramagnetic centres and the distance. Analysis of the data in the presence of distance and orientation distributions is discussed, and representative examples from the literature are given for systems containing spin labels, organic cofactors, metals, and metal clusters.
Keyword Distance measurement
Metal cluster
Orientation selection
Spin label
Structural information
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2014 Collection
Centre for Advanced Imaging Publications
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Citation counts: TR Web of Science Citation Count  Cited 5 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 1 times in Scopus Article | Citations
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Created: Fri, 13 Sep 2013, 15:51:43 EST by Anna Cotroneo on behalf of Centre for Advanced Imaging