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Overcoming artificial broadening in Gd³⁺–Gd³⁺ distance distributions arising from dipolar pseudo-secular terms in DEER experiments

Cohen, Marie Ramirez; Frydman, Veronica; Milko, Petr; Iron, Mark A.; Abdelkader, Elwy; Lee, Michael D.; Swarbrick, James D.; Raitsimring, Arnold; Otting, Gottfried; Graham, Bim; Feintuch, Akiva; Goldfarb, Daniella


By providing accurate distance measurements between spin labels site-specifically attached to bio-macromolecules, double electron–electron resonance (DEER) spectroscopy provides a unique tool to probe the structural and conformational changes in these molecules. Gd3+-tags present an important family of spin-labels for such purposes, as they feature high chemical stability and high sensitivity in high-field DEER measurements. The high sensitivity of the Gd3+ ion is associated with its high spin...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
Source: Physical Chemistry Chemical Physics
DOI: 10.1039/C6CP00829A
Access Rights: Open Access


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