ArticleThe journal of physical chemistry. B2023
Spectroscopically Orthogonal Spin Labels in Structural Biology at Physiological Temperatures.
Article in The journal of physical chemistry. B, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 4 citations in OpenAlex.
- Synthesis and Characterization of Pyridine-Containing Tetrathiatriarylmethyl (TAM) Stable Radicals for Biomedical Magnetic Resonance Applications.The Journal of organic chemistry · 2026Article
- A guideline for the distance measurement plans of site-directed spin labels for structural prediction of nucleic acids.Journal of molecular modeling · 2023Article
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Authors and funding
10 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Electron paramagnetic resonance spectroscopy (EPR) is mostly used in structural biology in conjunction with pulsed dipolar spectroscopy (PDS) methods to monitor interspin distances in biomacromolecules at cryogenic temperatures both in vitro and in cells. In this context, spectroscopically orthogonal spin labels were shown to increase the information content that can be gained per sample. Here, we exploit the characteristic properties of gadolinium and nitroxide spin labels at physiological temperatures to study side chain dynamics via continuous wave (cw) EPR at X band, surface water dynamics via Overhauser dynamic nuclear polarization at X band and short-range distances via cw EPR at high fields. The presented approaches further increase the accessible information content on biomolecules tagged with orthogonal labels providing insights into molecular interactions and dynamic equilibria that are only revealed under physiological conditions.
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Registered trials
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