Magnetic Resonance
Magnetic Resonance
MR
Articles | Volume 6, issue 1
Articles | Volume 6, issue 1
https://doi.org/10.5194/mr-6-93-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/mr-6-93-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 6, issue 1
Research article
 | 
10 Mar 2025
Research article |  | 10 Mar 2025

ih-RIDME: a pulse EPR experiment to probe the heterogeneous nuclear environment

Sergei Kuzin, Victoriya N. Syryamina, Mian Qi, Moritz Fischer, Miriam Hülsmann, Adelheid Godt, Gunnar Jeschke, and Maxim Yulikov

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Cited articles

Abdullin, D., Duthie, F., Meyer, A., Müller, E. S., Hagelueken, G., and Schiemann, O.: Comparison of PELDOR and RIDME for Distance Measurements between Nitroxides and Low-Spin Fe(III) Ions, J. Phys. Chem. B, 119, 13534–13542, https://doi.org/10.1021/acs.jpcb.5b02118, 2015. a
Abragam, A.: The principles of nuclear magnetism, 32, Oxford University Press, ISBN: 9780198520146, 1961. a
Asanbaeva, N. B., Novopashina, D. S., Rogozhnikova, O. Y., Tormyshev, V. M., Kehl, A., Sukhanov, A. A., Shernyukov, A. V., Genaev, A. M., Lomzov, A. A., Bennati, M., Meyer, A., and Bagryanskaya, E. G.: 19F electron nuclear double resonance (ENDOR) spectroscopy for distance measurements using trityl spin labels in DNA duplexes, Phys. Chem. Chem. Phys., 25, 23454–23466, https://doi.org/10.1039/D3CP02969G, 2023. a
Astashkin, A. V.: Mapping the Structure of Metalloproteins with RIDME, Method. Enzymol., 563, 251–284, 2015. a, b
Bahrenberg, T., Jahn, S. M., Feintuch, A., Stoll, S., and Goldfarb, D.: The decay of the refocused Hahn echo in double electron–electron resonance (DEER) experiments, Magn. Reson., 2, 161–173, https://doi.org/10.5194/mr-2-161-2021, 2021. a
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A new pulse electron paramagnetic resonance method is presented to quantify the local nuclear environment of an electron spin centre. We provide a detailed assessment of this technique. We review the theoretical principles, discuss the data analysis and demonstrate an application to a spin-labelled macromolecule supported by in silico modelling. The method can be applied to the characterization of heterogeneous systems, such as unstructured or semi-structured (bio)macromolecules.
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