Magnesium(II)-ATP Complexes in 1-Ethyl-3-Methylimidazolium Acetate Solutions Characterized by 31Mg β-Radiation-Detected NMR Spectroscopy

McFadden, Ryan M L; Szunyogh, Dániel; Bravo‐Frank, Nicholas; Johannsen, Silke; Sigel, Roland K O; et al

doi:10.1002/anie.202207137

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McFadden, R. M. L., Szunyogh, D., Bravo‐Frank, N., Johannsen, S., Sigel, R. K. O., & et al. (2022). Magnesium(II)-ATP Complexes in 1-Ethyl-3-Methylimidazolium Acetate Solutions Characterized by 31Mg β-Radiation-Detected NMR Spectroscopy. Angewandte Chemie Internationale Edition, 61(35), e202207137. https://doi.org/10.1002/anie.202207137

Abstract

The complexation of MgII with adenosine 5′-triphosphate (ATP) is omnipresent in biochemical energy conversion, but is difficult to interrogate directly. Here we use the spin-urn:x-wiley:14337851:media:anie202207137:anie202207137-math-0001 β-emitter 31Mg to study MgII-ATP complexation in 1-ethyl-3-methylimidazolium acetate (EMIM-Ac) solutions using β-radiation-detected nuclear magnetic resonance (β-NMR). We demonstrate that (nuclear) spin-polarized 31Mg, following ion-implantation from an accelerator beamline into EMIM-Ac, binds to ATP