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Article Dans Une Revue The Journal of Chemical Physics Année : 2024

Mixing water, sugar, and lipid: Conformations of isolated and micro-hydrated glycolipids in the gas phase

Résumé

Both sugars and lipids are important biomolecular building blocks with exceptional conformational flexibility and adaptability to their environment. Glycolipids bring together these two molecular components in the same assembly and combine the complexity of their conformational landscapes. In the present study, we have used selective double resonance vibrational spectroscopy, in combination with a computational approach, to explore the conformational preferences of two glycolipid models (3-0-acyl catechol and guaiacol α-D-glucopyranosides), either fully isolated in the gas phase or controlled interaction with a single water molecule. We could identify the preferred conformation and structures of the isolated and micro-hydrated species and evidence of the presence of a strong water pocket, which may influence the conformational flexibility of such systems, even in less controlled environments.
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Dates et versions

hal-04616644 , version 1 (19-06-2024)

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Ander Ander Camiruaga, Alexandra Gouasmat, Jean-Marie Beau, Yann Bourdreux, Maélie Causse, et al.. Mixing water, sugar, and lipid: Conformations of isolated and micro-hydrated glycolipids in the gas phase. The Journal of Chemical Physics, 2024, 160 (21), ⟨10.1063/5.0211435⟩. ⟨hal-04616644⟩
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