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Sugars stack up

Sugar binding by a variety of biomolecules is generally assumed to rely on hydrogen bonding and ionic interactions. A new study shows that arene-carbohydrate interactions are enthalpically driven through nontraditional C-H···π type hydrogen bonds.

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Figure 1: The dangling-end model system uses the stability of a DNA duplex to investigate the arene-carbohydrate interaction.

Katie Ris-Vicari

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Tatko, C. Sugars stack up. Nat Chem Biol 4, 586–587 (2008). https://doi.org/10.1038/nchembio1008-586

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