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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/217082
Strengthened cooperativity of DNA-based cyclic hydrogen-bonded rosettes by subtle functionalization
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Cooperative effects cause extra stabilization of hydrogen-bonded supramolecular systems. In this work we have designed hydrogen-bonded rosettes derived from a guanine–cytosine Janus-type motif with the aim of finding a monomer that enhances the synergy of supramolecular systems. For this, relativistic dispersion-corrected density functional theory computations have been performed. Our proposal involves a monomer with three hydrogen-bonds pointing in the same direction, which translates into shorter bonds, stronger donor–acceptor interactions, and more attractive electrostatic interactions, thus giving rise to rosettes with strengthened cooperativity. This newly designed rosette has triple the cooperativity found for the naturally occurring guanine quadruplex.
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ALMACELLAS, David, FONSECA GUERRA, Célia, POATER I TEIXIDOR, Jordi. Strengthened cooperativity of DNA-based cyclic hydrogen-bonded rosettes by subtle functionalization. _Organic & Biomolecular Chemistry_. 2023. Vol. 21, núm. 8403-8412. [consulta: 21 de febrer de 2026]. ISSN: 1477-0520. [Disponible a: https://hdl.handle.net/2445/217082]