Dual-binding conjugates of diaromatic guanidines and porphyrins for recognition of G-quadruplexes

Jagdeep Grover, Cristina Trujillo, Mona Saad, Ganapathi Emandi, Nikolina Stipaničev, Stefan S.R. Bernhard, Aurore Guédin, Jean Louis Mergny, Mathias O. Senge, Isabel Rozas

Research output: Contribution to journalArticlepeer-review

Abstract

The first conceptualised class of dual-binding guanine quadruplex binders has been designed, synthesised and biophysically studied. These compounds combine diaromatic guanidinium systems and neutral tetra-phenylporphyrins (classical binding moiety for guanine quadruplexes) by means of a semi-rigid linker. An extensive screening of a variety of guanine quadruplex structures and double stranded DNA via UV-vis, FRET and CD experiments revealed the preference of the conjugates towards guanine quadruplexes. Additionally, docking studies indicate the potential dual mode of binding.

Original languageEnglish
Pages (from-to)5617-5624
Number of pages8
JournalOrganic and Biomolecular Chemistry
Volume18
Issue number29
DOIs
Publication statusPublished - 7 Aug 2020

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