Computational Methods to Study G‑Quadruplex– Ligand Complexes

Shozeb Haider


Quadruplexes are four-stranded DNA or RNA structures
formed from tandem repeats of guanine-rich sequences. They are present
throughout the genome, namely at telomeres, in promoter and
untranslated regions of important genes. Quadruplexes are thermodynamically
stable structures and once formed can be a hindrance to cellular
processes like transcription, translation, replication among others.
Based on these findings, it has been proposed that small molecules can
be used to selectively bind and stabilise quadruplexes. In this review,
we explore computational methods that can be used to study quadruplex–
ligand interactions. These methods not only provide interpretation
of experimental data but also generate information that cannot be
accessed by experimental methods.

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