Issue 17, 2021

Structural insights into the recognition of DNA defects by small molecules

Abstract

Studies on the binding interaction of small molecules and nucleic acids have been explored for their biological applications. With excellent photophysical/chemical properties, numerous metal complexes have been studied as structural probes for nucleic acids. The recognition of DNA defects is of high importance due to their association with various types of cancers. Small molecules that target DNA defects in a specific and selective manner offer a new avenue for developing novel drugs and diagnostic tools. Transition metal complexes have been studied as probes for abasic sites and DNA/RNA mismatches. By changing the ligand structure or metal center, the probing efficiency of the metal complexes varies towards the defects. In this perspective, we have discussed mainly the structural requirement of metal complexes as probes for abasic sites, mismatches, and covalent DNA adducts, followed by the challenges and future directions.

Graphical abstract: Structural insights into the recognition of DNA defects by small molecules

Article information

Article type
Perspective
Submitted
18 Kax 2020
Accepted
23 Nah 2021
First published
23 Cig 2021

Dalton Trans., 2021,50, 5691-5712

Structural insights into the recognition of DNA defects by small molecules

P. D. Dayanidhi and V. G. Vaidyanathan, Dalton Trans., 2021, 50, 5691 DOI: 10.1039/D0DT04289G

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