Structural characteristics requisite for the ligand-based selective detection of i-motif DNA

Literature Information

Publication Date 2019-05-08
DOI 10.1039/C9OB01020C
Impact Factor 3.876
Authors

Sagar Satpathi, Subrahmanyam Sappati, Konoya Das


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Abstract

Here, we have explored the light-up property of coumarin 343 (C343) selectively towards various i-motif DNAs based on the recognition of hemi-protonated cytosine窶田ytosine base pairing, unlike other DNA structures. We have also demonstrated the versatile ability of this i-motif ligand, i.e., the affinity of C343 towards both intermolecular and intramolecular i-motif DNA differing in the chain lengths, molecularity and sizes, which is observed in various oncogene promoters. A systematic study between i-motif DNA and various coumarin derivatives helps in understanding the structural characteristics required for an ideal ligand, which can be useful for future design of any i-motif DNA ligands.

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Organic & Biomolecular Chemistry

Organic & Biomolecular Chemistry
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Organic & Biomolecular Chemistry (OBC) publishes original and high impact research and reviews in organic chemistry. We welcome research that shows new or significantly improved protocols or methodologies in total synthesis, synthetic methodology or physical and theoretical organic chemistry as well as research that shows a significant advance in the organic chemistry or molecular design aspects of chemical biology, catalysis, supramolecular and macromolecular chemistry, theoretical chemistry, mechanism-oriented physical organic chemistry, medicinal chemistry or natural products. Articles published in the journal should report new work which makes a highly-significant impact in the field. Routine and incremental work is generally not suitable for publication in the journal. More details about key areas of our scope are below. In all cases authors should include in their article clear rationale for why their research has been carried out.

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