Issue 70, 2020

Rational design of a reversible Mg2+/EDTA-controlled molecular switch based on a DNA minidumbbell

Abstract

Here we report that incorporation of an abasic site to DNA minidumbbells formed by natural sequences can lead to significant enhancements in their thermodynamic stability. Based on these stable minidumbbells, the first metal ion-controlled molecular switch which can regulate instant and reversible DNA duplex formation and dissociation has been constructed.

Graphical abstract: Rational design of a reversible Mg2+/EDTA-controlled molecular switch based on a DNA minidumbbell

Supplementary files

Article information

Article type
Communication
Submitted
28 may 2020
Accepted
16 iyl 2020
First published
17 iyl 2020

Chem. Commun., 2020,56, 10127-10130

Rational design of a reversible Mg2+/EDTA-controlled molecular switch based on a DNA minidumbbell

L. Wan, S. L. Lam, H. K. Lee and P. Guo, Chem. Commun., 2020, 56, 10127 DOI: 10.1039/D0CC03774E

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