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Acid-facilitated G-quadruplex/hemin DNAzymes: accompanied by the assembly of quadruplex supramolecules

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Abstract

Four types of quadruplex supramolecules containing G-quadruplex (G4)–I-motif interfaces were assembled under slightly acidic conditions, which can interact with hemin to form I-motif-linked G4/hemin DNAzymes. Our data demonstrated that some I-motif-linked DNAzymes are highly acid-dependent due to the stabilization of hemiprotonated cytosine–cytosine (C˙CH+) pairs for the G4 units.

Graphical abstract: Acid-facilitated G-quadruplex/hemin DNAzymes: accompanied by the assembly of quadruplex supramolecules

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Article information


Submitted
28 Apr 2020
Accepted
24 Jun 2020
First published
25 Jun 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Acid-facilitated G-quadruplex/hemin DNAzymes: accompanied by the assembly of quadruplex supramolecules

Y. Cao, W. Li, P. Ding and R. Pei, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC03082A

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