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Chem Commun (Camb). 2013 Aug 21;49(65):7210-2. doi: 10.1039/c3cc43302a. Epub 2013 Jul 10.

Atomic-scale structures and interactions between the guanine quartet and potassium.

Author information

1
College of Materials Science and Engineering, Key Laboratory for Advanced Civil Engineering Materials (Ministry of Education), Tongji University, Caoan Road 4800, Shanghai 201804, PR China. xuwei@tongji.edu.cn

Abstract

The atomic-scale identification of the G4K1 structural motif is achieved using an interplay of STM imaging and DFT calculations. Its high stability is found to be caused by the delicate balance between hydrogen bonding and metal-ligand interaction, which is of utmost relevance to model interactions of the G-quadruplex with cations in vivo.

PMID:
23841112
DOI:
10.1039/c3cc43302a
[Indexed for MEDLINE]

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