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Updated: Jun 26, 2026

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Single-Molecule Fluorescence Visualization of DNA Polymerase Dynamics at G-Quadruplexes
Published on: April 4, 2025
Synthesis of a potent G-quadruplex-binding macrocyclic heptaoxazole
Masayuki Tera1, Keisuke Iida, Hiromichi Ishizuka
1Department of Biotechnology and Life Science, Faculty of Technology, Tokyo University of Agriculture and Technology, Koganei, Tokyo, Japan.
Chembiochem : a European Journal of Chemical Biology
|January 14, 2009
Abstract:
A novel G-quadruplex binder, L1H1-7OTD (shown in color by atom type), was developed. This macrocyclic heptaoxazole potently and selectively stabilizes telomeric DNA in an intramolecular antiparallel G-quadruplex conformation. L1H1-7OTD shows selective cytotoxicity toward HeLa cells, a telomerase-positive cell line.

