Abstract
G-quadruplexes are noncanonical secondary structures formed in DNA sequences containing consecutive runs of guanines. It has been shown that the 3′ G-rich single-stranded overhangs of human telomeres can form G-quadruplex structures, and the human telomeric DNA G-quadruplexes are considered attractive targets for anticancer drugs. G-quadruplex-interactive compounds have been shown to inhibit telomerase access as well as telomere capping. Nuclear magnetic resonance (NMR) spectroscopy is a powerful method in determining the G-quadruplex structures under physiologically relevant conditions. We present the NMR and biophysical methodology used in our research group for the study of G-quadruplex structures in physiologically relevant solution and their interactions with small-molecule compounds.
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Acknowledgments
This research was supported by the National Institutes of Health funding (1S10RR16659, CA122952, GM083117, and CA177585). We thank Dr. Megan Carver for proofreading the manuscript.
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Lin, C., Yang, D. (2017). Human Telomeric G-Quadruplex Structures and G-Quadruplex-Interactive Compounds. In: Songyang, Z. (eds) Telomeres and Telomerase. Methods in Molecular Biology, vol 1587. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-6892-3_17
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DOI: https://doi.org/10.1007/978-1-4939-6892-3_17
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