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Updated: Jul 10, 2026
05:37
Single-Molecule Fluorescence Visualization of DNA Polymerase Dynamics at G-Quadruplexes
Published on: April 4, 2025
Folding pathways of human telomeric hybrid G-quadruplex structure
Tomoko Mashimo1, Hiroshi Sugiyama
1Department of Chemistry, Graduate Schoool of Science, Kyoto University, Kitashirakawa Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan.
Nucleic Acids Symposium Series (2004)
|November 22, 2007
Summary
The human telomeric DNA forms a G-quadruplex structure, a target for anticancer drugs. This study investigates the folding pathway of this hybrid G-quadruplex structure.
Area of Science:
- Biochemistry
- Molecular Biology
- Structural Biology
Background:
- The human telomeric DNA sequence, d[AGGG(TTAGGG)(3)], forms a G-quadruplex structure.
- G-quadruplex structures are attractive anticancer drug targets due to their telomerase inhibition activity.
- The human telomere G-quadruplex in K(+) solution exhibits a hybrid structure with mixed parallel and antiparallel strands.
Purpose of the Study:
- To investigate the folding pathway of the human telomeric hybrid G-quadruplex structure.
Main Methods:
- This section would detail the experimental or computational methods used to study the folding pathway (e.g., spectroscopy, molecular dynamics simulations).
Main Results:
- This section would present the key findings regarding the intermediate structures and transitions observed during the folding process.
Conclusions:
- The study provides insights into the folding mechanism of the human telomeric hybrid G-quadruplex.
- Understanding this pathway can aid in the rational design of G-quadruplex-targeting anticancer agents.
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