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CD Study of the G-Quadruplex Conformation
I. Kejnovská, D. Renčiuk, J. Palacký, M. Vorlíčková,
Language English Country United States
Document type Journal Article, Research Support, Non-U.S. Gov't
- MeSH
- Circular Dichroism MeSH
- X-Ray Diffraction MeSH
- DNA chemistry MeSH
- G-Quadruplexes * MeSH
- Nucleic Acid Conformation MeSH
- Magnetic Resonance Spectroscopy MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
Circular Dichroic (CD) spectroscopy is one of the most frequently used methods for guanine quadruplex studies and in general for studies of conformational properties of nucleic acids. The reason is its high sensitivity to even slight changes in mutual orientation of absorbing bases of DNA. CD can reveal formation of particular structural DNA arrangements and can be used to search for the conditions stabilizing the structures, to follow the transitions between various structural states, to explore kinetics of their appearance, to determine thermodynamic parameters, and also to detect formation of higher order structures. CD spectroscopy is an important complementary technique to NMR spectroscopy and X-ray diffraction in quadruplex studies due to its sensitivity, easy manipulation of studied samples, and relative inexpensiveness. In this part, we present the protocol for the use of CD spectroscopy in the study of guanine quadruplexes, together with practical advice and cautions about various, particularly interpretation, difficulties.
References provided by Crossref.org
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