Determination of Internuclear Angles of DNA Using Paramagnetic-Assisted Magnetic Alignment

Paramagnetic ions have been used to assist the magnetic alignment of DNA. The anisotropy of the binding sites is sufficient to give rise to significant alignment of the DNA with the observed proton–carbon dipolar couplings spanning a 70-Hz range. The dipolar couplings have been used to determine the...

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Bibliographic Details
Published inJournal of magnetic resonance (1997) Vol. 135; no. 1; pp. 256 - 259
Main Authors Beger, Richard D., Marathias, Vasilios M., Volkman, Brian F., Bolton, Philip H.
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.11.1998
Subjects
Anisotropy
Binding Sites
Carbon
DNA
DNA - chemistry
Europium
G-Quadruplexes
magnetic alignment
Magnetic Resonance Spectroscopy
Magnetics
NMR
Nucleic Acid Conformation
paramagnetic
Protons
quadruplex DNA
quadruplex DNA
NMR
magnetic alignment
paramagnetic
DNA
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Summary:Paramagnetic ions have been used to assist the magnetic alignment of DNA. The anisotropy of the binding sites is sufficient to give rise to significant alignment of the DNA with the observed proton–carbon dipolar couplings spanning a 70-Hz range. The dipolar couplings have been used to determine the positions of the axial and rhombic alignment axes. The positions of the alignment axes relative to the positions of the binding sites of the paramagnetic europium ions have also been determined.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:1090-7807
1096-0856
DOI:10.1006/jmre.1998.1527