15NH4+ ion movement inside d(G4T4G4)2 G-quadruplex is accelerated in the presence of smaller Na+ ions

15NH4+ ion movement inside d(G4T4G4)2 G-quadruplex is accelerated in the presence of smaller Na+ ions

2D NMR studies demonstrate that the residence lifetime of 15NH4+ ions within the bimolecular G-quadruplex adopted by d(G4T4G4) is reduced from 270 ms in the presence of ammonium ions alone to 36 ms in the presence of Na+ ions.

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Veröffentlicht in:Organic & biomolecular chemistry 2004-07, Vol.2 (14), p.1970-1973
Hauptverfasser: Sket, Primoz, Crnugelj, Martin, Kozminski, Wiktor, Plavec, Janez
Format: Artikel
Sprache:eng
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Zusammenfassung:2D NMR studies demonstrate that the residence lifetime of 15NH4+ ions within the bimolecular G-quadruplex adopted by d(G4T4G4) is reduced from 270 ms in the presence of ammonium ions alone to 36 ms in the presence of Na+ ions.
ISSN:1477-0520