NMR study of ammonium ion binding to d[G3T4G4]2 and d[G4(T4G4)3] G-quadruplexes.
Quantitative NMR study has shown a significant difference in affinity of (15)NH(4)(+) ions for cation binding sites within G-quadruplexes adopted by d[G3T4G4]2 and d[G4(T4G4)3].
Podbevsek
Peter
P
Slovenian NMR Centre, National Institute of Chemistry, Hajdrihova 19, SI 1001 Ljubljana, Slovenia.
Sket
Primoz
P
Plavec
Janez
J
D054856:G-Quadruplexes; D009682:Magnetic Resonance Spectroscopy; D009841:Oligonucleotides / Q000737:chemistry*; D000644:Quaternary Ammonium Compounds / Q000737:chemistry*
D009841:Oligonucleotides; D000644:Quaternary Ammonium Compounds