NMR study of ammonium ion binding to d[G3T4G4]2 and d[G4(T4G4)3] G-quadruplexes

Nucleosides Nucleotides Nucleic Acids. 2007;26(10-12):1547-51. doi: 10.1080/15257770701545358.

Abstract

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].

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • G-Quadruplexes*
  • Magnetic Resonance Spectroscopy
  • Oligonucleotides / chemistry*
  • Quaternary Ammonium Compounds / chemistry*

Substances

  • Oligonucleotides
  • Quaternary Ammonium Compounds