Published in
Royal Society of Chemistry, Chemical Communications, 72(49), p. 7935, 2013
DOI: 10.1039/c3cc44607g
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A novel equilibrium relating to the helix handedness in G-quadruplexes formed by heterochiral oligonucleotides with an inversion of polarity site
Journal article published in 2013 by
Antonella Virgilio,
Veronica Esposito,
Alfonso Mangoni,
Luciano Mayol 
,
Aldo Galeone
,
Aldo Galeone
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Abstract
Investigations of heterochiral oligodeoxynucleotides 5'-TD1GD2GD3-3'-3'-GL3GL2TL1-5' () and 3'-TD1GD2GD3-5'-5'-GL3GL2TL1-3' () forming quadruplex structures are reported. Data indicate the presence of enantiomeric left- and right-handed quadruplex helices. In the case of , NMR experiments point to an unusual equilibrium between them.