PNA forms an i-motif.
A C-rich PNA hexanucleotide, p(C5T), has been shown to form an i-motif by nanoelectrospray ionization mass spectrometry coupled with H/D exchange, to have thermal stability comparable with its DNA analogue, but to exist over a much narrower pH range.
Krishnan-Ghosh
Yamuna
Y
National Centre for Biological Sciences, TIFR, UAS-GKVK Campus, Bellary Road, Bangalore 560 065, India. yamuna@ncbs.res.in
Stephens
Elaine
E
Balasubramanian
Shankar
S
D006863:Hydrogen-Ion Concentration; D009690:Nucleic Acid Conformation; D020135:Peptide Nucleic Acids / Q000737:chemistry*
D020135:Peptide Nucleic Acids