NMR structure of a new G-quadruplex forming sequence within the KRAS proto-oncogene promoter region - Kerkour, Abdelaziz; Marquevielle, Julien; Ivashchenko, Stefaniia; Yatsunyk, Liliya A.; Mergny, Jean-Louis L.; Salgado, Gilmar F. (Biological Magnetic Resonance Bank, 2016)