Selective recognition of human telomeric G-quadruplex with designed peptide via hydrogen bonding followed by base stacking interactions

Shikhar Tyagi, Sarika Saxena, Nikita Kundu, Taniya Sharma, Amlan Chakraborty, Sarvpreet Kaur, Daisuke Miyoshi, Jadala Shankaraswamy

Research output: Contribution to journalArticleResearchpeer-review

11 Citations (Scopus)


We described a novel synthetic peptide in which a glutamine residue binds through hydrogen bonding to a guanine-base and a trytophan residue intercalates with K+ resulting in stabilization of a human telomeric G-quadruplex with high selectivity over its complementary c-rich strand and a double-stranded DNA and its complementary C-rich strand. This peptide offers great potential for cancer treatment by inhibiting the telomere extension by telomerase.

Original languageEnglish
Pages (from-to)40255-40262
Number of pages8
JournalRSC Advances
Issue number69
Publication statusPublished - 2019

Cite this