Atomic-scale structures and interactions between the guanine quartet and potassium

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  • Wei Xu, College of Materials Science and Engineering, Key Laboratory for Advanced Civil Engineering Materials (Ministry of Education), Tongji University, Caoan Road 4800, Shanghai 201804, PR China. xuwei@tongji.edu.cn, China
  • Qinggang Tan, College of Materials Science and Engineering, Key Laboratory for Advanced Civil Engineering Materials (Ministry of Education), Tongji University, China
  • Miao Yu, Denmark
  • Qiang Sun, College of Materials Science and Engineering, Key Laboratory for Advanced Civil Engineering Materials (Ministry of Education), Tongji University, China
  • Huihui Kong, College of Materials Science and Engineering, Key Laboratory for Advanced Civil Engineering Materials (Ministry of Education), Tongji University, China
  • Erik Lægsgaard
  • Ivan Stensgaard, Denmark
  • Jørgen Kjems
  • Jian-guo Wang, Institute of Industrial Catalysis, College of Chemical Engineering and Materials Science, Zhejiang University of Technology, China
  • Chen Wang, National Center for Nanoscience and Technology, Beijing , China
  • Flemming Besenbacher
The atomic-scale identification of the G4K1 structural motif is achieved using an interplay of STM imaging and DFT calculations. Its high stability is found to be caused by the delicate balance between hydrogen bonding and metal-ligand interaction, which is of utmost relevance to model interactions of the G-quadruplex with cations in vivo.
Original languageEnglish
JournalChemical Communications
Volume49
Issue65
Pages (from-to)7210-7212
Number of pages3
ISSN1359-7345
DOIs
Publication statusPublished - 21 Aug 2013

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