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. Author manuscript; available in PMC: 2021 Mar 18.
Published in final edited form as: J Am Chem Soc. 2020 Mar 9;142(11):5204–5211. doi: 10.1021/jacs.9b12770

Figure 5.

Figure 5.

a) and b) 1D 1H NMR titrations of Pu19m2 DNA with various guanine derivatives. Imino protons corresponding to minor species are labeled with red asterisks. c) Chemical structures of dGMP, cGMP, and Acyclovir.