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. Author manuscript; available in PMC: 2015 Dec 28.
Published in final edited form as: J Am Chem Soc. 2006 Aug 2;128(30):9963–9970. doi: 10.1021/ja062791w

Figure 3.

Figure 3

Imino proton spectra and assignments of (a, b) the modified 24-nt and (c, d) natural 23-nt human telomeric sequences in K+ solution. (a, c) Guanine imino proton spectra with assignments over the reference spectrum (ref). Imino protons were assigned in 15N-filtered spectra of samples, 2% 15N-labeled at the indicated positions. (b, d) Imino proton spectra after (b) 1 day and (d) 2 h in D2O at 25 °C.