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. Author manuscript; available in PMC: 2011 Feb 17.
Published in final edited form as: J Am Chem Soc. 2010 Feb 17;132(6):1813. doi: 10.1021/ja909001q

Figure 2.

Figure 2

Comparison of multiple methods for the observation of rapidly exchanging protons in DNA and a peptide mixture (see text). (left): Detection of “invisible” guanine and thymine imino protons at the ends of duplex DNA (pH = 9, 20 °C). (right): Detection of rapidly exchanging amide and side chain arginine protons of peptides (pH = 7.3) at 37 °C.