Recent Advances in Chemical Modification of Peptide Nucleic Acids

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="518162.fig.005a" src="https://static.hindawi.com/articles/jna/volume-2012/518162/figures/518162.fig.005a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Hoogsteen triplets</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="518162.fig.005b" src="https://static.hindawi.com/articles/jna/volume-2012/518162/figures/518162.fig.005b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b> Modified triplets for pyrimidine recognition</td></tr></table></td></tr></table>

<table>Recognition of purines and pyrimidines using Hoogsteen (a) and modified (b) triplets, respectively.</table>

Journal of Nucleic Acids

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Figure 5

Figure 5: Recent Advances in Chemical Modification of Peptide Nucleic Acids 