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. 2008 Feb 5;36(6):1805–1812. doi: 10.1093/nar/gkn011

Figure 5.

Figure 5.

The stacking pattern observed for fully modified 4′-thioDNA (right), with those for the canonical A-form (left) and B-form (middle), respectively, the terminal part being excluded. The views are perpendicular to base pairs, not along the helix axes. The upper bases are indicated by bold lines and characters.