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. Author manuscript; available in PMC: 2010 Sep 15.
Published in final edited form as: J Am Chem Soc. 1998;120(24):6191–6192. doi: 10.1021/ja9803310

Figure 1.

Figure 1

(A) Space-filling models of base pairs A–T and P–φ in the geometry of B-form duplex DNA, illustrating how the added size of pyrene (P) may compensate sterically for the lack of a base in its partner (φ). (B) Illustration showing the positioning of various pyrene–X pairs in the center of a DNA duplex, with the potential for stacking on neighboring C–G and T–A pairs.