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. Author manuscript; available in PMC: 2010 Aug 12.
Published in final edited form as: J Am Chem Soc. 2009 Aug 12;131(31):10878–10891. doi: 10.1021/ja902281d

Figure 9.

Figure 9

(A) Comparison of G-quadruplex-forming sequences found in selected gene promoters [38] and the hTERT G4-1:3:1 and G4-3:26:1 determined in this study. The proposed topology is shown on the right. (B) The topology of the dimer (T:H:H:T) G-quadruplex formed in the c-myb promoter [28]. The sequences shown at the bottom of the figure show the c-myb GGA repeat region with the three combinations of T:H:H:Ts, each using two copies of (GGA)4. The (GGA)4 copies involved in the formation are shown in red.