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. Author manuscript; available in PMC: 2017 Aug 14.
Published in final edited form as: Biochemistry. 2016 Mar 16;55(12):1749–1757. doi: 10.1021/acs.biochem.6b00026

Figure 5.

Figure 5

Peg2 forms a higher order heteroquadruplex with the long-looped DNA G-quadruplex, QFS3. SPR sensorgrams of Peg2 binding to immobilized QFS3 in 100 mM K+. [Peg2] = 100, 250, 500, 750, and 1000 nM. The red dashed lines indicate theoretical RUmax for 2:1, 5:1, and 6:1 PNA:DNA.