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. Author manuscript; available in PMC: 2008 Jun 11.
Published in final edited form as: Chem Phys Lett. 2007 Jan 26;434(1-3):133–138. doi: 10.1016/j.cplett.2006.12.017

Figure 2.

Figure 2

Figure 2

Optimized structures of (a) A-form PNA-DNA, (b) B-form PNA-DNA, (c) A-form LNA-RNA and (d) B-form LNA-RNA with the base sequence 5’-CAG-3’ obtained by the molecular mechanics calculations based on AMBER force field. Counter ions (Na+) were added to the phosphate units of the DNA, RNA and LNA backbones.