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. Author manuscript; available in PMC: 2012 Sep 9.
Published in final edited form as: J Mol Biol. 2011 Jul 18;412(1):22–34. doi: 10.1016/j.jmb.2011.07.007

Figure 5.

Figure 5

Two conformations of the β-hairpin conformation. The β-hairpin loop can adopt two conformations, “down” in the exonuclease complex (sequence context 5’-T-Tg-G) and “up” in the ternary complex with normal DNA and incoming nucleotide (PDB ID code 1IG9) 27. The primer is colored in pink and the template in dark gray.