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. 2007 Aug 24;35(17):e111. doi: 10.1093/nar/gkm602

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© 2007 The Author(s)

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.0/uk/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — DNA sequences used in this study. For Strands A′ and revA′, the underlined sequences are the recognition site of EcoR V and the arrows indicate the enzyme cleavage site. For the mismatched DNA sequences, the underlined base is the mismatch. SM1/SM2/SM3/SM4/SM53/SM6 refer to single-base mismatched DNA, DM refers to double-base mismatched DNA and NC refers to non-complementary DNA.