1VT7:
reference: Structures of the mismatched duplex d(GGGTGCCC) and one of its Watson-Crick analogues d(GGGCGCCC)., Rabinovich D, Haran T, Eisenstein M, Shakked Z, J Mol Biol. 1988 Mar 5;200(1):151-61. PMID: 3379638

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