1IXJ:
reference: Crystal structure of d(GCGAAAGCT) containing a parallel-stranded duplex with homo base pairs and an anti-parallel duplex with Watson-Crick base pairs., Sunami T, Kondo J, Kobuna T, Hirao I, Watanabe K, Miura K, Takenaka A, Nucleic Acids Res 2002 Dec 1;30(23):5253-60. PMID: 12466550

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