1EHV:
reference: A new crystal form for the dodecamer C-G-C-G-A-A-T-T-C-G-C-G: symmetry effects on sequence-dependent DNA structure., Johansson E, Parkinson G, Neidle S, J Mol Biol 2000 Jul 14;300(3):551-61. PMID: 10884351

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