1D97:
reference: Chiral phosphorothioate analogues of B-DNA. The crystal structure of Rp-d[Gp(S)CpGp(S)CpGp(S)C]., Cruse WB, Salisbury SA, Brown T, Cosstick R, Eckstein F, Kennard O, J Mol Biol 1986 Dec 20;192(4):891-905. PMID: 3108513

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