The crystal structure analysis of d(CGCGAASSCGCG)2, a synthetic DNA dodecamer duplex containing four 4'-thio-2'-deoxythymidine nucleotides
T. J. Boggon, E. L. Hancox, K. E. McAuley-Hecht, B. A. Connolly, W. N. Hunter, T. Brown, R. T. Walker and G. A. Leonard.Nucleic Acids Res.24 (5), 951-961, 1996.