Self-association of a DNA loop creates a quadruplex: crystal structure of d(GCATGCT) at 1.8 A resolution. (Structure (London, England : 1993), 1995)

(untitled) - Leonard, G; Zhang, S; Peterson, MR; Harrop, S; Helliwell, JR; Cruse, W; d'Estaintot, B; Kennard, O; Brown, T; Hunter, W