title: The double helix: a tale of two puckers.
authors.affiliation: Department of Biology, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
authors.forename: Alexander
authors.initials: A
authors.lastname: Rich
mesh_terms: D018360:Crystallography, X-Ray / Q000266:history; D004247:DNA / Q000737:chemistry / Q000266:history*; D049673:History, 20th Century; D008958:Models, Molecular; D009690:Nucleic Acid Conformation; D012313:RNA / Q000737:chemistry
chemical_list: D012313:RNA; D004247:DNA