Front cover image for Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid

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Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid

DNA — a new twist on life: The determination in 1953 of the structure of deoxyribonucleic acid (DNA), with its two entwined helices and paired organic bases, was a tour de force in X-ray crystallography. But more significantly, it also opened the way for a deeper understanding of perhaps the most important biological process. In the words of Watson and Crick: "It has not escaped our notice that the specific pairing that we have postulated immediately suggests a possible copying mechanism for the genetic material." [Obituary of Francis Crick: Nature430, 845-847 (2004); obituary of Maurice Wilkins: Nature431, 922 (2004)]

Article, 1953