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Double Helix at Atomic Resolution


The sodium salt of the dinucleoside phosphate adenosyl-3′,5′-uridine phosphate crystallizes in the form of a right handed antiparallel double helix with Watson-Crick hydrogen bonding between uracil and adenine. A sodium ion is located in the minor groove of the helix complexed to both uracil rings.

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ROSENBERG, J., SEEMAN, N., KIM, J. et al. Double Helix at Atomic Resolution. Nature 243, 150–154 (1973).

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