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Here’s a lovely DNA structure from our friend, human immunodeficiency virus I. I especially like the way that two heart-like shapes appear in the structure.

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i-bd7f1d9af4cc00e2132dd15ac7c15ebb-hearts.gif

Is nature ironic or what?

Comments

  1. #1 MartinC
    August 10, 2007

    DNA ?
    Is this structure formed following reverse transcription of the viral RNA ?

  2. #2 Sandra Porter
    August 10, 2007

    This sequence was synthesized using phosphoramidite chemistry.
    It corresponds to the cDNA sequence of the dimerization initiation site SL1 of HIV- 1(Lai) RNA.