Article
An interlocked dimeric parallel-stranded DNA quadruplex: A potent inhibitor of HIV-1 integrase
6 Jan 2005
Abstract excerpt
We report on the NMR-based solution structure of the 93del d(GGGGTGGGAGGAGGGT) aptamer, a potent nanomolar inhibitor of HIV-1 integrase. This guanine-rich DNA sequence adopts an unusually stable dimeric quadruplex architecture in K+ solution. Within each 16-nt monomer subunit, which contains one A.(G.G.G.G) pentad sandwiched between two G.G.G.G tetrads, all G-stretches are parallel, and all guanines are anti with...
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