Article
Structural and dynamic characterization of the upper part of the HIV-1 cTAR DNA hairpin.
Nucleic acids research - 1 Jul 2009
Zargarian Loussiné, Kanevsky Igor, Bazzi Ali, Boynard Jonathan, Chaminade Françoise, Fossé Philippe, Mauffret Olivier
Abstract excerpt
First strand transfer is essential for HIV-1 reverse transcription. During this step, the TAR RNA hairpin anneals to the cTAR DNA hairpin; this annealing reaction is promoted by the nucleocapsid protein and involves an initial loop-loop interaction between the apical loops of TAR and cTAR. Using NMR and probing methods, we investigated the structural and dynamic properties of the top half of the cTAR DNA...
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