Article
An Arg/Lys-rich core peptide mimics TRBP binding to the HIV-1 TAR RNA upper-stem/loop.
Journal of molecular biology - 26 Jun 1998
Erard M, Barker D G, Amalric F, Jeang K T, Gatignol A
Abstract excerpt
TRBP is a cellular protein that binds to the HIV-1 leader RNA, TAR. Circular dichroism experiments have shown that a 24 amino acid peptide (TR1), located within a dsRNA binding domain (dsRBD) of TRBP, binds TAR with a 3:1 stoichiometry, eliciting a conformational change involving base unstacking. The binding characteristics of synthetic structural variants of TAR indicate that guanine residues play a key role in...
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