NMR studies of telomeric nucleoprotein complexes involving the Myb-like domain of the human telomeric protein TRF2

被引:3
|
作者
Bilbille, Y [1 ]
Paquet, F [1 ]
Meudal, H [1 ]
Giraud-Panis, MJ [1 ]
Lancelot, G [1 ]
机构
[1] CNRS, UPR 4301, Ctr Biophys Mol, F-45071 Orleans 2, France
关键词
NMR structure; telomere; DNA; quadruplex; Myb-TRF2 DNA binding protein;
D O I
10.1016/j.crci.2005.06.016
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
In order to study the binding of the Myb-like domain of the human telomeric protein TRF2 (Myb-TRF2) with different structural components of the t-loop model, we report NMR studies of the binding of Myb-TRF2 protein with two repeats human telomeric DNA under three conformations. Our results showed that Myb-TRF2 binds to the duplex and even to the quadruplex and the random coil G-rich strand. The solution structure of Myb-TRF2 reported here looks like Myb-TRF1 suggesting similar DNA binding mode. As a matter of fact, we have shown that its binding to the human telomeric duplex presents great similarities with this of Myb-TRF1.
引用
收藏
页码:452 / 458
页数:7
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