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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.
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页码:452 / 458
页数:7
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