Nucleic acid 3′-end recognition by the Argonaute2 PAZ domain

被引:238
作者
Lingel, A [1 ]
Simon, B [1 ]
Izaurralde, E [1 ]
Sattler, M [1 ]
机构
[1] European Mol Biol Lab, D-69117 Heidelberg, Germany
关键词
D O I
10.1038/nsmb777
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
We describe the solution structures of the Argonaute2 PAZ domain bound to RNA and DNA oligonucleotides. The structures reveal a unique mode of single-stranded nucleic acid binding in which the two 3'-terminal nucleotides are buried in a hydrophobic cleft. We propose that the PAZ domain contributes to the specific recognition of siRNAs by providing a binding pocket for their characteristic two-nucleotide 3' overhangs.
引用
收藏
页码:576 / 577
页数:2
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