共 55 条
Novel modes of protein-RNA recognition in the RNAi pathway
被引:67
作者:

Lingel, A
论文数: 0 引用数: 0
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机构:
European Mol Biol Lab, D-69117 Heidelberg, Germany European Mol Biol Lab, D-69117 Heidelberg, Germany

Sattler, M
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h-index: 0
机构:
European Mol Biol Lab, D-69117 Heidelberg, Germany European Mol Biol Lab, D-69117 Heidelberg, Germany
机构:
[1] European Mol Biol Lab, D-69117 Heidelberg, Germany
关键词:
D O I:
10.1016/j.sbi.2005.01.010
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:
Gene silencing mediated by RNA interference (RNAi) depends on short interfering RNAs (siRNAs) and micro RNAs (miRNAs). These RNAs have unique features, namely a defined size of 19-21 base pairs, and characteristic two-nucleotide single-stranded 3' overhangs and 5' monophosphate groups. These molecular features of siRNAs and miRNAs are produced by RNase III enzymes, which are a hallmark of gene silencing induced by double-stranded RNA. Recent structural studies of components of the RNAi pathway, including PAZ, Piwi and RNase III domains, as well as full-length Argonaute and viral p19 proteins, have revealed distinct and novel modes of sequence-independent recognition of the characteristic features of siRNAs and miRNAs in the RNAi pathway.
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页码:107 / 115
页数:9
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