期刊
RNA BIOLOGY
卷 11, 期 5, 页码 537-549出版社
TAYLOR & FRANCIS INC
DOI: 10.4161/rna.29144
关键词
Hfq; Sm; LSm1; LSm8; sRNA; riboregulation; RNA 3 '-end recognition; RNA deadenylation; RNA chaperone
资金
- DFG [SPP1258]
The eukaryotic Sm and the Sm-like (LSm) proteins form a large family that includes LSm proteins in archaea and the Hfq proteins in bacteria. Commonly referred to as the (L) Sm protein family, the various members play important roles in RNA processing, decay, and riboregulation. Particularly interesting from a structural point of view is their ability to assemble into doughnut-shaped rings, which allows them to bind preferentially the uridine-rich 3'-end of RNA oligonucleotides. With an emphasis on Hfq, this review compares the RNA-binding properties of the various (L) Sm rings that were recently co-crystallized with RNA substrates, and it discusses how these properties relate to physiological function.
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