Applications of NMR to structure determination of RNAs large and small.

Applications of NMR to structure determination of RNAs large and small.
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DOI:
10.1016/j.abb.2017.06.003
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发表时间:
2017-08-15
影响因子:
3.9
通讯作者:
Varani G
Varani G
中科院分区:
生物学3区
文献类型:
--
作者:
Barnwal RP;Yang F;Varani G

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核磁共振波谱是研究RNA结构和动力学的有力工具,因为许多生物学上重要的RNA具有构象柔性结构,这使得它们难以结晶。功能的、独立折叠的RNA结构域,大小不等,从10-20个核苷酸的简单茎环,到50-70个核苷酸的大小,tRNA和许多小核糖酶的大小,到几百个核苷酸的大小,更复杂的RNA酶和非编码转录物的功能结构域的大小。在这篇综述中,我们讨论了分子量高达100 kDa的独立折叠RNA结构域的样品制备、分配策略和结构确定的新方法。
Nuclear magnetic resonance (NMR) spectroscopy is a powerful tool to investigate the structure and dynamics of RNA, because many biologically important RNAs have conformationally flexible structures, which makes them difficult to crystallize. Functional, independently folded RNA domains, range in size between simple stem-loops of as few as 10–20 nucleotides, to 50–70 nucleotides, the size of tRNA and many small ribozymes, to a few hundred nucleotides, the size of more complex RNA enzymes and of the functional domains of non-coding transcripts. In this review, we discuss new methods for sample preparation, assignment strategies and structure determination for independently folded RNA domains of up to 100 kDa in molecular weight.
DOI: 10.1006/jmre.1997.1345
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