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Biophysics

Conformation

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Full-Text Articles in Biochemistry

Conformational Features Of The Human U2-U6 Snrna Complex, Ravichandra Bachu Feb 2014

Conformational Features Of The Human U2-U6 Snrna Complex, Ravichandra Bachu

Dissertations, Theses, and Capstone Projects

The splicing of precursor messenger (pre-m) RNA, during which noncoding intervening sequences are excised and flanking coding regions ligated, is an integral reaction of gene expression. In eukaryotes, it is carried out by a dynamic RNA-protein complex called the spliceosome, in which five small nuclear (sn) RNA components are actively involved in recognition and chemical aspects of the process. A complex formed between U2 and U6 snRNAs is implicated in the chemistry of pre-mRNA splicing. The catalytic activity of the U2-U6 snRNA complex is dependent on the presence of Mg2+ ions, and the complex has been shown to have several …