Abstract:Spliceosomes catalyze the removal of non‐coding regions, or introns, from pre‐mRNA. Assembly of the small nuclear RNA (snRNA) core of spliceosomes occurs anew on each intron via a series of carefully coordinated conformational rearrangements. However, the functional importance of many of the snRNA‐protein interactions guiding these rearrangements remain unknown. The splicing factor Ecm2 integrates into the spliceosome adjacent to the active site, where it interacts near a region of the U6 snRNA forming the cat… Show more
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