title: The NineTeen Complex (NTC) and NTC-associated proteins as targets for spliceosomal ATPase action during pre-mRNA splicing.
abstract: Pre-mRNA splicing is an essential step in gene expression that removes intron sequences efficiently and accurately to produce a mature mRNA for translation. It is the large and dynamic RNA-protein complex called the spliceosome that catalyzes intron removal. To carry out splicing the spliceosome not only needs to assemble correctly with the pre-mRNA but the spliceosome requires extensive remodelling of its RNA and protein components to execute the 2 steps of intron removal. Spliceosome remodelling is achieved through the action of ATPases that target both RNA and proteins to produce spliceosome conformations competent for each step of spliceosome activation, catalysis and disassembly. An increasing amount of research has pointed to the spliceosome associated NineTeen Complex (NTC) of proteins as targets for the action of a number of the spliceosomal ATPases during spliceosome remodelling. In this point-of-view article we present the latest findings on the changes in the NTC that occur following ATPase action that are required for spliceosome activation, catalysis and disassembly. We proposed that the NTC is one of the main targets of ATPase action during spliceosome remodelling required for pre-mRNA splicing.
authors: a Faculty of Life Sciences ; The University of Manchester ; Manchester , UK.
authors: Rogerio Alves
authors: RA
authors: de Almeida
authors: Raymond T
authors: RT
authors: O'Keefe
mesh_terms: D000251:Adenosine Triphosphatases / Q000235:genetics / Q000378:metabolism; D053487:DEAD-box RNA Helicases / Q000235:genetics* / Q000378:metabolism; D005091:Exons; D006801:Humans; D007438:Introns; D012322:RNA Precursors / Q000737:chemistry / Q000235:genetics* / Q000378:metabolism; D012326:RNA Splicing; D016601:RNA-Binding Proteins / Q000235:genetics / Q000378:metabolism; D012441:Saccharomyces cerevisiae / Q000235:genetics* / Q000378:metabolism; D029701:Saccharomyces cerevisiae Proteins / Q000235:genetics* / Q000378:metabolism; D017381:Spliceosomes / Q000737:chemistry* / Q000235:genetics / Q000378:metabolism
chemical_list: D012322:RNA Precursors; D016601:RNA-Binding Proteins; D029701:Saccharomyces cerevisiae Proteins; D000251:Adenosine Triphosphatases; D053487:DEAD-box RNA Helicases
keywords: ATPase; Brr2; Cwc2; NineTeen Complex; PremRNA splicing; Prp16; Prp19; Prp2; Prp43; RNA helicase
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