Are UsnRNA sequence variants involved in developmentally controlled, tissue-specific and/or alternative splicing of pre-mRNA at the level of RNA-protein interaction? Some hints from studies of plant systems

Abstract

Studies of in vitro systems revealed that splicing of premRNA (removal of introns and ligation of exons) takes place in multicomponent RNP complexes known as spliceosomes which contain, in addition to the substrate and a number of protein factors, the so-called UsnRNPs. There are four types of major UsnRNP. Each of them consists of one (U1, U2, U5) or two… (More)
DOI: 10.1007/BF00360451

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