Abstract
Since the discovery of self-splicing RNAs, it has been suspected that the snRNAs are the catalytic components of the spliceosome. Recent evidence supports both the catalytic potential of the spliceosomal snRNAs and their resemblance to elements of group II introns.
MeSH terms
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Animals
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Catalytic Domain / genetics*
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Evolution, Molecular
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Humans
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Magnesium / metabolism*
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Models, Biological
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Molecular Structure
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RNA Splicing / genetics*
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RNA, Small Nuclear / genetics*
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Spliceosomes / genetics*
Substances
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RNA, Small Nuclear
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Magnesium