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Gene Expr. 1995;4(3):177-82.

Aspects of splice site selection in constitutive and alternative pre-mRNA splicing.

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Department of Biophysics, Faculty of Science, Kyoto University, Japan.


RNA splicing is an indispensable step for expression of many eukaryotic genes. Combinations of 5' and 3' splice sites should be correctly selected in both constitutive and alternative splicing. Recent studies have revealed mechanisms of alternative splicing in some systems, in which specific regulators play vital roles in splice site selection. On the other hand, essential splicing factors such as SR proteins modulate splice site usage of general machinery. Specific regulators and splicing factors such as SR proteins have some common structural features. With these related components, a similar machinery of splice site selection is involved in constitutive and alternative splicing.

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