ID #1175

Are the conserved sequences at the ends of mRNA that denote splicing sites considered non-translated RNA?

Introns can fall anywhere in a primary transcript, not just at the ends. But more to your question -- the conserved regions that tell a snRNP where to cut are in the intron itself, so it never makes it into a mature mRNA. Only the bases in a finished mRNA that aren't read by a ribosome would be considered nontranslated RNA.

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