Postranscriptional Alterations of RNA Transcripts

• mRNA

  • 5’ cap
  • 3’ PolyA tail
    • ~12 bases down from AAUAA sequence
    • Poly(A) polymerase adds ~200 “A’s”
  • Introns removed
    • hnRNA
    • snRNAs + snRNPs (spliceosome)
    • Exons = protein domains

Previous slide

Next slide

Back to first slide

View graphic version