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RNA Processing in Eukaryotes
Biology Textbooks Boundless Biology Genes and Proteins RNA Processing in Eukaryotes
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Concept Version 9
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mRNA Processing

5' cap structure

5' cap structure

Capping of the pre-mRNA involves the addition of 7-methylguanosine (m7G) to the 5' end. The cap protects the 5' end of the primary RNA transcript from attack by ribonucleases and is recognized by eukaryotic initiation factors involved in assembling the ribosome on the mature mRNA prior to initiating translation.

Source

    Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:

    "An Introduction to Molecular Biology/Transcription of RNA and its modification."
    http://en.wikibooks.org/wiki/An_Introduction_to_Molecular_Biology/Transcription_of_RNA_and_its_modification%23Splicing_of_RNA Wikibooks CC BY-SA 3.0.

Related Terms

  • intron
  • moiety
  • spliceosome
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