5′ cap

noun

A specially altered nucleotide end to the 5′ end of precursor messenger RNA and some other primary RNA transcripts as found in eukaryotes and caliciviruses, vital to creating mature messenger RNA which is then able to undergo translation.

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Meanings

noun5′ cap (plural 5′ caps)

plural 5′ caps

  1. biochemistryA specially altered nucleotide end to the 5′ end of precursor messenger RNA and some other primary RNA transcripts as found in eukaryotes and caliciviruses, vital to creating mature messenger RNA which is then able to undergo translation.

Translations

Bulgarian 5' шапка
  • 5' шапка (5' šapka)Translations
Finnish 5’-huppu
  • 5’-huppuTranslations
Cite this entry
APA

5′ cap. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/5%E2%80%B2%20cap

MLA

“5′ cap.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/5%E2%80%B2%20cap. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “5′ cap,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/5%E2%80%B2%20cap.

Source: 5′ cap on Wiktionary, CC BY-SA 4.0.