initiation codon

noun

A codon that signals the first amino acid to be used in the synthesis of the polypeptide chain of a protein; either AUG or GUG

Meanings

nouninitiation codon (plural initiation codons)

plural initiation codons

  1. biologyA codon that signals the first amino acid to be used in the synthesis of the polypeptide chain of a protein; either AUG or GUG

    Synonyms: start codon

Synonyms & antonyms

nounA codon that signals the first amino acid to be used in the synthesis of the polypeptide chain of a protein; either AUG or GUG

Also see
Cite this entry
APA

initiation codon. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/initiation%20codon

MLA

“initiation codon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/initiation%20codon. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “initiation codon,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/initiation%20codon.

Source: initiation codon on Wiktionary, CC BY-SA 4.0.