from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Either of two codons, AUG or GUG, that signal the initiation of translation and the first amino acid in a polypeptide chain. Also called chain initiation codon.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The codon at which translation of mRNA into protein starts, encoding the first amino acid.


start (indicating first, initial) + codon (Wiktionary)


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