initiator codon

initiator codon

[i′nish·ē‚ād·ər ′kō‚dän]
(cell and molecular biology)
A codon that acts as a start signal for the synthesis of a polypeptide.
References in periodicals archive ?
Point mutations define a sequence flanking the AUG initiator codon that modulates translation by eukaryotic ribosomes.
At least six nucleotides preceding the AUG initiator codon enhance translation by eukaryotic ribosomes.
Translational initiation in Drosophila melanogaster is reduced by mutations upstream of the AUG initiator codon.