| 释义 |
DictionarySeestart codoninitiation codon
initiation codon[i‚nish·ē′ā·shən ′kō‚dän] (genetics) A codon that signals the first amino acid in a protein sequence; usually AUG, but sometimes GUG. Also known as start codon. initiation codon
in·i·ti·a·tion co·dona specific mRNA sequence (usually AUG, but sometimes GUG) that is the signal for the addition of fMet-tRNA and the beginning of translation.in·i·ti·a·tion co·don (i-nish'ē-ā'shŭn kō'don) A specific mRNA sequence (usually AUG, but sometimes GUG) that is the signal for the addition of fMet-tRNA and the beginning of translation.
Synonym(s): initiating codon. initiation codon a triplet of bases in mRNA with the sequence AUG (less commonly, GUG) that acts as a ‘start’ signal for TRANSLATION, specifying the first amino acid at the N-terminus of the POLYPEPTIDE CHAIN. see GENETIC CODE.ThesaurusSeeinitiation |