A sequence at the 5' (N-terminal) of the DNA and mRNA which leads the newly synthesized mRNA to the ribosome (it is not translated). It is also used to mean the signal sequence which is translated but is subject to post-translation cleavage when the final destination is reached or following secretion.
A sequence of nucleotides at the 5ยด end of an mRNA that is not translated into protein.
At the 5 end of an mRNA, the sequence that is not translated into protein.
A short amino acid sequence that determines the localization of a protein within the cell.
The sequence at the 5' end of an mRNA that is not translated into protein. The length of untranslated mRNA from the 5' end to the initiation codon AUG.
A sequence of amino acids at the N-terminal end of a newly synthesized protein, determining where the protein will be placed in the cell.
The leader sequence is the sequence at the 5' end of an m RNA molecule that is not translated into protein.