Definitions for "Codons"
Keywords:  secretory
the basic unit of the genetic code; a sequence of 3 nucleotides in DNA or mRNA that code for one amino acid or polypeptide termination.
three nucleotide sequences in RNA which specify one amino acid (to be linked into a protein which is being synthesized).
When planning heterologous expression of a gene, it is necessary to assess the number of rare codons that can be encountered in the gene. This program helps you find out.