The DNA strand CGA has the codons CGA, CGG, CGU, and CGC.
Codons are units of genomic information made up of three nucleotides (trinucleotides) in DNA or RNA that code for a specific amino acid or indicate the end of protein synthesis (stop signals). Codons contain 64 distinct elements, of which three act as stop signals and 61 function as amino acid identifiers.
Mammalian cells can start translation using leucine utilising a particular leucyl-tRNA that decodes the codon CUG in addition to the standard Met-tRNA Met and AUG codon route. The CAG start codon is used by Candida albicans.
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