Codon Single Character Amino Acid Code Amino Acid AAA K Lysine AAC N Asparagine AAG K Lysine AAU N Asparagine ACA T Threonine ACC T Threonine ACG T Threonine ACU T Threonine AGA R Arginine AGC S Serine AGG R Arginine AGU S Serine AUA I Isoleucine AUC I Isoleucine AUG M Methionine AUU I Isoleucine CAA Q Glutamine CAC H Histidine CAG Q Glutamine CAU H Histidine CCA P Proline CCC P Proline CCG P Proline CCU P Proline CGA R Arginine CGC R Arginine CGG R Arginine CGU R Arginine CUA L Leucine CUC L Leucine CUG L Leucine CUU L Leucine GAA E Glutamic Acid GAC D Aspartic Acid GAG E Glutamic Acid GAU D Aspartic Acid GCA A Alanine GCC A Alanine GCG A Alanine GCU A Alanine GGA G Glycine GGC G Glycine GGG G Glycine GGU G Glycine GUA V Valine GUC V Valine GUG V Valine GUU V Valine UAA * Stop Codon UAC Y Tyrosine UAG * Stop Codon UAU Y Tyrosine UCA S Serine UCC S Serine UCG S Serine UCU S Serine UGA * Stop Codon UGC C Cysteine UGG W Tryptophan UGU C Cysteine UUA L Leucine UUC F Phenylalanine UUG L Leucine UUU F Phenylalanine