Symbol 3-letter  Name           Codons     
     A    Ala       Alanine        GCT,GCC,GCA,GCG
     B    Asx       Asp or Asn     GAT,GAC,AAT,AAC
     C    Cys       Cysteine       TGT,TGC
     D    Asp       Aspartic       GAT,GAC
     E    Glu       Glutamic       GAA,GAG
     F    Phe       Phenylalanine  TTT,TTC
     G    Gly       Glycine        GGT,GGC,GGA,GGG
     H    His       Histidine      CAT,CAC
     I    Ile       Isoleucine     ATT,ATC,ATA
     J    Xle       Leu or Ile
     K    Lys       Lysine         AAA,AAG
     L    Leu       Leucine        TTG,TTA,CTT,CTC,CTA,CTG
     M    Met       Methionine     ATG
     N    Asn       Asparagine     AAT,AAC
     P    Pro       Proline        CCT,CCC,CCA,CCG
     O    Pyl       Pyrrolysine
     Q    Gln       Glutamine      CAA,CAG
     R    Arg       Arginine       CGT,CGC,CGA,CGG,AGA,AGG
     S    Ser       Serine         TCT,TCC,TCA,TCG,AGT,AGC
     U    Sec       Selenocysteine
     T    Thr       Threonine      ACT,ACC,ACA,ACG
     V    Val       Valine         GTT,GTC,GTA,GTG
     W    Trp       Tryptophan     TGG
     X    Xaa       Any amino acid
     Y    Tyr       Tyrosine       TAT,TAC
     Z    Glx       Glu or Gln     GAA,GAG,CAA,CAG
                    Glutamine
     *    Stop      Terminator     TAA, TAG, TGA
          TERM      Termination codon