A Ala Alanine GCT, GCC, GCA, GCG
B   either aspartic acid or asparagine  
C Cys Cysteine TGT, TGC
D Asp Aspartic Acid GAT, GAC
E Glu Glutamic Acid 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
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
Q Gln Glutamine CAA, CAG
R Arg Arginine CGT, CGC, CGA, CGG, AGA, AGG
S Ser Serine TCT, TCC, TCA, TCG, AGT, AGC
T Thr Threonine ACT, ACC, ACA, ACG
V Val Valine GTT, GTC, GTA, GTG
W Trp Tryptophan TGG
X   UNKNOWN  
Y Tyr Tyrosine TAT, TAC
Z   either glutamic acid or glutamine  
  End Terminator TAA, TAG, TGA