Table 1

Letter Name Codons 1 M Methionine ATG 2 E Glutamic acid GAA, GAG 3 Q Glutamine CAA, CAG 4 D Aspartic acid GAT, GAC 5 R Arginine CGT, CGC, CGA, CGG, AGA, AGG 6 T Threonine ACT, ACC, ACA, ACG 7 N Asparagines AAT, AAC 8 H Histidine CAT, CAC 9 V Valine GTT, GTC, GTA, GTG 10 G Glycine GGT, GGC, GGA, GGG 11 L Leucine TTA, TTG, CTT, CTC, CTA, CTG 12 S Serine TCT, TCC, TCA, TCG, AGT, AGC 13 P Proline CCT, CCC, CCA, CCG 14 F Phenylalanine TTT, TTC 15 I Isoleucine ATT, ATC, ATA 16 C Cysteine TGT, TGC 17 A Alanine GCT, GCC, GCA, GCG 18 K Lysine AAA, AAG 19 Y Thyroxine TAT, TAC 20 W Tryptophan TGG Stop TAA, TAG, TGA