Codon	Full Name	3-Letter Abbreviation	1-Letter Abbreviation	Frequency
TTT	Phenylalanine	Phe	F	0.46
TTC	Phenylalanine	Phe	F	1.54
TTA	Leucine	Leu	L	0.11
TTG	Leucine	Leu	L	0.11
TCT	Serine	Ser	S	2.57
TCC	Serine	Ser	S	1.91
TCA	Serine	Ser	S	0.20
TCG	Serine	Ser	S	0.04
TAT	Tyrosine	Tyr	Y	0.39
TAC	Tyrosine	Tyr	Y	1.61
TAA	Termination (ochre)	Ter	X	N/A
TAG	Termination (amber)	Ter	X	N/A
TGT	Cysteine	Cys	C	0.67
TGC	Cysteine	Cys	C	1.33
TGA	Termination (opal or umber)	Ter	X	N/A
TGG	Tryptophan	Trp	W	1.00
CTT	Leucine	Leu	L	0.22
CTC	Leucine	Leu	L	0.20
CTA	Leucine	Leu	L	0.04
CTG	Leucine	Leu	L	5.33
CCT	Proline	Pro	P	0.23
CCC	Proline	Pro	P	0.04
CCA	Proline	Pro	P	0.44
CCG	Proline	Pro	P	3.29
CAT	Histidine	His	H	0.45
CAC	Histidine	His	H	1.55
CAA	Glutamine	Gln	Q	0.22
CAG	Glutamine	Gln	Q	1.78
CGT	Arginine	Arg	R	4.39
CGC	Arginine	Arg	R	1.56
CGA	Arginine	Arg	R	0.02
CGG	Arginine	Arg	R	0.02
ATT	Isoleucine	Ile	I	0.47
ATC	Isoleucine	Ile	I	2.53
ATA	Isoleucine	Ile	I	0.01
ATG	Methionine	Met	M	1.00
ACT	Threonine	Thr	T	1.80
ACC	Threonine	Thr	T	1.87
ACA	Threonine	Thr	T	0.14
ACG	Threonine	Thr	T	0.18
AAT	Asparagine	Asn	N	0.10
AAC	Asparagine	Asn	N	1.90
AAA	Lysine	Lys	K	1.60
AAG	Lysine	Lys	K	0.40
AGT	Serine	Ser	S	0.22
AGC	Serine	Ser	S	1.05
AGA	Arginine	Arg	R	0.02
AGG	Arginine	Arg	R	0.00
GTT	Valine	Val	V	2.24
GTC	Valine	Val	V	0.15
GTA	Valine	Val	V	1.11
GTG	Valine	Val	V	0.50
GCT	Alanine	Ala	A	1.88
GCC	Alanine	Ala	A	0.23
GCA	Alanine	Ala	A	1.10
GCG	Alanine	Ala	A	0.80
GAT	Aspartate	Asp	D	0.61
GAC	Aspartate	Asp	D	1.39
GAA	Glutamate	Glu	E	1.59
GAG	Glutamate	Glu	E	0.41
GGT	Glycine	Gly	G	2.28
GGC	Glycine	Gly	G	1.65
GGA	Glycine	Gly	G	0.02
GGG	Glycine	Gly	G	0.04
N/A	Aspartate or Asparagine	N/A	B	N/A
N/A	Glutamate or Glutamine	N/A	Z	N/A