I've provided the codon usage files here as both downloadable links and tables on the page. If you would like a particular organism to be added please contact me.
Downloads
Ecoli table
| codon |
amino_acid |
frequency |
| TAA |
* |
0.61 |
| TAG |
* |
0.09 |
| TGA |
* |
0.3 |
| GCT |
A |
0.18 |
| GCC |
A |
0.26 |
| GCA |
A |
0.23 |
| GCG |
A |
0.33 |
| TGT |
C |
0.46 |
| TGC |
C |
0.54 |
| GAT |
D |
0.63 |
| GAC |
D |
0.37 |
| GAA |
E |
0.68 |
| GAG |
E |
0.32 |
| TTT |
F |
0.58 |
| TTC |
F |
0.42 |
| GGT |
G |
0.35 |
| GGC |
G |
0.37 |
| GGA |
G |
0.13 |
| GGG |
G |
0.15 |
| CAT |
H |
0.57 |
| CAC |
H |
0.43 |
| ATT |
I |
0.49 |
| ATC |
I |
0.39 |
| ATA |
I |
0.11 |
| AAA |
K |
0.74 |
| AAG |
K |
0.26 |
| TTA |
L |
0.14 |
| TTG |
L |
0.13 |
| CTT |
L |
0.12 |
| CTC |
L |
0.1 |
| CTA |
L |
0.04 |
| CTG |
L |
0.47 |
| ATG |
M |
1 |
| AAT |
N |
0.49 |
| AAC |
N |
0.51 |
| CCT |
P |
0.18 |
| CCC |
P |
0.13 |
| CCA |
P |
0.2 |
| CCG |
P |
0.49 |
| CAA |
Q |
0.34 |
| CAG |
Q |
0.66 |
| CGT |
R |
0.36 |
| CGC |
R |
0.36 |
| CGA |
R |
0.07 |
| CGG |
R |
0.11 |
| AGA |
R |
0.07 |
| AGG |
R |
0.04 |
| TCT |
S |
0.17 |
| TCC |
S |
0.15 |
| TCA |
S |
0.14 |
| TCG |
S |
0.14 |
| AGT |
S |
0.16 |
| AGC |
S |
0.25 |
| ACT |
T |
0.19 |
| ACC |
T |
0.4 |
| ACA |
T |
0.17 |
| ACG |
T |
0.25 |
| GTT |
V |
0.28 |
| GTC |
V |
0.2 |
| GTA |
V |
0.17 |
| GTG |
V |
0.35 |
| TGG |
W |
1 |
| TAT |
Y |
0.59 |
| TAC |
Y |
0.41 |
Human table
| codon |
amino_acid |
frequency |
| TAA |
* |
0.28 |
| TAG |
* |
0.2 |
| TGA |
* |
0.52 |
| GCT |
A |
0.26 |
| GCC |
A |
0.4 |
| GCA |
A |
0.23 |
| GCG |
A |
0.11 |
| TGT |
C |
0.45 |
| TGC |
C |
0.55 |
| GAT |
D |
0.46 |
| GAC |
D |
0.54 |
| GAA |
E |
0.42 |
| GAG |
E |
0.58 |
| TTT |
F |
0.45 |
| TTC |
F |
0.55 |
| GGT |
G |
0.16 |
| GGC |
G |
0.34 |
| GGA |
G |
0.25 |
| GGG |
G |
0.25 |
| CAT |
H |
0.41 |
| CAC |
H |
0.59 |
| ATT |
I |
0.36 |
| ATC |
I |
0.48 |
| ATA |
I |
0.16 |
| AAA |
K |
0.42 |
| AAG |
K |
0.58 |
| TTA |
L |
0.07 |
| TTG |
L |
0.13 |
| CTT |
L |
0.13 |
| CTC |
L |
0.2 |
| CTA |
L |
0.07 |
| CTG |
L |
0.41 |
| ATG |
M |
1 |
| AAT |
N |
0.46 |
| AAC |
N |
0.54 |
| CCT |
P |
0.28 |
| CCC |
P |
0.33 |
| CCA |
P |
0.27 |
| CCG |
P |
0.11 |
| CAA |
Q |
0.25 |
| CAG |
Q |
0.75 |
| CGT |
R |
0.08 |
| CGC |
R |
0.19 |
| CGA |
R |
0.11 |
| CGG |
R |
0.21 |
| AGA |
R |
0.2 |
| AGG |
R |
0.2 |
| TCT |
S |
0.18 |
| TCC |
S |
0.22 |
| TCA |
S |
0.15 |
| TCG |
S |
0.06 |
| AGT |
S |
0.15 |
| AGC |
S |
0.24 |
| ACT |
T |
0.24 |
| ACC |
T |
0.36 |
| ACA |
T |
0.28 |
| ACG |
T |
0.12 |
| GTT |
V |
0.18 |
| GTC |
V |
0.24 |
| GTA |
V |
0.11 |
| GTG |
V |
0.47 |
| TGG |
W |
1 |
| TAT |
Y |
0.43 |
| TAC |
Y |
0.57 |