Codon Usage Frequency Table
Inquiry
Escherichia coli (standard genetic code)
Codon | AA | Fraction | Frequency | Number | Codon | AA | Fraction | Frequency | Number |
TTT TTC TTA TTG |
F F L L |
0.58 0.42 0.14 0.13 |
22.1 16.0 14.3 13.0 |
80995 58774 52382 47500 |
TCT TCC TCA TCG |
S S S S |
0.17 0.15 0.14 0.14 |
10.4 9.1 8.9 8.5 |
38027 33430 32715 31146 |
TAT TAC TAA TAG |
Y Y * * |
0.59 0.41 0.61 0.09 |
17.5 12.2 2.0 0.3 |
63937 44631 7356 989 |
TGT TGC TGA TGG |
C C * W |
0.46 0.54 0.30 1.00 |
5.2 6.1 1.0 13.9 |
19138 22188 3623 50991 |
CTT CTC CTA CTG |
L L L L |
0.12 0.10 0.04 0.47 |
11.9 10.2 4.2 48.4 |
43449 37347 15409 177210 |
CCT CCC CCA CCG |
P P P P |
0.18 0.13 0.20 0.49 |
7.5 5.4 8.6 20.9 |
27340 19666 31534 76644 |
CAT CAC CAA CAG |
H H Q Q |
0.57 0.43 0.34 0.66 |
12.5 9.3 14.6 28.4 |
45879 34078 53394 104171 |
CGT CGC CGA CGG |
R R R R |
0.36 0.36 0.07 0.11 |
20.0 19.7 3.8 5.9 |
73197 72212 13844 21552 |
ATT ATC ATA ATG |
I I I M |
0.49 0.39 0.11 1.00 |
29.8 23.7 6.8 26.4 |
109072 86796 24984 96695 |
ACT ACC ACA ACG |
T T T T |
0.19 0.40 0.17 0.25 |
10.3 22.0 9.3 13.7 |
37842 80547 33910 50269 |
AAT AAC AAA AAG |
N N K K |
0.49 0.51 0.74 0.26 |
20.6 21.4 35.3 12.4 |
75436 78443 129137 45459 |
AGT AGC AGA AGG |
S S R R |
0.16 0.25 0.07 0.04 |
9.9 15.2 3.6 2.1 |
36097 55551 13152 7607 |
GTT GTC GTA GTG |
V V V V |
0.28 0.20 0.17 0.35 |
19.8 14.3 11.6 24.4 |
72584 52439 42420 89265 |
GCT GCC GCA GCG |
A A A A |
0.18 0.26 0.23 0.33 |
17.1 24.2 21.2 30.1 |
62479 88721 77547 110308 |
GAT GAC GAA GAG |
D D E E |
0.63 0.37 0.68 0.32 |
32.7 19.2 39.1 18.7 |
119939 70394 143353 68609 |
GGT GGC GGA GGG |
G G G G |
0.35 0.37 0.13 0.15 |
25.5 27.1 9.5 11.3 |
93325 99390 34799 41277 |
Arabidopsis thaliana (standard genetic code)
Codon | AA | Fraction | Frequency | Number | Codon | AA | Fraction | Frequency | Number |
TTT TTC TTA TTG |
F F L L |
0.51 0.49 0.13 0.22 |
21.9 20.7 12.6 20.9 |
534456 505253 308336 508909 |
TCT TCC TCA TCG |
S S S S |
0.28 0.13 0.20 0.10 |
25.0 11.1 18.1 9.2 |
610403 270545 440264 223500 |
TAT TAC TAA TAG |
Y Y * * |
0.52 0.48 0.36 0.20 |
14.8 13.9 0.9 0.5 |
359583 337738 22128 12250 |
TGT TGC TGA TGG |
C C * W |
0.59 0.41 0.44 1.00 |
10.4 7.1 1.1 12.5 |
254179 171924 26304 304101 |
CTT CTC CTA CTG |
L L L L |
0.26 0.17 0.11 0.11 |
24.2 16.1 9.9 9.9 |
589767 391502 240784 240472 |
CCT CCC CCA CCG |
P P P P |
0.38 0.11 0.33 0.17 |
18.7 5.3 16.2 8.5 |
455638 129838 393957 207684 |
CAT CAC CAA CAG |
H H Q Q |
0.61 0.39 0.56 0.44 |
13.7 8.7 19.3 15.2 |
334012 211635 470475 371091 |
CGT CGC CGA CGG |
R R R R |
0.17 0.07 0.12 0.09 |
9.0 3.8 6.3 4.8 |
220192 91869 152537 117195 |
ATT ATC ATA ATG |
I I I M |
0.41 0.35 0.24 1.00 |
21.7 18.6 12.5 24.4 |
528593 452968 305594 594807 |
ACT ACC ACA ACG |
T T T T |
0.34 0.20 0.30 0.15 |
17.7 10.4 15.7 7.7 |
431031 252577 381774 186589 |
AAT AAC AAA AAG |
N N K K |
0.52 0.48 0.48 0.52 |
22.3 20.9 30.7 32.8 |
543539 508277 749448 798966 |
AGT AGC AGA AGG |
S S R R |
0.16 0.13 0.35 0.20 |
13.9 11.2 18.8 10.9 |
339903 273815 457927 266406 |
GTT GTC GTA GTG |
V V V V |
0.41 0.19 0.15 0.26 |
27.4 12.8 10.0 17.4 |
668037 312848 242644 423929 |
GCT GCC GCA GCG |
A A A A |
0.44 0.16 0.27 0.14 |
28.6 10.4 17.6 8.9 |
697575 253877 427842 217886 |
GAT GAC GAA GAG |
D D E E |
0.68 0.32 0.52 0.49 |
36.7 17.2 34.3 32.3 |
895566 420193 836077 786970 |
GGT GGC GGA GGG |
G G G G |
0.34 0.14 0.37 0.15 |
22.4 9.2 24.3 10.2 |
546544 223041 592219 249165 |
Caenorhabditis elegan (standard genetic code)
Codon | AA | Fraction | Frequency | Number | Codon | AA | Fraction | Frequency | Number |
TTT TTC TTA TTG |
F F L L |
0.50 0.50 0.12 0.23 |
23.9 24.0 10.2 20.1 |
253139 253770 107678 212079 |
TCT TCC TCA TCG |
S S S S |
0.21 0.13 0.25 0.15 |
16.8 10.7 20.4 12.1 |
177232 112689 215921 127964 |
TAT TAC TAA TAG |
Y Y * * |
0.56 0.44 0.44 0.17 |
17.6 13.7 1.6 0.6 |
185598 145166 16504 6683 |
TGT TGC TGA TGG |
C C * W |
0.55 0.45 0.39 1.00 |
11.2 9.1 1.4 11.0 |
118546 95986 14942 116700 |
CTT CTC CTA CTG |
L L L L |
0.24 0.17 0.09 0.14 |
21.1 14.9 7.9 12.1 |
223106 157716 83312 128045 |
CCT CCC CCA CCG |
P P P P |
0.18 0.09 0.53 0.20 |
8.9 4.5 25.9 9.6 |
93596 47421 273982 101820 |
CAT CAC CAA CAG |
H H Q Q |
0.61 0.39 0.66 0.34 |
14.1 9.2 27.2 14.2 |
148752 97770 287219 150209 |
CGT CGC CGA CGG |
R R R R |
0.21 0.10 0.23 0.09 |
11.3 5.2 11.9 4.7 |
119070 54826 126093 49450 |
ATT ATC ATA ATG |
I I I M |
0.53 0.31 0.16 1.00 |
32.4 18.9 9.6 25.9 |
342216 200325 101184 274027 |
ACT ACC ACA ACG |
T T T T |
0.33 0.18 0.34 0.15 |
18.9 10.5 19.8 8.9 |
199854 110926 209655 93703 |
AAT AAC AAA AAG |
N N K K |
0.62 0.38 0.59 0.41 |
30.3 18.4 37.9 26.0 |
319819 194728 400356 274667 |
AGT AGC AGA AGG |
S S R R |
0.15 0.10 0.29 0.08 |
12.1 8.3 15.5 4.0 |
127651 87812 163895 42185 |
GTT GTC GTA GTG |
V V V V |
0.39 0.22 0.16 0.23 |
24.0 13.6 9.9 14.3 |
253488 143320 104173 151285 |
GCT GCC GCA GCG |
A A A A |
0.36 0.20 0.31 0.13 |
22.3 12.6 19.6 8.2 |
235555 133544 207269 86490 |
GAT GAC GAA GAG |
D D E E |
0.68 0.33 0.62 0.38 |
35.5 17.1 40.6 24.4 |
375420 181100 429632 258278 |
GGT GGC GGA GGG |
G G G G |
0.20 0.12 0.59 0.08 |
11.0 6.7 31.5 4.5 |
116505 70868 332512 47074 |
Cricetulus griseus (CHO) (standard genetic code)
Codon | AA | Fraction | Frequency | Number | Codon | AA | Fraction | Frequency | Number |
TTT TTC TTA TTG |
F F L L |
0.47 0.53 0.07 0.14 |
19.6 22.0 6.4 14.1 |
3005 3381 978 2169 |
TCT TCC TCA TCG |
S S S S |
0.22 0.22 0.14 0.05 |
16.0 16.5 10.3 3.4 |
2450 2529 1577 529 |
TAT TAC TAA TAG |
Y Y * * |
0.44 0.56 0.26 0.22 |
13.1 16.4 0.6 0.5 |
2017 2519 93 84 |
TGT TGC TGA TGG |
C C * W |
0.47 0.53 0.53 1.00 |
9.1 10.3 1.2 13.1 |
1397 1589 177 2012 |
CTT CTC CTA CTG |
L L L L |
0.13 0.19 0.08 0.39 |
13.2 18.4 7.6 38.8 |
2023 2818 1174 5955 |
CCT CCC CCA CCG |
P P P P |
0.31 0.32 0.29 0.08 |
16.7 17.0 15.6 4.3 |
2563 2608 2388 657 |
CAT CAC CAA CAG |
H H Q Q |
0.44 0.56 0.24 0.76 |
10.2 12.9 10.3 33.4 |
1563 1980 1587 5122 |
CGT CGC CGA CGG |
R R R R |
0.11 0.18 0.14 0.19 |
5.6 9.3 7.2 10.1 |
863 1429 1102 1558 |
ATT ATC ATA ATG |
I I I M |
0.35 0.51 0.14 1.00 |
17.4 24.8 6.9 23.0 |
2673 3808 1053 3538 |
ACT ACC ACA ACG |
T T T T |
0.26 0.37 0.29 0.08 |
14.1 20.3 15.7 4.5 |
2172 3118 2418 685 |
AAT AAC AAA AAG |
N N K K |
0.45 0.55 0.39 0.61 |
17.4 21.2 24.6 38.4 |
2671 3248 3782 5895 |
AGT AGC AGA AGG |
S S R R |
0.15 0.22 0.19 0.19 |
11.4 16.4 10.1 10.2 |
1756 2521 1557 1570 |
GTT GTC GTA GTG |
V V V V |
0.18 0.24 0.12 0.46 |
11.6 15.7 7.8 30.1 |
1780 2408 1202 4628 |
GCT GCC GCA GCG |
A A A A |
0.32 0.37 0.23 0.07 |
22.4 25.9 16.3 5.0 |
3432 3973 2497 765 |
GAT GAC GAA GAG |
D D E E |
0.47 0.53 0.41 0.59 |
24.6 28.1 28.4 41.1 |
3781 4310 4355 6311 |
GGT GGC GGA GGG |
G G G G |
0.20 0.34 0.25 0.21 |
12.8 21.3 15.8 13.4 |
1968 3268 2425 2063 |
Drosophila melanogaster (standard genetic code)
Codon | AA | Fraction | Frequency | Number | Codon | AA | Fraction | Frequency | Number |
TTT TTC TTA TTG |
F F L L |
0.37 0.63 0.05 0.18 |
13.1 21.9 4.4 16.0 |
241160 402987 80654 294929 |
TCT TCC TCA TCG |
S S S S |
0.08 0.24 0.09 0.20 |
6.9 19.5 7.8 16.7 |
127758 359352 142775 307642 |
TAT TAC TAA TAG |
Y Y * * |
0.37 0.63 0.42 0.32 |
10.7 18.4 0.8 0.6 |
196987 338493 14550 11721 |
TGT TGC TGA TGG |
C C * W |
0.29 0.71 0.26 1.00 |
5.3 13.1 0.5 9.8 |
98056 241823 9358 181191 |
CTT CTC CTA CTG |
L L L L |
0.10 0.15 0.09 0.43 |
8.9 13.9 8.2 38.5 |
164079 255170 150674 709057 |
CCT CCC CCA CCG |
P P P P |
0.13 0.33 0.25 0.29 |
6.9 18.0 13.5 16.0 |
127584 331799 248604 293998 |
CAT CAC CAA CAG |
H H Q Q |
0.40 0.60 0.30 0.70 |
10.5 16.0 15.6 36.7 |
194039 294555 287398 674575 |
CGT CGC CGA CGG |
R R R R |
0.16 0.33 0.15 0.15 |
8.8 18.2 8.5 8.2 |
161800 334733 155637 151728 |
ATT ATC ATA ATG |
I I I M |
0.34 0.47 0.19 1.00 |
16.4 22.9 9.3 23.5 |
302063 421851 171610 431822 |
ACT ACC ACA ACG |
T T T T |
0.17 0.38 0.19 0.26 |
9.5 21.4 10.9 14.5 |
175261 393516 201178 267095 |
AAT AAC AAA AAG |
N N K K |
0.44 0.56 0.29 0.71 |
21.0 26.3 16.5 39.6 |
385441 483430 304266 729428 |
AGT AGC AGA AGG |
S S R R |
0.14 0.25 0.09 0.11 |
11.5 20.5 5.1 6.3 |
211452 377750 93738 115430 |
GTT GTC GTA GTG |
V V V V |
0.18 0.24 0.11 0.47 |
10.9 13.9 6.3 28.0 |
200189 254974 116035 514471 |
GCT GCC GCA GCG |
A A A A |
0.19 0.45 0.17 0.19 |
14.4 33.7 12.7 14.1 |
265295 620889 234549 259119 |
GAT GAC GAA GAG |
D D E E |
0.53 0.47 0.33 0.67 |
27.4 24.7 20.9 42.9 |
504880 454677 383850 789807 |
GGT GGC GGA GGG |
G G G G |
0.21 0.43 0.29 0.07 |
13.2 26.8 17.8 4.6 |
243460 492283 326983 85472 |
Human (standard genetic code)
Codon | AA | Fraction | Frequency | Number | Codon | AA | Fraction | Frequency | Number |
TTT TTC TTA TTG |
F F L L |
0.45 0.55 0.07 0.13 |
16.9 20.4 7.2 12.6 |
336562 406571 143715 249879 |
TCT TCC TCA TCG |
S S S S |
0.18 0.22 0.15 0.06 |
14.6 17.4 11.7 4.5 |
291040 346943 233110 89429 |
TAT TAC TAA TAG |
Y Y * * |
0.43 0.57 0.28 0.20 |
12.0 15.6 0.7 0.5 |
239268 310695 14322 10915 |
TGT TGC TGA TGG |
C C * W |
0.45 0.55 0.52 1.00 |
9.9 12.2 1.3 12.8 |
197293 243685 25383 255512 |
CTT CTC CTA CTG |
L L L L |
0.13 0.20 0.07 0.41 |
12.8 19.4 6.9 40.3 |
253795 386182 138154 800774 |
CCT CCC CCA CCG |
P P P P |
0.28 0.33 0.27 0.11 |
17.3 20.0 16.7 7.0 |
343793 397790 331944 139414 |
CAT CAC CAA CAG |
H H Q Q |
0.41 0.59 0.25 0.75 |
10.4 14.9 11.8 34.6 |
207826 297048 234785 688316 |
CGT CGC CGA CGG |
R R R R |
0.08 0.19 0.11 0.21 |
4.7 10.9 6.3 11.9 |
93458 217130 126113 235938 |
ATT ATC ATA ATG |
I I I M |
0.36 0.48 0.16 1.00 |
15.7 21.4 7.1 22.3 |
313225 426570 140652 443795 |
ACT ACC ACA ACG |
T T T T |
0.24 0.36 0.28 0.12 |
12.8 19.2 14.8 6.2 |
255582 382050 294223 123533 |
AAT AAC AAA AAG |
N N K K |
0.46 0.54 0.42 0.58 |
16.7 19.5 24.0 32.9 |
331714 387148 476554 654280 |
AGT AGC AGA AGG |
S S R R |
0.15 0.24 0.20 0.20 |
11.9 19.4 11.5 11.4 |
237404 385113 228151 227281 |
GTT GTC GTA GTG |
V V V V |
0.18 0.24 0.11 0.47 |
10.9 14.6 7.0 28.9 |
216818 290874 139156 575438 |
GCT GCC GCA GCG |
A A A A |
0.26 0.40 0.23 0.11 |
18.6 28.5 16.0 7.6 |
370873 567930 317338 150708 |
GAT GAC GAA GAG |
D D E E |
0.46 0.54 0.42 0.58 |
22.3 26.0 29.0 40.8 |
443369 517579 577846 810842 |
GGT GGC GGA GGG |
G G G G |
0.16 0.34 0.25 0.25 |
10.8 22.8 16.3 16.4 |
215544 453917 325243 326879 |
Insect (standard genetic code)
Codon | AA | Fraction | Frequency | Number | Codon | AA | Fraction | Frequency | Number |
TTT TTC TTA TTG |
F F L L |
0.25 0.75 0.07 0.20 |
9.2 27.3 5.7 15.9 |
263 786 165 458 |
TCT TCC TCA TCG |
S S S S |
0.19 0.24 0.16 0.12 |
10.8 14.1 9.2 7.2 |
310 405 264 208 |
TAT TAC TAA TAG |
Y Y * * |
0.25 0.75 0.68 0.15 |
8.1 24.1 2.8 0.6 |
232 694 81 18 |
TGT TGC TGA TGG |
C C * W |
0.35 0.65 0.17 1.00 |
6.9 12.8 0.7 11.3 |
199 369 20 325 |
CTT CTC CTA CTG |
L L L L |
0.13 0.22 0.08 0.31 |
10.3 18.1 6.1 25.2 |
297 521 175 724 |
CCT CCC CCA CCG |
P P P P |
0.29 0.31 0.24 0.16 |
14.3 14.8 11.5 7.9 |
410 425 331 226 |
CAT CAC CAA CAG |
H H Q Q |
0.32 0.68 0.39 0.61 |
7.9 16.6 15.2 23.3 |
226 476 437 671 |
CGT CGC CGA CGG |
R R R R |
0.25 0.24 0.08 0.05 |
17.2 16.4 5.5 3.4 |
495 472 157 98 |
ATT ATC ATA ATG |
I I I M |
0.29 0.59 0.12 1.00 |
15.1 30.4 6.0 26.8 |
434 873 173 770 |
ACT ACC ACA ACG |
T T T T |
0.27 0.36 0.21 0.16 |
13.8 18.5 10.7 8.2 |
397 531 308 235 |
AAT AAC AAA AAG |
N N K K |
0.29 0.71 0.31 0.69 |
11.7 28.3 26.0 57.2 |
336 814 746 1644 |
AGT AGC AGA AGG |
S S R R |
0.12 0.17 0.16 0.21 |
6.7 10.1 11.2 14.3 |
194 289 322 411 |
GTT GTC GTA GTG |
V V V V |
0.20 0.30 0.15 0.35 |
14.2 21.4 10.8 25.4 |
407 614 310 731 |
GCT GCC GCA GCG |
A A A A |
0.36 0.30 0.16 0.18 |
27.0 22.7 11.8 13.3 |
775 653 339 381 |
GAT GAC GAA GAG |
D D E E |
0.37 0.63 0.41 0.59 |
19.1 32.9 25.0 36.2 |
550 947 718 1041 |
GGT GGC GGA GGG |
G G G G |
0.36 0.32 0.27 0.05 |
23.1 20.6 17.8 3.3 |
663 592 511 96 |
Mouse (standard genetic code)
Codon | AA | Fraction | Frequency | Number | Codon | AA | Fraction | Frequency | Number |
TTT TTC TTA TTG |
F F L L |
0.43 0.57 0.06 0.13 |
17.1 22.3 6.5 13.3 |
244935 319002 92974 189840 |
TCT TCC TCA TCG |
S S S S |
0.19 0.22 0.14 0.05 |
15.9 18.1 11.6 4.3 |
228046 258787 165371 61116 |
TAT TAC TAA TAG |
Y Y * * |
0.43 0.58 0.26 0.22 |
12.2 16.5 0.6 0.5 |
175198 236579 8861 7491 |
TGT TGC TGA TGG |
C C * W |
0.48 0.52 0.52 1.00 |
11.1 12.1 1.2 12.4 |
158573 173509 17004 177261 |
CTT CTC CTA CTG |
L L L L |
0.13 0.20 0.08 0.39 |
13.2 20.3 8.0 40.0 |
188236 290198 114707 571592 |
CCT CCC CCA CCG |
P P P P |
0.30 0.31 0.28 0.10 |
18.3 18.4 17.1 6.3 |
261478 262874 244064 89477 |
CAT CAC CAA CAG |
H H Q Q |
0.40 0.60 0.25 0.75 |
10.2 15.2 11.4 34.0 |
145279 217261 163794 486041 |
CGT CGC CGA CGG |
R R R R |
0.09 0.18 0.12 0.19 |
4.7 9.5 6.6 10.3 |
66962 136330 94626 147905 |
ATT ATC ATA ATG |
I I I M |
0.34 0.50 0.16 1.00 |
15.6 23.2 7.2 23.1 |
223528 332072 103441 330431 |
ACT ACC ACA ACG |
T T T T |
0.25 0.35 0.29 0.11 |
13.6 19.2 15.9 5.8 |
194120 274588 227958 82653 |
AAT AAC AAA AAG |
N N K K |
0.43 0.57 0.39 0.61 |
15.5 20.7 21.3 33.7 |
221760 296083 305128 482643 |
AGT AGC AGA AGG |
S S R R |
0.15 0.24 0.21 0.22 |
12.3 19.5 11.4 11.7 |
176056 279098 163062 167166 |
GTT GTC GTA GTG |
V V V V |
0.17 0.25 0.12 0.46 |
10.7 15.7 7.4 29.1 |
152706 224465 105532 416428 |
GCT GCC GCA GCG |
A A A A |
0.29 0.38 0.23 0.10 |
20.1 26.4 15.8 6.6 |
288132 378142 226309 94463 |
GAT GAC GAA GAG |
D D E E |
0.44 0.56 0.40 0.60 |
21.1 26.6 26.5 39.4 |
301359 380355 379216 563999 |
GGT GGC GGA GGG |
G G G G |
0.18 0.33 0.26 0.23 |
11.5 21.9 16.9 15.4 |
164971 312846 241435 220474 |
Nicotiana tabacum (Tabacco) (standard genetic code)
Codon | AA | Fraction | Frequency | Number | Codon | AA | Fraction | Frequency | Number |
TTT TTC TTA TTG |
F F L L |
0.58 0.42 0.14 0.24 |
24.4 17.8 12.5 21.9 |
10395 7569 5334 9315 |
TCT TCC TCA TCG |
S S S S |
0.26 0.14 0.23 0.07 |
20.3 10.7 17.7 5.4 |
8634 4542 7543 2290 |
TAT TAC TAA TAG |
Y Y * * |
0.57 0.43 0.41 0.19 |
17.8 13.5 1.1 0.5 |
7573 5737 486 224 |
TGT TGC TGA TGG |
C C * W |
0.57 0.43 0.41 1.00 |
9.9 7.6 1.1 11.6 |
4233 3225 455 4921 |
CTT CTC CTA CTG |
L L L L |
0.26 0.14 0.10 0.12 |
23.7 12.2 9.2 10.4 |
10079 5176 3935 4431 |
CCT CCC CCA CCG |
P P P P |
0.37 0.13 0.40 0.10 |
18.8 6.7 20.0 4.9 |
8012 2862 8540 2098 |
CAT CAC CAA CAG |
H H Q Q |
0.61 0.39 0.58 0.42 |
13.3 8.6 21.3 15.5 |
5650 3672 9069 6618 |
CGT CGC CGA CGG |
R R R R |
0.15 0.08 0.11 0.08 |
7.4 4.0 5.1 3.7 |
3173 1688 2179 1573 |
ATT ATC ATA ATG |
I I I M |
0.50 0.25 0.25 1.00 |
27.3 13.7 13.9 24.8 |
11626 5823 5914 10543 |
ACT ACC ACA ACG |
T T T T |
0.39 0.19 0.33 0.09 |
20.8 10.0 17.4 4.6 |
8844 4251 7420 1946 |
AAT AAC AAA AAG |
N N K K |
0.60 0.40 0.49 0.51 |
27.4 18.6 32.3 33.9 |
11684 7922 13750 14437 |
AGT AGC AGA AGG |
S S R R |
0.17 0.13 0.32 0.26 |
13.3 10.0 15.5 12.5 |
5657 4262 6586 5309 |
GTT GTC GTA GTG |
V V V V |
0.41 0.17 0.17 0.25 |
27.0 11.4 11.2 16.6 |
11505 4855 4755 7057 |
GCT GCC GCA GCG |
A A A A |
0.44 0.17 0.31 0.08 |
32.0 12.6 23.0 5.8 |
13610 5373 9805 2490 |
GAT GAC GAA GAG |
D D E E |
0.68 0.32 0.55 0.45 |
36.7 16.9 35.0 29.1 |
15612 7219 14896 12401 |
GGT GGC GGA GGG |
G G G G |
0.34 0.17 0.34 0.15 |
23.1 11.4 23.5 10.5 |
9831 4854 10006 4482 |
Pichia pastoris (standard genetic code)
Codon | AA | Fraction | Frequency | Number | Codon | AA | Fraction | Frequency | Number |
TTT TTC TTA TTG |
F F L L |
0.56 0.44 0.15 0.33 |
23.9 19.1 14.9 31.4 |
1013 810 634 1332 |
TCT TCC TCA TCG |
S S S S |
0.29 0.20 0.19 0.09 |
23.5 16.3 15.6 7.2 |
996 693 663 305 |
TAT TAC TAA TAG |
Y Y * * |
0.45 0.55 0.53 0.29 |
14.7 18.3 0.9 0.5 |
622 777 38 21 |
TGT TGC TGA TGG |
C C * W |
0.65 0.35 0.18 1.00 |
8.3 4.5 0.3 9.9 |
353 191 13 418 |
CTT CTC CTA CTG |
L L L L |
0.17 0.08 0.12 0.16 |
16.0 7.6 11.2 15.3 |
677 321 475 648 |
CCT CCC CCA CCG |
P P P P |
0.35 0.16 0.40 0.10 |
15.3 6.7 17.1 4.1 |
648 285 725 172 |
CAT CAC CAA CAG |
H H Q Q |
0.54 0.46 0.62 0.38 |
10.5 8.9 23.9 14.5 |
447 378 1015 616 |
CGT CGC CGA CGG |
R R R R |
0.16 0.05 0.11 0.05 |
6.9 2.3 4.6 2.2 |
291 99 195 93 |
ATT ATC ATA ATG |
I I I M |
0.51 0.31 0.18 1.00 |
31.7 19.3 11.5 19.2 |
1347 819 486 813 |
ACT ACC ACA ACG |
T T T T |
0.40 0.24 0.25 0.11 |
23.3 13.7 14.3 6.3 |
989 580 605 267 |
AAT AAC AAA AAG |
N N K K |
0.48 0.52 0.47 0.53 |
23.5 25.7 30.2 34.4 |
998 1090 1280 1460 |
AGT AGC AGA AGG |
S S R R |
0.15 0.09 0.47 0.16 |
12.1 7.4 19.9 6.6 |
514 315 846 281 |
GTT GTC GTA GTG |
V V V V |
0.42 0.23 0.16 0.20 |
26.7 14.5 10.1 12.8 |
1131 615 430 543 |
GCT GCC GCA GCG |
A A A A |
0.45 0.25 0.24 0.06 |
29.6 16.7 15.9 3.7 |
1256 707 675 158 |
GAT GAC GAA GAG |
D D E E |
0.59 0.41 0.58 0.42 |
37.2 26.2 40.2 29.6 |
1578 1110 1706 1255 |
GGT GGC GGA GGG |
G G G G |
0.43 0.14 0.32 0.10 |
26.6 8.6 20.0 6.4 |
1130 365 849 271 |
Pig (standard genetic code)
Codon | AA | Fraction | Frequency | Number | Codon | AA | Fraction | Frequency | Number |
TTT TTC TTA TTG |
F F L L |
0.38 0.62 0.06 0.10 |
16.5 27.2 6.7 10.7 |
9682 15970 3904 6291 |
TCT TCC TCA TCG |
S S S S |
0.15 0.26 0.15 0.06 |
11.0 18.6 10.9 4.1 |
6467 10920 6395 2415 |
TAT TAC TAA TAG |
Y Y * * |
0.35 0.65 0.13 0.08 |
11.1 20.5 0.7 0.4 |
6509 12028 384 250 |
TGT TGC TGA TGG |
C C * W |
0.39 0.61 0.79 1.00 |
8.8 13.6 4.2 13.8 |
5189 8002 2462 8101 |
CTT CTC CTA CTG |
L L L L |
0.10 0.21 0.13 0.40 |
10.5 22.5 13.6 42.8 |
6171 13175 7968 25098 |
CCT CCC CCA CCG |
P P P P |
0.24 0.35 0.27 0.13 |
14.3 20.6 15.9 7.7 |
8418 12079 9337 4531 |
CAT CAC CAA CAG |
H H Q Q |
0.34 0.66 0.25 0.75 |
8.3 16.1 10.6 31.6 |
4850 9423 6208 18519 |
CGT CGC CGA CGG |
R R R R |
0.07 0.22 0.12 0.20 |
3.7 10.9 6.1 10.3 |
2174 6370 3607 6054 |
ATT ATC ATA ATG |
I I I M |
0.30 0.53 0.18 1.00 |
16.5 29.3 10.0 21.2 |
9653 17201 5874 12424 |
ACT ACC ACA ACG |
T T T T |
0.19 0.41 0.26 0.13 |
10.9 23.2 14.9 7.3 |
6379 13626 8768 4263 |
AAT AAC AAA AAG |
N N K K |
0.37 0.63 0.40 0.60 |
14.2 24.2 20.6 30.7 |
8328 14191 12102 18000 |
AGT AGC AGA AGG |
S S R R |
0.12 0.26 0.19 0.20 |
8.2 18.3 9.4 9.9 |
4802 10718 5490 5805 |
GTT GTC GTA GTG |
V V V V |
0.14 0.27 0.12 0.48 |
9.0 17.1 7.4 30.9 |
5261 10030 4343 18102 |
GCT GCC GCA GCG |
A A A A |
0.24 0.45 0.20 0.11 |
16.4 30.7 13.9 7.7 |
9606 18003 8161 4491 |
GAT GAC GAA GAG |
D D E E |
0.38 0.62 0.38 0.62 |
17.2 28.5 23.1 37.4 |
10082 16733 13534 21938 |
GGT GGC GGA GGG |
G G G G |
0.14 0.36 0.26 0.24 |
9.5 24.7 17.4 16.3 |
5569 14478 10200 9552 |
Rat (standard genetic code)
Codon | AA | Fraction | Frequency | Number | Codon | AA | Fraction | Frequency | Number |
TTT TTC TTA TTG |
F F L L |
0.41 0.59 0.06 0.12 |
16.5 24.0 5.6 12.4 |
67342 97917 22946 50586 |
TCT TCC TCA TCG |
S S S S |
0.18 0.23 0.14 0.06 |
14.5 18.1 10.7 4.4 |
59379 73906 43498 17938 |
TAT TAC TAA TAG |
Y Y * * |
0.40 0.60 0.27 0.23 |
11.7 17.6 0.6 0.5 |
47581 71817 2487 2003 |
TGT TGC TGA TGG |
C C * W |
0.45 0.56 0.50 1.00 |
9.7 12.1 1.1 13.3 |
39593 49606 4323 54121 |
CTT CTC CTA CTG |
L L L L |
0.12 0.21 0.07 0.42 |
12.1 20.7 7.3 41.2 |
49547 84406 29920 168065 |
CCT CCC CCA CCG |
P P P P |
0.30 0.32 0.27 0.11 |
17.1 18.3 15.8 6.4 |
69680 74530 64570 26151 |
CAT CAC CAA CAG |
H H Q Q |
0.38 0.62 0.25 0.75 |
9.2 14.9 10.8 33.0 |
37758 60682 44091 134878 |
CGT CGC CGA CGG |
R R R R |
0.09 0.18 0.12 0.20 |
4.9 10.0 6.6 10.7 |
20024 41025 27045 43511 |
ATT ATC ATA ATG |
I I I M |
0.32 0.54 0.14 1.00 |
15.5 25.6 6.7 23.7 |
63414 104432 27251 96623 |
ACT ACC ACA ACG |
T T T T |
0.23 0.37 0.28 0.12 |
12.8 20.3 15.1 6.4 |
52394 82782 61774 26019 |
AAT AAC AAA AAG |
N N K K |
0.40 0.60 0.37 0.63 |
15.1 22.5 20.8 35.0 |
61847 92081 84916 142997 |
AGT AGC AGA AGG |
S S R R |
0.15 0.25 0.20 0.21 |
11.6 19.4 10.6 11.5 |
47538 79105 43324 47066 |
GTT GTC GTA GTG |
V V V V |
0.16 0.26 0.11 0.47 |
10.2 16.7 7.0 30.4 |
41475 68342 28503 124205 |
GCT GCC GCA GCG |
A A A A |
0.28 0.40 0.22 0.10 |
19.5 27.6 15.3 6.9 |
79794 112838 62476 28040 |
GAT GAC GAA GAG |
D D E E |
0.42 0.58 0.39 0.61 |
20.8 28.4 26.3 40.5 |
84969 116171 107203 165509 |
GGT GGC GGA GGG |
G G G G |
0.17 0.34 0.25 0.24 |
11.3 22.4 16.6 15.8 |
46093 91387 67691 64344 |
Saccharomyces cerevisiae (standard genetic code)
Codon | AA | Fraction | Frequency | Number | Codon | AA | Fraction | Frequency | Number |
TTT TTC TTA TTG |
F F L L |
0.59 0.41 0.28 0.29 |
26.1 18.4 26.2 27.2 |
170666 120510 170884 177573 |
TCT TCC TCA TCG |
S S S S |
0.26 0.16 0.21 0.10 |
23.5 14.2 18.7 8.6 |
153557 92923 122028 55951 |
TAT TAC TAA TAG |
Y Y * * |
0.56 0.44 0.48 0.22 |
18.8 14.8 1.1 0.5 |
122728 96596 6913 3312 |
TGT TGC TGA TGG |
C C * W |
0.63 0.37 0.30 1.00 |
8.1 4.8 0.7 10.4 |
52903 31095 4447 67789 |
CTT CTC CTA CTG |
L L L L |
0.13 0.06 0.14 0.11 |
12.3 5.4 13.4 10.5 |
80076 35545 87619 68494 |
CCT CCC CCA CCG |
P P P P |
0.31 0.15 0.42 0.12 |
13.5 6.8 18.3 5.3 |
88263 44309 119641 34597 |
CAT CAC CAA CAG |
H H Q Q |
0.64 0.36 0.69 0.31 |
13.6 7.8 27.3 12.1 |
89007 50785 178251 79121 |
CGT CGC CGA CGG |
R R R R |
0.14 0.06 0.07 0.04 |
6.4 2.6 3.0 1.7 |
41791 16993 19562 11351 |
ATT ATC ATA ATG |
I I I M |
0.46 0.26 0.27 1.00 |
30.1 17.2 17.8 20.9 |
196893 112176 116254 136805 |
ACT ACC ACA ACG |
T T T T |
0.35 0.22 0.30 0.14 |
20.3 12.7 17.8 8.0 |
132522 83207 116084 52045 |
AAT AAC AAA AAG |
N N K K |
0.59 0.41 0.58 0.42 |
35.7 24.8 41.9 30.8 |
233124 162199 273618 201361 |
AGT AGC AGA AGG |
S S R R |
0.16 0.11 0.48 0.21 |
14.2 9.8 21.3 9.2 |
92466 63726 139081 60289 |
GTT GTC GTA GTG |
V V V V |
0.39 0.21 0.21 0.19 |
22.1 11.8 11.8 10.8 |
144243 76947 76927 70337 |
GCT GCC GCA GCG |
A A A A |
0.38 0.22 0.29 0.11 |
21.2 12.6 16.2 6.2 |
138358 82357 105910 40358 |
GAT GAC GAA GAG |
D D E E |
0.65 0.35 0.70 0.30 |
37.6 20.2 45.6 19.2 |
245641 132048 297944 125717 |
GGT GGC GGA GGG |
G G G G |
0.47 0.19 0.22 0.12 |
23.9 9.8 10.9 6.0 |
156109 63903 71216 39359 |
Streptomyces (standard genetic code)
Codon | AA | Fraction | Frequency | Number | Codon | AA | Fraction | Frequency | Number |
TTT TTC TTA TTG |
F F L L |
0.02 0.98 0.00 0.02 |
0.4 25.9 0.1 2.4 |
1234 72059 179 6779 |
TCT TCC TCA TCG |
S S S S |
0.01 0.41 0.02 0.28 |
0.6 20.2 1.1 13.7 |
1803 56276 3013 38183 |
TAT TAC TAA TAG |
Y Y * * |
0.05 0.95 0.03 0.17 |
1.0 19.5 0.1 0.5 |
2727 54303 395 1479 |
TGT TGC TGA TGG |
C C * W |
0.09 0.91 0.80 1.00 |
0.7 7.1 2.4 15.1 |
2004 19634 6617 42057 |
CTT CTC CTA CTG |
L L L L |
0.02 0.36 0.00 0.60 |
1.6 36.6 0.4 60.9 |
4459 101750 997 169359 |
CCT CCC CCA CCG |
P P P P |
0.02 0.41 0.02 0.54 |
1.5 25.4 1.3 33.3 |
4294 70794 3746 92793 |
CAT CAC CAA CAG |
H H Q Q |
0.07 0.93 0.05 0.95 |
1.7 21.8 1.4 25.3 |
4740 60728 3759 70449 |
CGT CGC CGA CGG |
R R R R |
0.07 0.47 0.03 0.38 |
5.5 39.2 2.6 31.8 |
15259 108957 7181 88441 |
ATT ATC ATA ATG |
I I I M |
0.02 0.96 0.02 1.00 |
0.6 27.6 0.7 15.8 |
1759 76866 1850 43995 |
ACT ACC ACA ACG |
T T T T |
0.02 0.65 0.03 0.31 |
1.2 39.8 1.6 18.9 |
3330 110711 4581 52727 |
AAT AAC AAA AAG |
N N K K |
0.04 0.96 0.05 0.95 |
0.7 16.3 1.1 19.7 |
2002 45375 2959 54924 |
AGT AGC AGA AGG |
S S R R |
0.03 0.25 0.01 0.04 |
1.5 12.4 0.8 3.7 |
4219 34568 2165 10191 |
GTT GTC GTA GTG |
V V V V |
0.02 0.55 0.03 0.41 |
1.5 46.9 2.7 34.9 |
4063 130645 7402 97199 |
GCT GCC GCA GCG |
A A A A |
0.02 0.57 0.04 0.36 |
3.1 78.4 5.6 49.4 |
8535 218103 15633 137587 |
GAT GAC GAA GAG |
D D E E |
0.05 0.95 0.15 0.85 |
3.1 58.2 8.7 48.4 |
8523 162110 24291 134604 |
GGT GGC GGA GGG |
G G G G |
0.10 0.64 0.08 0.19 |
9.2 61.0 7.2 18.1 |
25651 169647 19941 50450 |
Yeast (standard genetic code)
Codon | AA | Fraction | Frequency | Number | Codon | AA | Fraction | Frequency | Number |
TTT TTC TTA TTG |
F F L L |
0.59 0.41 0.28 0.29 |
26.1 18.2 26.4 27.1 |
147662 103110 149466 153307 |
TCT TCC TCA TCG |
S S S S |
0.26 0.16 0.21 0.10 |
23.6 14.2 18.8 8.6 |
133502 80612 106266 48524 |
TAT TAC TAA TAG |
Y Y * * |
0.56 0.44 0.48 0.24 |
18.8 14.7 1.0 0.5 |
106420 83100 5596 2681 |
TGT TGC TGA TGG |
C C * W |
0.63 0.37 0.29 1.00 |
8.0 4.7 0.6 10.3 |
45222 26520 3516 58416 |
CTT CTC CTA CTG |
L L L L |
0.13 0.06 0.14 0.11 |
12.2 5.4 13.4 10.4 |
68959 30501 75775 59027 |
CCT CCC CCA CCG |
P P P P |
0.31 0.15 0.41 0.12 |
13.6 6.8 18.2 5.3 |
77061 38414 103062 29916 |
CAT CAC CAA CAG |
H H Q Q |
0.64 0.36 0.69 0.31 |
13.7 7.8 27.5 12.2 |
77724 44082 155751 68932 |
CGT CGC CGA CGG |
R R R R |
0.15 0.06 0.07 0.04 |
6.5 2.6 3.0 1.7 |
36693 14645 17111 9872 |
ATT ATC ATA ATG |
I I I M |
0.46 0.26 0.27 1.00 |
30.2 17.1 17.8 20.9 |
171272 96735 100930 118274 |
ACT ACC ACA ACG |
T T T T |
0.35 0.22 0.30 0.13 |
20.3 12.6 17.8 7.9 |
114746 71204 100680 44995 |
AAT AAC AAA AAG |
N N K K |
0.59 0.41 0.58 0.42 |
36.0 24.9 42.2 30.8 |
204015 141103 239186 174250 |
AGT AGC AGA AGG |
S S R R |
0.16 0.11 0.48 0.21 |
14.2 9.7 21.3 9.2 |
80293 54825 120587 52322 |
GTT GTC GTA GTG |
V V V V |
0.39 0.21 0.21 0.19 |
22.0 11.6 11.8 10.6 |
124665 65664 66649 60286 |
GCT GCC GCA GCG |
A A A A |
0.38 0.22 0.29 0.11 |
21.1 12.5 16.2 6.1 |
119402 71065 91502 34754 |
GAT GAC GAA GAG |
D D E E |
0.65 0.35 0.71 0.29 |
37.8 20.3 45.9 19.1 |
214363 114918 260082 108411 |
GGT GGC GGA GGG |
G G G G |
0.47 0.19 0.22 0.12 |
23.9 9.7 10.9 6.0 |
135417 54977 61825 33885 |
Zea mays (maize) (standard genetic code)
Codon | AA | Fraction | Frequency | Number | Codon | AA | Fraction | Frequency | Number |
TTT TTC TTA TTG |
F F L L |
0.37 0.63 0.08 0.15 |
13.9 24.1 7.8 13.7 |
10405 18021 5819 10227 |
TCT TCC TCA TCG |
S S S S |
0.17 0.22 0.15 0.14 |
12.6 15.8 11.1 9.9 |
9418 11779 8270 7391 |
TAT TAC TAA TAG |
Y Y * * |
0.37 0.63 0.24 0.32 |
10.7 18.6 0.6 0.8 |
7989 13868 447 568 |
TGT TGC TGA TGG |
C C * W |
0.34 0.66 0.44 1.00 |
6.0 11.6 1.1 13.1 |
4502 8650 828 9747 |
CTT CTC CTA CTG |
L L L L |
0.18 0.25 0.08 0.25 |
16.4 23.6 7.8 23.6 |
12255 17598 5856 17602 |
CCT CCC CCA CCG |
P P P P |
0.24 0.24 0.26 0.26 |
13.4 13.3 14.2 14.5 |
10004 9946 10609 10802 |
CAT CAC CAA CAG |
H H Q Q |
0.43 0.57 0.39 0.61 |
10.6 13.9 15.0 23.0 |
7896 10355 11189 17187 |
CGT CGC CGA CGG |
R R R R |
0.12 0.23 0.09 0.15 |
6.6 13.1 4.9 8.6 |
4912 9761 3662 6442 |
ATT ATC ATA ATG |
I I I M |
0.33 0.47 0.20 1.00 |
16.0 22.8 9.4 23.7 |
11943 17033 7049 17706 |
ACT ACC ACA ACG |
T T T T |
0.24 0.33 0.22 0.21 |
12.0 16.2 10.7 10.2 |
8958 12066 7987 7650 |
AAT AAC AAA AAG |
N N K K |
0.40 0.60 0.30 0.70 |
14.7 21.8 16.8 39.5 |
10987 16252 12567 29494 |
AGT AGC AGA AGG |
S S R R |
0.11 0.21 0.16 0.25 |
8.3 15.2 9.2 14.1 |
6219 11381 6855 10527 |
GTT GTC GTA GTG |
V V V V |
0.24 0.29 0.11 0.36 |
16.4 19.9 7.2 24.5 |
12238 14896 5370 18314 |
GCT GCC GCA GCG |
A A A A |
0.25 0.33 0.19 0.23 |
22.4 29.3 16.6 20.9 |
16694 21904 12429 15610 |
GAT GAC GAA GAG |
D D E E |
0.44 0.56 0.36 0.64 |
23.8 30.5 21.8 39.4 |
17764 22752 16250 29427 |
GGT GGC GGA GGG |
G G G G |
0.21 0.39 0.20 0.21 |
15.2 28.2 14.5 15.1 |
11380 21059 10838 11275 |
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