Table 4.
Pooled Synonymous Codon Frequencies for 10862 Human RefSeqs Normalized by Amino Acid Totals
| Amino acid | Codon number | |||||
| 1 | 2 | 3 | 4 | 5 | 6 | |
| PHE | 0.465 | 0.535 | ||||
| LEU | 0.132 | 0.191 | 0.072 | 0.397 | 0.078 | 0.130 |
| ILE | 0.364 | 0.473 | 0.162 | |||
| MET | 1.000 | |||||
| VAL | 0.182 | 0.236 | 0.118 | 0.464 | ||
| SER | 0.185 | 0.215 | 0.149 | 0.056 | 0.154 | 0.240 |
| PRO | 0.288 | 0.321 | 0.278 | 0.113 | ||
| THR | 0.247 | 0.353 | 0.283 | 0.117 | ||
| ALA | 0.266 | 0.399 | 0.230 | 0.104 | ||
| TYR | 0.445 | 0.555 | ||||
| HIS | 0.421 | 0.579 | ||||
| GLN | 0.265 | 0.735 | ||||
| ASN | 0.472 | 0.528 | ||||
| LYS | 0.432 | 0.568 | ||||
| ASP | 0.471 | 0.529 | ||||
| GLU | 0.431 | 0.569 | ||||
| CYS | 0.456 | 0.544 | ||||
| TRP | 1.000 | |||||
| ARG | 0.084 | 0.188 | 0.014 | 0.206 | 0.208 | 0.201 |
| GLY | 0.165 | 0.340 | 0.253 | 0.242 | ||











