Table 2.
Synonymous codon usage in the coding region of polioviruses
| AA a | Codon | RSCU b | AA | Codon | RSCU b |
|---|---|---|---|---|---|
| Phe | UUU | 1.020 | Gln | CAA | 1.075 |
| UUC | 0.980 | CAG | 0.925 | ||
| Leu | UUA | 0.914 | His | CAU | 0.787 |
| UUG | 1.349 | CAC | 1.213 | ||
| CUU | 0.566 | Asn | AAU | 0.900 | |
| CUC | 0.909 | AAC | 1.100 | ||
| CUA | 1.023 | Lys | AAA | 1.050 | |
| CUG | 1.072 | AAG | 0.95 | ||
| Val | GUU | 0.441 | Asp | GAU | 0.961 |
| GUC | 0.762 | GAC | 1.039 | ||
| GUA | 0.735 | Glu | GAA | 1.057 | |
| GUG | 1.657 | GAG | 0.943 | ||
| Ser c | UCU | 0.785 | Arg | AGA | 2.868 |
| UCC | 1.345 | AGG | 1.471 | ||
| UCA | 1.749 | CGU | 0.434 | ||
| UCG | 0.424 | CGC | 0.577 | ||
| AGU | 0.920 | CGA | 0.268 | ||
| AGC | 0.777 | CGG | 0.381 | ||
| Pro | CCU | 0.800 | Cys | UGU | 1.105 |
| CCC | 0.799 | UGC | 0.895 | ||
| CCA | 1.884 | Tyr | UAU | 0.847 | |
| CCG | 0.517 | UAC | 1.153 | ||
| Thr | ACU | 1.170 | Ala | GCU | 1.161 |
| ACC | 1.330 | GCC | 0.969 | ||
| ACA | 1.124 | GCA | 1.438 | ||
| ACG | 0.376 | GCG | 0.432 | ||
| Gly | GGU | 1.160 | Ile | AUU | 1.247 |
| GGC | 0.757 | AUC | 1.049 | ||
| GGA | 1.175 | AUA | 0.705 | ||
| GGG | 0.909 |
Note: The boldface means the preferred codon compare with other synonymous codon.