Table 1.
Background nucleotide compositions at three codon positions specified in simulations
| Content | None | Low | Med-1 | Med-2 | High |
|---|---|---|---|---|---|
| 1st position | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| 2nd position | 0.5 | 0.4 | 0.3 | 0.2 | 0.1 |
| 3rd position | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 |
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