From: Do universal codon-usage patterns minimize the effects of mutation and translation error?
 |  | UC (or AG) | UG (or AC) | UA (or GC) |
---|---|---|---|---|
Bacteria | Natural | 0.23 (1 × 10-6) | 0.14 (1 × 10-6) | 0.023 (0.0012) |
 | Permuted | 0.017 (0.0055) | 0.0020 (0.35) | 0.023 (0.0011) |
 | Random | 0.23 (1 × 10-6) | 0.0026 (0.28) | 0.00064 (0.59) |
Eukaryotes | Natural | 0.21 (1 × 10-6) | 0.0021 (0.46) | 0.12 (1 × 10-6) |
 | Permuted | 0.14 (1 × 10-6) | 0.00012 (0.86) | 0.0033 (0.35) |
 | Random | 0.20 (1 × 10-6) | 0.0014 (0.55) | 0.0069 (0.18) |
Archaea | Natural | 0.14 (0.029) | 0.28 (0.0016) | 0.37 (0.00017) |
 | Permuted | 0.073 (0.13) | 0.016 (0.49) | 0.029 (0.34) |
 | Random | 0.10 (0.071) | 0.00056 (0.90) | 0.025 (0.38) |