Table 1 Mutation counts by class in the 5'leader and 3' trailer sequences of genes exhibiting high and low Kp/Ku ratios.
From: Positive selection for unpreferred codon usage in eukaryotic genomes
| Â | Mutation Type | Â | Â | |
|---|---|---|---|---|
| Â | A/T->G/C | GC->A/T | Chi. Sq. | P value |
Cryptococcus | Â | Â | Â | Â |
   low Kp/Ku | 319 | 333 | 0.2 | 0.66 |
   high Kp/Ku | 360 | 394 |  |  |
Saccharomyces | Â | Â | Â | Â |
   low Kp/Ku | 165 | 128 | 0.29 | 0.59 |
   high Kp/Ku | 310 | 260 |  |  |
Drosophila | Â | Â | Â | Â |
   low Kp/Ku | 219 | 269 | 0.46 | 0.5 |
   high Kp/Ku | 132 | 179 |  |  |