Table 6.
Transition/transversion bias of cyanobacterial tRNAs.
| tRNA | D/L score | Duplications | Conditional duplications | Losses |
|---|---|---|---|---|
| Alanine | 797.5 | 163 (66.8%) | 15 (6.14%) | 553 (226.63%) |
| Arginine | 712.5 | 131 (56.22%) | 18 (7.72%) | 516 (221.45%) |
| Asparagine | 260.0 | 44 (53.01%) | 11 (20.75%) | 194 (233.73%) |
| Aspartate | 287.5 | 53 (67.94%) | 5 (6.84%) | 208 (284.93%) |
| Cysteine | 229.5 | 41 (59.42%) | 4 (5.79%) | 168 (243.47%) |
| Glutamate | 304.5 | 57 (73.07%) | 9 (11.53%) | 219 (280.76%) |
| Glutamine | 292.0 | 50 (56.81%) | 5 (5.68%) | 217 (246.59%) |
| Glycine | 641.5 | 115 (65.34%) | 17 (9.65%) | 469 (266.47%) |
| Histidine | 197.0 | 32 (52.45%) | 7 (11.47%) | 149 (244.26%) |
| Isoleucine | 453.6 | 97 (85.08%) | 6 (5.26%) | 308 (270.17%) |
| Leucine | 1081.5 | 193 (61.66%) | 25 (7.98%) | 792 (253.03%) |
| Lysine | 372.5 | 67 (56.77%) | 9 (7.62%) | 272 (230.50%) |
| Methionine | 598.0 | 108 (59.34%) | 19 (10.43%) | 436 (239.56%) |
| Phenylalanine | 276.5 | 47 (56.62%) | 8 (9.63%) | 206 (248.19%) |
| Proline | 699.5 | 133 (70.74%) | 16 (8.51%) | 500 (265.95%) |
| Serine | 788.5 | 139 (55.60%) | 23 (9.2%) | 580 (232.00%) |
| Threonine | 596.5 | 107 (57.83%) | 15 (8.10%) | 436 (235.67%) |
| Tryptophan | 284.0 | 54 (70.12%) | 5 (6.49%) | 203 (263.63%) |
| Tyrosine | 212.0 | 38 (57.57%) | 6 (9.09%) | 155 (234.84%) |
| Valine | 485.5 | 85 (57.82%) | 19 (12.92%) | 358 (243.53%) |
Result showed loss of cyanobacterial tRNA gene predominate the duplication and conditional duplication event.