Table 2 Base composition at each position in the 5'-end sequences
Position | A | G | C | T | %purine (A+G) |
|---|---|---|---|---|---|
1 | 505 (2.7%) | 16977 (90%) | 350 (1.9%) | 1011 (5.4%) | 93 |
2 | 8185 (43%) | 8613 (46%) | 1066 (5.7%) | 979 (5.2%) | 89 |
3 | 5146 (27%) | 5237 (28%) | 2978 (16%) | 5482 (29%) | 55 |
4 | 5408 (29%) | 5645 (30%) | 3545 (19%) | 4249 (23%) | 59 |
5 | 5517 (29%) | 5455 (29%) | 3225 (17%) | 4646 (25%) | 58 |
10 | 5456 (29%) | 3879 (21%) | 3849 (20%) | 5659 (30%) | 50 |