Table 3.
Distribution of Repetitive Elements in the Human DSCR and the Corresponding Mouse Region
| Human (1,792,995 bp) GC level 42.43% | Mouse (1,350,235 bp) GC level 45.35% | |||
|---|---|---|---|---|
| number of elements | percentage of sequence | number of elements | percentage of sequence | |
| SINEs | 982 | 12.97 | 799 | 8.53 |
| Alus | 719 | 10.81 | ||
| B1s | 273 | 2.36 | ||
| B2–B4 | 465 | 5.75 | ||
| IDs | 26 | 0.13 | ||
| MIRs | 263 | 2.16 | 35 | 0.30 |
| LINEs | 485 | 16.07 | 197 | 5.35 |
| LINE1 | 316 | 13.34 | 176 | 5.13 |
| LINE2 | 159 | 2.60 | 20 | 0.22 |
| L3/CR1 | 10 | 0.13 | 1 | 0.00 |
| LTR elements | 327 | 7.83 | 353 | 8.14 |
| MaLRs | 198 | 4.19 | 269 | 5.46 |
| ERVL | 58 | 1.19 | 15 | 0.27 |
| ERV_classI | 54 | 2.10 | 7 | 0.10 |
| ERV_classII | 3 | 0.11 | 13 | 1.04 |
| DNA elements | 224 | 3.16 | 67 | 0.81 |
| MER1_type | 145 | 1.99 | 40 | 0.45 |
| MER2_type | 33 | 0.78 | 22 | 0.32 |
| Unclassified | 1 | 0.03 | 8 | 0.18 |
| Total interspersed repeats | 40.07 | 23.00 | ||
| Small RNA | 7 | 0.05 | 11 | 0.07 |
| Simple repeats | 243 | 0.98 | 694 | 3.96 |
| Low complexity | 200 | 0.57 | 156 | 0.80 |
| Total | 41.63 | 27.79 | ||