Table 2.
Distribution of Repetitive Elements in Human, Cat, and Mouse MHC Regions
| Extended class II region
|
Classical class II region
|
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| human 278,351 bp
|
cat 232,000 bp
|
mouse 189,400 bp
|
human 719,485 bp
|
cat 526,291 bp
|
mouse 292,290 bp
|
|||||||
| No. | % | No. | % | No. | % | No. | % | No. | % | No. | % | |
| SINEs | 295 | 27.0 | 151 | 11.8 | 158 | 11.5 | 293 | 9.7 | 286 | 9.1 | 236 | 10.9 |
| LINEs | 48 | 6.8 | 59 | 12.2 | 7 | 0.5 | 250 | 23.0 | 66 | 23.6 | 30 | 4.3 |
| LTRs | 29 | 6.3 | 14 | 2.1 | 48 | 12.3 | 129 | 11.1 | 32 | 2.1 | 76 | 13.4 |
| DNA transposan | 35 | 2.9 | 26 | 2.7 | 4 | 0.4 | 78 | 3.8 | 40 | 2.1 | 7 | 0.5 |
| STRsa | 39 | 97 | 80 | 110 | 188 | 106 | ||||||
| di | 26 | 84 | 59 | 91 | 158 | 98 | ||||||
| tri | 5 | 6 | 9 | 1 | 9 | 12 | ||||||
| tetra | 8 | 4 | 12 | 17 | 17 | 17 | ||||||
| penta | 0 | 2 | 0 | 1 | 3 | 6 | ||||||
| hexa | 0 | 1 | 0 | 0 | 1 | 2 | ||||||
a
STRs with more than six perfect repeats were counted.