Table 4.
Annotations associated with human TFRs
| High GC (≥57%) | Lower GC (<57%) | All TFRs | |
|---|---|---|---|
| TFRs ≥ 10 kb | 245 | 615 | 860 |
| Fraction of TFRs associated with known genes | 93% | 81% | 85% |
| Fraction TFR bases exonic | 22% | 12% | 15% |
| Fraction of TFRs that overlap with mouse TFRs | 38% | 50% | 47% |
| Fraction of TFRs that overlap with opossum TFRs | 6% | 36% | 27% |
| Percent of ultraconserved elements within TFRs | 1% | 17% | 18% |
| Fraction of TFR bases covered by CpG islands | 20% | 11% | 13% |
| Fraction of TFRs within 2 Mb of chromosome ends | 50% | 2% | 16% |
| Fraction of TFRs within 10 Mb of chromosome ends | 70% | 14% | 20% |