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. 2006 Oct 12;7:446. doi: 10.1186/1471-2105-7-446

Table 2.

Basic statistics of CpGcluster and CpGProD islands

hg17 mm7


CpGcluster CpGproD CpGcluster CpGproD
Genome length (without N-runs, bp) 2.85E + 09 2.85E + 09 2.51E + 09 2.51E + 09
Total number of CpGs 28,073,991 28,073,991 20,967,593 20,967,593
CpG-dinucleotides in CpG-islands (%) 4,489,575 (15.99) 4,323,799 (15.40) 2,708,986 (12.92) 2,215,608 (10.57)
Number of islands predicted 197,727 76,793 117,373 40,171
*Island coverage (%) 1.90 2.81 1.47 1.65
Island length (bp):
  Average 273.5 ± 246.7 1043.8 ± 761.7 314.0 ± 293.8 1030.3 ± 560.0
  Minimum 8 500 8 500
  Maximum 7,774 42,276 5,618 9,288
Average island GC-content (%) 63.76 ± 7.51 54.58 ± 6.12 61.58 ± 10.03 54.62 ± 5.17
Average CpG O/E ratio 0.855 ± 0.265 0.636 ± 0.089 0.956 ± 0.428 0.652 ± 0.103
Average CpG-density 0.087 ± 0.041 0.047 ± 0.016 0.097 ± 0.084 0.048 ± 0.015

*Percentage of the genome covered by the CpG-islands.

Basic statistics of the CpG-islands predicted by CpGcluster and CpGProD in the human (hg17) and mouse genomes (mm7).