Table 2.
Cross-correlation of HELP results with genomic annotations
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Substantial proportions of CpG islands and promoters fall into the methylated category, as defined by our threshold of a 0.15 centered HpaII/MspI log ratio value. In addition, a minority of repetitive sequences falls into the hypomethylated category, indicating that cytosine methylation may have a more complex intragenomic distribution than previously believed.
