Bisulfite sequencing of 6 ALL-derived cell lines.

(A) CCRF-HSB2; (B) CCRF-CEM; (C) Malt4; (D) SupT1; (E) PEER; and (F) TALL1. Each circle represents a CpG site. Open circles (○) indicate unmethylated CpG sites; black circles (●), methylated ones. Each row represents an allele. The numbers in parentheses indicate the level of methylation as determined by COBRA.