MethylC-Seq, RNA-Seq and ChIP-Seq sequencing reads and positions of methylcytosines with respect to the NCBI build 36/hg18 reference sequence, gene models and functional genomic elements were visualized in the AnnoJ 2.0 browser, as described previously37. The data mentioned above can be viewed in the AnnoJ browser at http://neomorph.salk.edu/ips_methylomes.