Replication timing profiles were not available for gastric tissue. We therefore used the mean replication timing profile of 13 cell lines (Bj, Nhek, K562, Mcf7, Gm06990, Gm12812, Imr90, Hepg2, Helas3, Gm12801, Huvec, Gm12878, and Gm12813) generated by ENCODE71.