title: GSM6505244: mouse ESC, H3K27me3, wt rep 4; Mus musculus; ChIP-Seq
library_construction_protocol: Cells were fixed with 0.6% formaldehyde NEB End Repair, purified with AMPure XP Beads, A-Tailing with Klenow Fragment, Ligated 1uM TruSeq Adapters