Micro-ChIPseq was performed using the True MicroChIP (Diagenode, #C01010130) kit and antibodies that had been validated for specificity and reactivity using the MODified Histone Peptide Array (Active Motif, #13001). The following antibodies were used, 1 g H3K27me3 (Millipore, #07-449, Lot: 21494165), 1 g H3K4me3 (Abcam, #ab8580, Lot: GR164207-1), 0.5 g H3K4me1 (Diagenode, #C15410194, Lot: A1862D), or 0.5 g H3K27ac (Abcam, #ab4729, Lot: GR155970-2). ChIP-seq libraries were prepared using the V1 MicroPlex Library Preparation kit (Diagenode, #C05010011). For the PCR amplification, a total of 16 amplification cycles was used. Libraries were purified using a 1:1 Ampure bead cleanup and eluted in 16 uL of Tris-HCl ph 8.0. Only libraries with enrichment at targeted sites by QPCR were used for sequencing. Libraries were multiplexed and sequenced using an Illumina Hi-Seq-2500 with 50bp single end sequencing.