Sequencing libraries were prepared from 1.0 ng of DNA subjected to ChIP and input samples by a Mondrian SP+ system (Nugen) with an Ovation SP ultralow DR multiplex system (Nugen). The libraries were further purified and size-selected using an AMPure XP kit (Beckman Coulter) and were quantified by a quantitative MiSeq (qMiSeq) method (65 (link)). The samples were sequenced on a HiSeq 2500 (Illumina) that generated 101-base reads. Sequencing data were aligned with the hg19 reference genome with Bowtie2 (66 (link)), and peaks were called with MACS2 (67 (link)). ChIP-seq peak visualization was done with Integrative Genomic Viewer (68 (link)).
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