Immunoprecipitated DNA was purified with QIAquick columns (ZymaResearch). DNA concentration was assessed with a Qubit4 (ThermoFisher) and 5–10 ng was used to generate sequencing libraries using a TruSeq ChIP Sample Preparation Kit (Illumina, Inc., USA). TruSeq ChIP Sample Preparation Kit (Illumina, Inc., USA). RNA-seq libraries were prepared using either Ion Total RNA-seq v2 kit or TruSeq Stranded RNA LT Kit (Illumina).