SPL/NZZ ChIP-seq
The DNA sequencing libraries for both ChIP and Input samples were prepared using ThruPLEX DNA-Seq Kit (Takara Bio, cat. number: R400674) and SMARTer DNA Unique Dual Index Kit (Takara Bio, cat. number:  R400697) following manufacturers instructions. DNA double size selection 100-700 bp was performed using SPRIselect beads (Beckman Coulter, cat. number:  B23317).