Chromatin immunoprecipitation (ChIP) was performed in biological replicates. For H3K27me3 ChIP assays, cells were cross-linked with 1% (vol/vol) formaldehyde. For SUZ12 and EZH2 ChIP assays, cells were cross-linked with 2 mM disuccinimidyl glutarate (DSG) and 1% (vol/vol) formaldehyde.
ORGANISM(S): Mus musculus