Find in Library

Polycomb repressive complexes PRC1 and PRC2 act non-redundantly at target genes to regulate transcription. Here the authors present engineered mouse ESCs targeting the PRC2 subunits EZH1 and EZH2 to discriminate between contributions of distinct H3K27 methylation states and the presence of PRC2/1 at chromatin, and provide evidence for the role of H3K27 acetylation in PRC2-mediated functions.