BAP1	BRCA1 associated protein 1
CDC73	cell division cycle 73
CBX	Chromobox
CDK	Cyclin-dependent kinase
COMPASS	complex of proteins associated with SET1
CTD	carboxyl-terminal domain
DDR	DNA damage response
DOTL1	disruptor of telomere silencing 1
DSBs	double strand breaks
DSS	dextran sodium sulfate
DUBs	deubiquitinating enzymes
E1	ubiquitin-activating enzyme
E2	ubiquitin-conjugating enzyme
E3	ubiquitin ligase
EGR2	early growth response 2
ESCs	embryonic stem cells
FACT	facilitates chromatin transcription
H2AK119ub	histone H2A lysine 119 mono-ubiquitination
H2BK120ub	histone H2B lysine 120 mono-ubiquitination
iPSCs	induced pluripotent stem cells
PAF1	RNA polymerase associated factor 1
PCGF	Polycomb group RING finger
PHC	polyhomeotic homologue
PRC1	Polycomb repressive complex 1
cPRC1	canonical PRC1
ncPRC1	non-canonical PRC1
PRC2	Polycomb repressive complex 2
PR-DUB	Polycomb repressive deubiquitinase
PTM	post-transcriptional modification
SAGA	Spt-Ada-Gcn5 acetyltransferase
UBD	ubiquitin binding domain
USP	ubiquitin specific peptidase
UV	ultra-violet
WAC	WW domain-containing adaptor with coiled-coil