RNAi screen result	RNAPII IP (MG132)	CSB IP	CSB IP (MG132)	Chrom.	Chrom. (MG132)	Ubi /Phospo	Ubi /Phospho (MG132)
W

Gene name	MGoogle Score	RNAi high	RNAi low	RNAPII-IP (MG132)	CSB-IP	CSB-IP (MG132)	Chrom.	Chrom. (MG132)
RIF1	2	1.420	-1.180	-2.063	0.240	0.005	0.360	0.288
CBX1	1	-2.050	3.860		-0.630	0.171	1.328	1.100
TBP	0	1.610	-1.170	-0.831
CCNA2	0	-0.530	0.260

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
CBX1	Ubiquitylation	K35	0.698		_GK(gl)VEYLLK_
CBX1	Phosphorylation	S89	0.056	0.422	_ADS(ph)DSEDKGEESKPK_
CBX1	Ubiquitylation	K139	-0.287		_WK(gl)NSDEADLVPAK_
CBX1	Ubiquitylation	K150	0.289	-0.097	_NSDEADLVPAK(gl)EANVK_
CCNA2	Ubiquitylation	K54		-0.746	_AALAVLK(gl)SGNPR_
CCNA2	Ubiquitylation	K68		-1.274	_GLAQQQRPK(gl)TR_
RIF1	Phosphorylation	S7	0.303	-0.353	_GQS(ph)PLAPLLETLEDPSASHGGQTDAYLTLTSR_
RIF1	Phosphorylation	S402		-1.985	_GASS(ph)PYGAPGTPR_
RIF1	Phosphorylation	T409		-1.985	_GASS(ph)PYGAPGT(ph)PR_
RIF1	Phosphorylation	S782		0.666	_VKS(ph)PQRPSDWSK_
RIF1	Phosphorylation	S1454	0.362	0.645	_S(ph)PLHIKDDVLPK_
RIF1	Phosphorylation	S1542	0.082	0.706	_RAS(ph)QGLLSSIENSESDSSEAKEEGSR_
RIF1	Phosphorylation	S1554		0.475	_RASQGLLSSIENSES(ph)DSSEAKEEGSR_
RIF1	Phosphorylation	S1579	0.402	0.564	_SNES(ph)VDIQDQEEK_
RIF1	Phosphorylation	S1616	1.504	1.400	_ATSEEDVSIKS(ph)PICEK_
RIF1	Phosphorylation	S1688	0.724	0.987	_RDS(ph)FDNCSLGESSK_
RIF1	Ubiquitylation	K1721	0.678		_TFQTLECQHK(gl)R_
RIF1	Phosphorylation	S1873	2.712	1.678	_NVS(ph)QESLETKEEKPEETPK_
RIF1	Phosphorylation	S2144	0.017	-0.130	_VEEPSQCLASGTAISELIIEDNNAS(ph)PQK_
RIF1	Phosphorylation	S2161	-0.390	-0.598	_ELDPSLVSANDS(ph)PSGMQTR_
RIF1	Phosphorylation	S2196	-0.223		_RSQEDEISS(ph)PVNK_
RIF1	Phosphorylation	S2205		-1.368	_RVS(ph)FADPIYQAGLADDIDRR_
RIF1	Phosphorylation	S2348	-0.973	-0.812	_TLPIRS(ph)PK_
RIF1	Phosphorylation	S2393	1.433	1.571	_SLS(ph)PDEER_
TBP	Ubiquitylation	K181	-0.140	-0.577	_LDLK(gl)TIALR_
TBP	Ubiquitylation	K225		-0.596	_MVCTGAK(gl)SEEQSR_