RNAi screen result	RNAPII IP (MG132)	CSB IP	CSB IP (MG132)	Chrom.	Chrom. (MG132)	Ubi /Phospo	Ubi /Phospho (MG132)
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Gene name	MGoogle Score	RNAi high	RNAi low	RNAPII-IP (MG132)	CSB-IP	CSB-IP (MG132)	Chrom.	Chrom. (MG132)
CHST12	1	2.390	-0.800
ST3GAL4	0	0.110	0.610
UBIAD1	0	0.280	-0.580
GALNT2	0	-0.260	0.880				0.369	0.640
RER1	0	0.680	-0.770
RER1	0	0.680	-0.770				0.454	0.389
B4GAT1	0	0.950	-1.160				0.015	0.066
BET1L	0	-0.830	0.840
ENTPD4	0	-0.780	0.800

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
B4GAT1	Ubiquitylation	K60	-0.854	0.234	_SVDQVK(gl)AQLR_
B4GAT1	Ubiquitylation	K188	-0.324	-0.037	_SCQEVFDK(gl)LAR_
BET1L	Phosphorylation	S9	-0.260	0.105	_AQS(ph)PGAVEEILDRENK_
BET1L	Ubiquitylation	K31	-0.228	0.363	_MADSLASK(gl)VTR_
BET1L	Phosphorylation	S37	1.413	1.437	_LKS(ph)LALDIDRDAEDQNR_
CHST12	Ubiquitylation	K142		-1.045	_GFCANSSLAFPTK(gl)ER_
ENTPD4	Ubiquitylation	K348		-0.267	_IFANTIQK(gl)NR_
ENTPD4	Ubiquitylation	K487		-0.988	_LK(gl)YQCFK_
RER1	Phosphorylation	S2	-0.044	0.742	_(ac)S(ph)EGDSVGESVHGKPSVVYR_
RER1	Phosphorylation	S6	0.895	0.285	_SEGDS(ph)VGESVHGKPSVVYR_
RER1	Ubiquitylation	K14	-0.247	0.708	_(ac)SEGDSVGESVHGK(gl)PSVVYR_
RER1	Phosphorylation	S95	-0.845	-0.673	_VDPSLM(ox)EDS(ph)DDGPSLPTK_
RER1	Phosphorylation	S100	-0.666	-1.017	_VDPSLM(ox)EDSDDGPS(ph)LPTK_
RER1	Ubiquitylation	K181	-0.541	-0.030	_YIPFTHGK(gl)R_
RER1	Ubiquitylation	K192	-0.019	0.483	_GKEDAGK(gl)AFAS_
ST3GAL4	Ubiquitylation	K111		-0.945	_LNNAPVAGYEGDVGSK(gl)TTMR_
UBIAD1	Ubiquitylation	K307	-3.291	0.308	_SQAFNK(gl)LPQR_