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)
CTBP2	1	2.270	-1.110
CTBP2	1	2.270	-1.110	1.494	-0.398	0.504	0.897	-0.123
PHGDH	0	-0.190	-0.280	0.032	-0.024	-0.302	1.449	0.834
GRHPR	0	-0.600	0.670				-1.778	-0.778
GRHPR	0	-0.600	0.670	0.454
CTBP1	0	-0.410	0.390
CTBP1	0	-0.410	0.390	-0.293	-0.875	0.361	0.407	-0.049
CTBP1	0	-0.410	0.390	1.494	-0.398	0.504	0.897	-0.123

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
CTBP1	Ubiquitylation	K279	0.443		_GGLVDEK(gl)ALAQALK_
CTBP1	Ubiquitylation	K286	0.130	0.008	_ALAQALK(gl)EGR_
CTBP1	Phosphorylation	S492		-1.548	_YPPGIVGVAPGGLPAAM(ox)EGIIPGGIPVTHNLPTVAHPS(ph)QAPSPNQPTK_
CTBP2	Ubiquitylation	K6	0.873	0.855	_(ac)ALVDK(gl)HK_
CTBP2	Ubiquitylation	K279	0.443		_GGLVDEK(gl)ALAQALK_
CTBP2	Ubiquitylation	K286	0.130	0.008	_ALAQALK(gl)EGR_
CTBP2	Phosphorylation	S492		-1.548	_YPPGIVGVAPGGLPAAM(ox)EGIIPGGIPVTHNLPTVAHPS(ph)QAPSPNQPTK_
PHGDH	Ubiquitylation	K21	0.211	0.538	_K(gl)ILQDGGLQVVEK_
PHGDH	Ubiquitylation	K58	-0.078	0.489	_SATK(gl)VTADVINAAEK_
PHGDH	Ubiquitylation	K69	0.277	0.839	_VTADVINAAEK(gl)LQVVGR_
PHGDH	Ubiquitylation	K289	-0.629	-0.819	_ALVDHENVISCPHLGASTK(gl)EAQSR_
PHGDH	Ubiquitylation	K351	-0.346	0.413	_AWAGSPK(gl)GTIQVITQGTSLK_
PHGDH	Ubiquitylation	K384	-0.129	-0.044	_EASK(gl)QADVNLVNAK_
PHGDH	Ubiquitylation	K394	-0.043		_QADVNLVNAK(gl)LLVK_