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)
HIBADH	3	-2.110	4.730	-0.456			2.647	2.520
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
AHCY	0	0.070	-0.370	0.448	0.752	-1.126	0.195	-0.279
GRHPR	0	-0.600	0.670				-1.778	-0.778
GRHPR	0	-0.600	0.670	0.454
AHCYL2	0	0.290	-0.240	-0.613	0.147	-1.090
AHCYL2	0	0.290	-0.240
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
AHCYL1	0	-0.080	0.400	-0.613	0.147	-1.090

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
AHCY	Ubiquitylation	K43		0.164	_YSASK(gl)PLK_
AHCY	Ubiquitylation	K46	0.699	-0.332	_YSASKPLK(gl)GAR_
AHCY	Ubiquitylation	K186	0.195	-0.162	_VPAINVNDSVTK(gl)SK_
AHCY	Ubiquitylation	K188	0.784	0.743	_SK(gl)FDNLYGCR_
AHCY	Ubiquitylation	K204	0.055	-0.020	_ESLIDGIK(gl)R_
AHCY	Ubiquitylation	K226	0.829	0.442	_VAVVAGYGDVGK(gl)GCAQALR_
AHCY	Ubiquitylation	K405	0.352	0.515	_LNVK(gl)LTK_
AHCY	Ubiquitylation	K408	0.040	0.435	_LTK(gl)LTEK_
AHCYL1	Phosphorylation	S2	-1.071	0.510	_(ac)S(ph)M(ox)PDAM(ox)PLPGVGEELK_
AHCYL1	Ubiquitylation	K111	0.290	-1.029	_NIK(gl)QAEFGRR_
AHCYL1	Ubiquitylation	K267	0.573		_LYQLSK(gl)AGK_
AHCYL2	Phosphorylation	S2	-1.071	0.510	_(ac)S(ph)M(ox)PDAM(ox)PLPGVGEELK_
AHCYL2	Phosphorylation	S107	0.835	0.621	_DGGEALVS(ph)PDGTVTEAPR_
AHCYL2	Ubiquitylation	K111	0.290	-1.029	_NIK(gl)QAEFGRR_
AHCYL2	Ubiquitylation	K267	0.573		_LYQLSK(gl)AGK_
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_