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)
PSAT1	1	0.090	0.640				1.961	1.364
SHMT2	1	-0.540	1.300	0.878	1.600	-2.560	0.964	0.784
PHGDH	0	-0.190	-0.280	0.032	-0.024	-0.302	1.449	0.834

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
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_
PSAT1	Ubiquitylation	K314		0.025	_NNGGAAAMEK(gl)LSSIK_
PSAT1	Ubiquitylation	K345	-0.469	-0.747	_SK(gl)MNIPFR_
PSAT1	Ubiquitylation	K356	0.038	-0.916	_IGNAK(gl)GDDALEKR_
PSAT1	Ubiquitylation	K363	0.202	0.480	_GDDALEK(gl)R_
PSAT1	Ubiquitylation	K368	0.653		_FLDK(gl)ALELNMLSLK_
PSAT1	Ubiquitylation	K378	0.370	0.641	_ALELNM(ox)LSLK(gl)GHR_
PSAT1	Ubiquitylation	K407	1.477	-0.423	_LAAFMK(gl)K_
PSAT1	Ubiquitylation	K408	0.176	-0.423	_K(gl)FLEMHQL_
SHMT2	Ubiquitylation	K103	-2.726	-0.554	_YSEGYPGK(gl)R_
SHMT2	Ubiquitylation	K280		-0.564	_HADIVTTTTHK(gl)TLR_
SHMT2	Ubiquitylation	K356		1.096	_EYSLQVLK(gl)NAR_
SHMT2	Ubiquitylation	K409		0.692	_VLELVSITANK(gl)NTCPGDR_
SHMT2	Ubiquitylation	K469		-0.436	_LQDFK(gl)SFLLK_
SHMT2	Ubiquitylation	K474	-1.113	-0.594	_SFLLK(gl)DSETSQR_