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)
MAPK14	2	-0.160	-0.350
KRAS	1	-0.510	0.620				1.031	0.887
KRAS	1	-0.510	0.620				0.246	-0.346
NRAS	1	1.810	-0.720				0.246	-0.346
RALA	0	-0.480	0.600				0.727	0.398
RALB	0	-0.960	2.060
HRAS	0	1.470	-0.520
SRC	0	0.050	0.470	-0.031

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
HRAS	Ubiquitylation	K170	-1.005		_K(gl)LNPPDESGPGCMSCK_
KRAS	Ubiquitylation	K128	1.528	1.433	_TVDTK(gl)QAHELAK_
KRAS	Ubiquitylation	K235	0.591	0.087	_TVDTK(gl)QAQDLAR_
KRAS	Ubiquitylation	K254	-0.450	-0.156	_SYGIPFIETSAK(gl)TR_
MAPK14	Phosphorylation	S2	3.221	3.623	_(ac)S(ph)QERPTFYR_
MAPK14	Phosphorylation	T180	0.958	1.087	_HTDDEM(ox)T(ph)GYVATR_
MAPK14	Phosphorylation	Y182	1.388	1.374	_HTDDEM(ox)TGY(ph)VATR_
MAPK14	Ubiquitylation	K249	0.073	-1.380	_LVGTPGAELLKK(gl)_
NRAS	Ubiquitylation	K128	1.528	1.433	_TVDTK(gl)QAHELAK_
RALA	Ubiquitylation	K7	0.700		_(ac)AANKPK(gl)GQNSLALHK_
RALA	Ubiquitylation	K134	0.656	-0.585	_SDLEDK(gl)RQVSVEEAK_
RALA	Ubiquitylation	K143		-0.388	_QVSVEEAK(gl)NR_
RALB	Ubiquitylation	K29	0.645		_SK(gl)GQSSLALHK_
SRC	Phosphorylation	S17	-0.604	-0.689	_S(ph)LEPAENVHGAGGGAFPASQTPSKPASADGHR_
SRC	Phosphorylation	S75	0.060	0.331	_LFGGFNSSDTVTS(ph)PQR_