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)
PIGQ	0	-0.490	1.340
PIGB	0	1.890	-1.070
PIGS	0	0.850	-0.500				0.966	0.829
PIGU	0	-0.210	0.490				0.332	0.173
PIGT	0	-0.980	1.680				0.580	0.500
PIGC	0	0.570	-0.250
PIGK	0	-1.290	1.770				0.701	0.445
PIGX	0	-0.740	1.740
PIGA	0	-1.340	1.970
PIGP	0	0.480	0.390
PIGN	0	1.030	-1.040

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
PIGA	Ubiquitylation	K293		-0.812	_LLGALEHK(gl)DVR_
PIGB	Phosphorylation	S18		-1.478	_CGMEPGGGDAS(ph)LTLHGLQNR_
PIGB	Phosphorylation	T20		-1.478	_CGMEPGGGDAS(ph)LTLHGLQNR_
PIGC	Ubiquitylation	K13		-0.118	_(ac)MYAQPVTNTKEVK(gl)_
PIGC	Ubiquitylation	K16		0.420	_WQK(gl)VLYER_
PIGK	Ubiquitylation	K360		-0.653	_YAEQLPVAQIIHQKPK(gl)_
PIGN	Ubiquitylation	K397		-0.186	_LLSDSK(gl)QFNILR_
PIGP	Ubiquitylation	K126		0.996	_K(gl)YQEEAIPALR_
PIGQ	Ubiquitylation	K514		0.098	_LAAGVK(gl)FR_
PIGT	Ubiquitylation	K79		0.791	_ALGQLISK(gl)YSLR_
PIGU	Ubiquitylation	K42		0.550	_VEVVSPLSSWK(gl)R_
PIGX	Ubiquitylation	K54		-0.009	_QEVLK(gl)DGFHR_