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)
RPF1	1	0.230	-0.510				-2.110	0.040
PPAN	1	0.380	-0.470				-0.791	0.014
PPAN-P2RY1	1						-0.791	0.014
BRIX1	0	-0.650	0.560		-0.447	0.196	-0.204	0.077
IMP4	0	0.520	-0.300				-0.575	0.435
RPF2	0	-0.560	0.910				0.070	0.437

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
BRIX1	Ubiquitylation	K31		-0.411	_RNEIDAEPPAK(gl)R_
BRIX1	Phosphorylation	Y259		-0.428	_IFQGSFGGPTLYENPHY(ph)QSPNM(ox)HR_
BRIX1	Phosphorylation	S261		-0.246	_IFQGSFGGPTLYENPHYQS(ph)PNMHR_
BRIX1	Ubiquitylation	K276		0.684	_SITAAK(gl)YR_
IMP4	Ubiquitylation	K105		0.275	_ELK(gl)LVFPGAQR_
PPAN	Ubiquitylation	K217	1.537		_LLQEK(gl)FPNMSR_
PPAN	Phosphorylation	T233	0.135		_LQDISELLAT(ph)GAGLSESEAEPDGDHNITELPQAVAGR_
PPAN	Phosphorylation	S238	0.280	0.393	_LQDISELLATGAGLS(ph)ESEAEPDGDHNITELPQAVAGR_
PPAN	Phosphorylation	S359	0.551	0.644	_VGGS(ph)DEEASGIPSR_
PPAN-P2RY11	Ubiquitylation	K217	1.537		_LLQEK(gl)FPNMSR_
PPAN-P2RY11	Phosphorylation	T233	0.135		_LQDISELLAT(ph)GAGLSESEAEPDGDHNITELPQAVAGR_
PPAN-P2RY11	Phosphorylation	S238	0.280	0.393	_LQDISELLATGAGLS(ph)ESEAEPDGDHNITELPQAVAGR_
PPAN-P2RY11	Phosphorylation	S359	0.551	0.644	_VGGS(ph)DEEASGIPSR_
RPF1	Ubiquitylation	K321	2.340		_SLQK(gl)GTFDSK_