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)
YBX1	2	-0.180	-0.010		-0.197	-0.190	-1.344	-0.617
SRSF7	2	-0.690	0.700	-0.134	-0.453	-0.090	0.040	-0.277
SNRPD2	1	-1.740	2.880	0.068	-0.598	0.211	0.010	0.140
TOE1	1	2.440	-1.080	-0.038	-0.115	0.854	-0.555	0.285
SNRPD3	0			-0.044	-0.427	0.192
SNRPB	0	-0.690	0.900	0.279	-0.218	0.342	0.246	0.550
SNRPF	0			-0.086	-0.877	-0.179	-0.438	0.348
SNRPG	0			-0.190	-0.311	0.245	0.156	0.568
SNRPG	0
SNRPD1	0	-0.780	0.750	0.034	-0.359	0.355	-1.109	-0.252
SNRNP48	0	-0.420	0.230
SNRPE	0	-1.140	2.270	-0.259	-0.638	-0.181	0.064	-0.174

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
SNRNP48	Ubiquitylation	K120		-1.033	_DSQFQIIK(gl)QAR_
SNRPB	Ubiquitylation	K8	0.805		_SSK(gl)MLQHIDYR_
SNRPB	Ubiquitylation	K32		0.987	_IFIGTFK(gl)_
SNRPB	Ubiquitylation	K88	-0.870		_GENLVSMTVEGPPPK(gl)DTGIAR_
SNRPD1	Ubiquitylation	K44	0.032		_AVK(gl)MTLK_
SNRPD2	Phosphorylation	S2	-0.117	0.507	_(ac)S(ph)LLNKPK_
SNRPD2	Ubiquitylation	K6	-0.352		_(ac)SLLNK(gl)PK_
SNRPD2	Ubiquitylation	K8	-0.201	-0.603	_(ac)SLLNKPK(gl)SEMTPEELQK_
SNRPD2	Phosphorylation	T12		0.766	_SEMT(ph)PEELQKR_
SNRPD2	Ubiquitylation	K98	0.883	0.887	_YISK(gl)MFLR_
SNRPD2	Ubiquitylation	K118	-0.918	-0.587	_NPLIAGK(gl)_
SNRPD3	Ubiquitylation	K78		0.797	_FLILPDMLK(gl)NAPMLK_
SNRPD3	Ubiquitylation	K84	-0.440	0.082	_NAPMLK(gl)SMK_
SNRPF	Ubiquitylation	K8	-1.763		_(ac)SLPLNPK(gl)PFLNGLTGKPVMVK_
SNRPF	Ubiquitylation	K17	-1.612		_(ac)SLPLNPKPFLNGLTGK(gl)PVMVK_
SNRPF	Ubiquitylation	K24	0.208	0.915	_LK(gl)WGMEYK_
SNRPG	Ubiquitylation	K3	0.152		_(ac)SK(gl)AHPPELKK(gl)_
SNRPG	Ubiquitylation	K11	-0.955		_AHPPELKK(gl)_
SNRPG	Ubiquitylation	K20	-0.065		_LSLK(gl)LNGGR_
SRSF7	Ubiquitylation	K12	1.581		_YGGETK(gl)VYVGNLGTGAGK_
SRSF7	Ubiquitylation	K24	0.588	0.481	_VYVGNLGTGAGK(gl)GELER_
SRSF7	Ubiquitylation	K70	1.291	2.646	_GLDGK(gl)VICGSR_
SRSF7	Phosphorylation	S192	0.600	0.679	_YFQS(ph)PSR_
TOE1	Phosphorylation	S5	0.486	0.438	_AADS(ph)DDGAVSAPAASDGGVSK_
YBX1	Ubiquitylation	K64	5.830	4.056	_VLGTVK(gl)WFNVR_
YBX1	Ubiquitylation	K137	-0.751	0.084	_GAEAANVTGPGGVPVQGSK(gl)YAADR_
YBX1	Phosphorylation	Y162		-0.210	_NYQQNY(ph)QNSESGEKNEGSESAPEGQAQQR_
YBX1	Phosphorylation	S165	0.119	0.151	_NYQQNYQNS(ph)ESGEK_
YBX1	Ubiquitylation	K170	-0.297	0.298	_NYQQNYQNSESGEK(gl)NEGSESAPEGQAQQR_
YBX1	Phosphorylation	S174	0.041	0.228	_NEGS(ph)ESAPEGQAQQR_
YBX1	Phosphorylation	S176	0.061	0.075	_NEGSES(ph)APEGQAQQR_
YBX1	Phosphorylation	S209	0.658	-0.148	_RPQYS(ph)NPPVQGEVM(ox)EGADNQGAGEQGRPVR_