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)
SNRPD2	1	-1.740	2.880	0.068	-0.598	0.211	0.010	0.140
CLNS1A	0	-1.140	1.450		-0.181	-0.106
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
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
CLNS1A	Phosphorylation	S102	-0.365	-0.345	_FEEESKEPVADEEEEDS(ph)DDDVEPITEFR_
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_