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)
SF3B3	2	-2.590	5.210	0.333	-0.136	0.248	-0.316	0.030
SNRPD2	1	-1.740	2.880	0.068	-0.598	0.211	0.010	0.140
SNRPA1	1	-1.610	3.360	-0.071	-0.629	0.211	-0.681	-0.320
GEMIN4	1	0.410	0.040		-0.361	0.231
GEMIN4	1	0.410	0.040				-0.166	-0.019
ARFGEF1	0
SNRPD3	0			-0.044	-0.427	0.192
SF3A2	0	-1.400	2.280	0.210	-0.671	0.296	-0.187	0.298
RRP9	0	-0.600	0.470				0.639	0.535
SNRPB	0	-0.690	0.900	0.279	-0.218	0.342	0.246	0.550
SNRPN	0	-1.150	1.460	0.279	-0.218	0.342	0.246	0.550
SNRPN	0	1.390	-0.910	0.279	-0.218	0.342	0.246	0.550
LSM4	0	0.040	-0.030				-0.414	-0.767
TGS1	0	0.840	-0.360
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
SLU7	0	-1.400	2.470	-1.690			-1.547	-0.162
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
ARFGEF1	Phosphorylation	T48	-0.052	-0.113	_ACEVALEEIKAET(ph)EKQSPPHGEAK_
ARFGEF1	Phosphorylation	S52	-0.014	-0.100	_AETEKQS(ph)PPHGEAK_
GEMIN4	Phosphorylation	S205		1.824	_LRS(ph)DPDACPTMPLLAMLLR_
LSM4	Ubiquitylation	K52	-1.562		_DGDK(gl)FWR_
LSM4	Ubiquitylation	K67	-0.211	0.950	_GSTIK(gl)YLR_
SF3A2	Ubiquitylation	K91	-1.755		_EAK(gl)EAPAQPAPEK_
SF3A2	Ubiquitylation	K103	0.607		_VK(gl)VEVKK_
SF3A2	Ubiquitylation	K107	0.324		_VKVEVK(gl)K_
SF3B3	Ubiquitylation	K101		1.551	_NM(ox)FEK(gl)IHQETFGK_
SF3B3	Ubiquitylation	K109	0.083	-0.137	_IHQETFGK(gl)SGCRR_
SF3B3	Ubiquitylation	K546		0.526	_TIVK(gl)CAVNQR_
SF3B3	Ubiquitylation	K965		0.907	_VLIGVGK(gl)LLR_
SF3B3	Ubiquitylation	K974	0.479		_VYDLGK(gl)KK_
SF3B3	Ubiquitylation	K975	0.552		_VYDLGKK(gl)_
SF3B3	Ubiquitylation	K1074	-1.824		_LPPNTNDEVDEDPTGNK(gl)ALWDR_
SF3B3	Ubiquitylation	K1206		-1.861	_NVSEELDRTPPEVSK(gl)K_
SF3B3	Ubiquitylation	K1207	-1.934	-1.861	_NVSEELDRTPPEVSKK(gl)_
SLU7	Phosphorylation	S215	0.358		_LVEQANS(ph)PK_
SNRPA1	Ubiquitylation	K67		-1.041	_LK(gl)TLLVNNNR_
SNRPA1	Ubiquitylation	K149	-0.174	-1.201	_VLDFQK(gl)VK_
SNRPA1	Ubiquitylation	K160	0.416		_QEAEK(gl)MFK_
SNRPA1	Ubiquitylation	K172	0.514	0.038	_GAQLAK(gl)DIAR_
SNRPA1	Ubiquitylation	K179	-0.103		_SK(gl)TFNPGAGLPTDKK_
SNRPA1	Phosphorylation	T180		-0.576	_SKT(ph)FNPGAGLPTDKK_
SNRPA1	Ubiquitylation	K191	-0.454		_TFNPGAGLPTDK(gl)K_
SNRPA1	Ubiquitylation	K192	-0.058		_TFNPGAGLPTDKK(gl)_
SNRPA1	Phosphorylation	S197		-0.078	_GGPS(ph)PGDVEAIK_
SNRPA1	Ubiquitylation	K221	0.206	0.311	_LK(gl)GLLQSGQIPGR_
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_
SNRPN	Ubiquitylation	K8	0.805		_SSK(gl)MLQHIDYR_
SNRPN	Ubiquitylation	K32		0.987	_IFIGTFK(gl)_
SNRPN	Ubiquitylation	K88	-0.870		_GENLVSMTVEGPPPK(gl)DTGIAR_
TGS1	Phosphorylation	S89		0.022	_GIGLDESELDS(ph)EAELMR_