RNAi screen result	RNAPII IP (MG132)	CSB IP	CSB IP (MG132)	Chrom.	Chrom. (MG132)	Ubi /Phospo	Ubi /Phospho (MG132)
W

Gene name	MGoogle Score	RNAi high	RNAi low	RNAPII-IP (MG132)	CSB-IP	CSB-IP (MG132)	Chrom.	Chrom. (MG132)
SNRPB2	1	2.000	-1.110	0.093	-0.673	0.119	-0.315
SNRPA1	1	-1.610	3.360	-0.071	-0.629	0.211	-0.681	-0.320
PHF5A	0	-0.460	1.210	0.236	-0.190	0.159	-0.003	-0.019
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

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
PHF5A	Ubiquitylation	K3	-0.574		_(ac)AK(gl)HHPDLIFCR_
PHF5A	Ubiquitylation	K95	0.907		_IVNLGSSK(gl)TDLFYER_
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_
SNRPB2	Ubiquitylation	K85	1.475	0.758	_IQYAK(gl)TDSDIISK_
SNRPB2	Ubiquitylation	K93	1.448	1.158	_TDSDIISK(gl)MR_
SNRPN	Ubiquitylation	K8	0.805		_SSK(gl)MLQHIDYR_
SNRPN	Ubiquitylation	K32		0.987	_IFIGTFK(gl)_
SNRPN	Ubiquitylation	K88	-0.870		_GENLVSMTVEGPPPK(gl)DTGIAR_