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)
POP1	2	-0.200	0.040				-1.510	-0.377
POP4	0	0.080	-0.120
RPP40	0	-0.150	0.100					0.015
RPP30	0	1.460	-0.730	-0.240			-1.224	-0.567
RPP38	0	-1.220	1.780
POP7	0	1.110	-0.440				-0.957
RPP21	0	-0.100	0.360

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
POP1	Phosphorylation	S367	2.178	1.977	_SAVCIADPLPTPS(ph)QEK_
POP1	Phosphorylation	S730	0.136	-0.418	_VQAYEEPSVASS(ph)PNGK_
POP4	Ubiquitylation	K90		-0.471	_LFDIK(gl)PEQQR_
POP4	Ubiquitylation	K144		-0.296	_ADLHGAIISVTK(gl)SK_
POP4	Ubiquitylation	K215	-0.295	-0.894	_AK(gl)GTIDL_
POP7	Ubiquitylation	K46	0.328	-0.077	_TDFK(gl)AQLAR_
POP7	Ubiquitylation	K54	-0.264	-0.481	_CQK(gl)LLDGGAR_
RPP21	Ubiquitylation	K6		-1.158	_(ac)AGPVK(gl)DR_
RPP30	Ubiquitylation	K16	0.342	0.055	_AGSDLK(gl)ALR_
RPP30	Phosphorylation	S251	0.239	0.016	_KPRPS(ph)EGDEDCLPASK_
RPP38	Phosphorylation	S12	0.381	0.344	_(ac)AAAPQAPGRGS(ph)LRK_
RPP38	Phosphorylation	S235	-0.307		_ELLDTS(ph)FEDLSKPK_