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)
REXO1	1	0.720	-0.790	-1.646			-0.969	0.791
AEN	1	2.220	-1.070
MRE11A	0	1.600	-0.730		0.145	0.420
MRE11A	0	1.600	-0.730	0.023			0.453	0.150
DDX1	0	-0.100	0.160	-0.034	-0.036	0.487	-0.133	0.258
XRN2	0	1.050	-0.930	-2.506	-1.121	-0.161	-0.293	-0.304
ERI1	0	-0.350	0.290
XRN1	0	1.680	-1.120
XRN1	0	1.680	-1.120	-0.304			-0.943	0.164
ERI3	0	-0.330	0.790
EXOSC2	0	-0.410	0.130	-0.167	0.162	0.416	-0.803	0.148
PAN2	0	-0.210	0.670
POLG	0	1.190	-0.550		-1.116		-0.380	0.081
WRN	0	-0.320	-0.170					0.180
FEN1	0	-1.360	2.210	0.895	1.036	-1.389	-0.361	-0.414
APEX2	0	-0.680	0.420
EXO1	0	0.890	-0.810

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
AEN	Ubiquitylation	K109		-1.520	_ASGPLPSK(gl)CVAIDCEMVGTGPR_
APEX2	Ubiquitylation	K371	0.281	-0.420	_VQTCQNK(gl)AQVR_
APEX2	Ubiquitylation	K482	-0.126		_TVK(gl)KPGPNLGR_
DDX1	Ubiquitylation	K82		-0.137	_TTIK(gl)TGASVLNK_
DDX1	Ubiquitylation	K117	1.370		_EVK(gl)EWHGCR_
DDX1	Ubiquitylation	K173	1.499		_FGFGFGGTGKK(gl)_
DDX1	Ubiquitylation	K260	-0.585		_DGFVALSK(gl)APDGYIVK_
DDX1	Ubiquitylation	K281	0.294		_SQHSGNAQVTQTK(gl)FLPNAPK_
DDX1	Ubiquitylation	K358	1.293		_LDDLVSTGK(gl)LNLSQVR_
DDX1	Phosphorylation	S481	0.023	0.050	_DNTRPGANS(ph)PEMWSEAIK_
ERI1	Ubiquitylation	K92		0.194	_LSEFK(gl)LETR_
ERI3	Ubiquitylation	K276		-0.200	_QWINLK(gl)K_
ERI3	Ubiquitylation	K331		-0.515	_GFIFK(gl)QTSKPF_
EXO1	Phosphorylation	S598		0.826	_TIS(ph)PPTLGTLR_
EXOSC2	Ubiquitylation	K70		-0.209	_LICVK(gl)ALK_
EXOSC2	Ubiquitylation	K97		0.060	_WK(gl)VETNSR_
EXOSC2	Phosphorylation	S175	-0.346	-0.185	_LGQGVLVQVS(ph)PSLVK_
EXOSC2	Ubiquitylation	K180		-0.618	_LGQGVLVQVSPSLVK(gl)R_
FEN1	Ubiquitylation	K354	1.109		_VTGSLSSAK(gl)R_
MRE11A	Ubiquitylation	K387	0.442		_FSQK(gl)FVDR_
PAN2	Phosphorylation	S671	0.047	0.183	_CGS(ph)ETVRAS(ph)STLLFT(ph)LS(ph)YPDGS(ph)K_
PAN2	Phosphorylation	S677	0.047	0.183	_CGS(ph)ETVRAS(ph)STLLFT(ph)LS(ph)YPDGS(ph)K_
PAN2	Phosphorylation	T683	0.047	0.183	_CGS(ph)ETVRAS(ph)STLLFT(ph)LS(ph)YPDGS(ph)K_
PAN2	Phosphorylation	S685	0.047	0.183	_CGS(ph)ETVRAS(ph)STLLFT(ph)LS(ph)YPDGS(ph)K_
PAN2	Phosphorylation	S690	0.047	0.183	_CGS(ph)ETVRAS(ph)STLLFT(ph)LS(ph)YPDGS(ph)K_
PAN2	Ubiquitylation	K706		0.506	_NYDFAQVLK(gl)R_
PAN2	Phosphorylation	S791	0.606	0.694	_ELGS(ph)PEGVLVCPSIEELK_
PAN2	Ubiquitylation	K997		-2.499	_SDGTK(gl)STIKPSQMSVAR_
POLG	Ubiquitylation	K371		-2.064	_LYVGGPPLEK(gl)EPR_
POLG	Ubiquitylation	K990		-1.545	_AQQMYAATK(gl)GLR_
REXO1	Phosphorylation	S499	1.567	0.361	_S(ph)LDEGASQDAPK_
WRN	Ubiquitylation	K134		0.717	_MLLENKAVK(gl)_
WRN	Phosphorylation	S1133	0.363	0.023	_SIMVQS(ph)PEK_
XRN1	Phosphorylation	S814		-0.523	_ENEVQSSHHGEPPSEEHLS(ph)PQSFAM(ox)K_
XRN2	Ubiquitylation	K132		0.183	_EGMEAAVEK(gl)QR_
XRN2	Phosphorylation	T439	-0.332	-1.539	_RDQPAFTPSGILT(ph)PHALGSR_
XRN2	Phosphorylation	S448	0.425	0.037	_NS(ph)PGSQVASNPR_
XRN2	Phosphorylation	S473	0.104	-0.751	_MQNNSSPS(ph)ISPNTSFTSDGSPSPLGGIK_
XRN2	Phosphorylation	S475		0.436	_MQNNSSPSIS(ph)PNTSFTSDGSPSPLGGIK_
XRN2	Ubiquitylation	K493	-1.223		_MQNNSSPSISPNTSFTSDGSPSPLGGIK(gl)R_
XRN2	Phosphorylation	S499	-1.444		_AEDS(ph)DSEPEPEDNVR_
XRN2	Ubiquitylation	K533	0.431		_NKFDVDAADEK(gl)FR_