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)
XRN2	0	1.050	-0.930	-2.506	-1.121	-0.161	-0.293	-0.304
XRN1	0	1.680	-1.120
XRN1	0	1.680	-1.120	-0.304			-0.943	0.164
DCLRE1B	0	0.400	-0.410
CPSF3	0	0.760	-0.720	-0.001	-0.206	0.455	-0.433	0.066
FEN1	0	-1.360	2.210	0.895	1.036	-1.389	-0.361	-0.414
EXO1	0	0.890	-0.810

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
CPSF3	Ubiquitylation	K348	0.384		_ELFESWCTDK(gl)R_
CPSF3	Ubiquitylation	K428	0.656	0.535	_LK(gl)AALIR_
CPSF3	Ubiquitylation	K465	0.422		_NTEAVTLNFRGEKLAK(gl)_
CPSF3	Ubiquitylation	K474	-0.536		_VMGFLADKK(gl)PEQGQR_
CPSF3	Ubiquitylation	K487	0.072	0.155	_VSGILVK(gl)R_
CPSF3	Ubiquitylation	K604	-0.159		_K(gl)LEMHVYSK_
DCLRE1B	Ubiquitylation	K420		-1.848	_AVPFCESQK(gl)R_
EXO1	Phosphorylation	S598		0.826	_TIS(ph)PPTLGTLR_
FEN1	Ubiquitylation	K354	1.109		_VTGSLSSAK(gl)R_
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_