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)
XRCC4	1	-0.240	0.070
PNKP	0	1.170	-0.260	-1.642			0.133	0.861

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
PNKP	Phosphorylation	T118	-2.016	-2.084	_TPESQPDT(ph)PPGTPLVSQDEK_
PNKP	Ubiquitylation	K226	0.178		_GK(gl)LPAEEFK_
XRCC4	Ubiquitylation	K178	0.552		_EALETDLYK(gl)R_
XRCC4	Ubiquitylation	K197	0.264		_SLHNK(gl)LLNAAQER_
XRCC4	Phosphorylation	S259	-0.552	1.634	_DDSIIS(ph)SLDVTDIAPSR_
XRCC4	Phosphorylation	S260	-0.545	1.299	_DDSIISS(ph)LDVTDIAPSR_
XRCC4	Phosphorylation	S320	0.439	1.683	_KEHISAENM(ox)S(ph)LETLR_