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)
SRSF5	0	0.770	-0.700		0.220	1.031	0.250	0.325
SRSF5	0	0.770	-0.700
SRSF4	0	-0.950	1.920	0.189	-1.074	0.320	0.240	0.525
SRSF6	0	0.510	-0.580	0.873	0.221	0.612	0.582	0.508

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
SRSF4	Phosphorylation	S431	0.473	0.519	_EGRGES(ph)ENAGTNQETR_
SRSF4	Phosphorylation	S456	0.062	0.006	_SKPNLPS(ph)ESR_
SRSF4	Phosphorylation	S458		0.989	_SKPNLPS(ph)ESR_
SRSF5	Phosphorylation	S287		-0.002	_SVSRS(ph)PVPEK_
SRSF6	Ubiquitylation	K101	0.427		_DK(gl)YGPPVR_
SRSF6	Ubiquitylation	K143	0.804		_QAGEVTYADAHK(gl)ER_
SRSF6	Ubiquitylation	K165	0.740		_ALDK(gl)LDGTEINGR_
SRSF6	Phosphorylation	S303	-0.953	-0.594	_SNS(ph)PLPVPPSK_