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)
RASAL2	0	1.030	0.010
PPP1R14A	0	1.750	-1.100
PPP1R14B	0	0.530	-0.560
PPP1R14C	0	0.260	-0.540

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
PPP1R14A	Phosphorylation	S26	-0.937	-0.522	_GPGGS(ph)PGGLQK_
PPP1R14B	Phosphorylation	S21		-0.878	_(ac)ADSGTAGGAALAAPAPGPGS(ph)GGPGPR_
PPP1R14B	Phosphorylation	S32	-0.088	-0.788	_VYFQS(ph)PPGAAGEGPGGADDEGPVRR_
PPP1R14C	Phosphorylation	S25		0.262	_VFFQS(ph)PR_
PPP1R14C	Phosphorylation	S158	0.145	0.371	_KLS(ph)PPQKK_
RASAL2	Phosphorylation	T132		-1.010	_T(ph)VSVPSEGQFPEYPPEGATK_
RASAL2	Phosphorylation	S134	-0.988	-0.690	_TVS(ph)VPSEGQFPEYPPEGATK_
RASAL2	Phosphorylation	S159	-0.749	-0.405	_LEVPAERS(ph)PR_
RASAL2	Phosphorylation	S164	1.064	-0.013	_S(ph)ISGTSTSEKPNSMDTANTSPFK_
RASAL2	Phosphorylation	S237	0.731	1.380	_S(ph)HESLLSPCSTVECLDLGR_
RASAL2	Phosphorylation	T761	-0.307		_SLTNPT(ph)PIQQQLR_