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)
MEF2A	0	0.820	-0.530
MEF2A	0	0.820	-0.530
MEF2C	0	-0.980	1.550
MEF2C	0	-0.980	1.550
SRF	0	0.670	-1.020
MEF2D	0	-0.080	-0.210
MEF2D	0	-0.080	-0.210
MEF2D	0	-0.080	-0.210
MEF2B	0	0.370	-0.250

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
MEF2A	Ubiquitylation	K23		-0.140	_QVTFTK(gl)R_
MEF2A	Phosphorylation	S235	0.664	-0.092	_AS(ph)PNLIGATGANSLGK_
MEF2A	Phosphorylation	T253		-1.271	_VMPT(ph)KSPPPPGGGNLGMNSR_
MEF2A	Phosphorylation	S255		-1.235	_VMPTKS(ph)PPPPGGGNLGMNSR_
MEF2A	Phosphorylation	S408	-0.173	-0.049	_SEPIS(ph)PPRDR_
MEF2A	Phosphorylation	S494	-0.858	-1.232	_GDFHSPIVLGRPPNTEDRES(ph)PSVK_
MEF2B	Ubiquitylation	K23		-0.140	_QVTFTK(gl)R_
MEF2C	Ubiquitylation	K23		-0.140	_QVTFTK(gl)R_
MEF2C	Phosphorylation	S240	0.008	0.302	_NS(ph)PGLLVSPGNLNK_
MEF2C	Phosphorylation	S406	0.272	0.338	_SEPVS(ph)PPRDR_
MEF2D	Ubiquitylation	K23		-0.140	_QVTFTK(gl)R_
MEF2D	Phosphorylation	S184	-1.118	-1.050	_VIPAKS(ph)PPPPTHSTQLGAPSR_
MEF2D	Phosphorylation	S185	0.259	-0.467	_LLS(ph)PQQPALQR_
MEF2D	Phosphorylation	S377	0.418	0.181	_SEPVS(ph)PSRER_
SRF	Phosphorylation	S224	-0.512	-0.458	_ALIQTCLNSPDS(ph)PPR_