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)
CHPF2	1	-2.100	3.650
VCAN	1	0.760	-0.630
VCAN	1	0.760	-0.630
CHST12	1	2.390	-0.800
SDC2	1	-1.780	3.110
HEXB	0	-0.370	0.060				0.103
DSE	0	0.820	-0.790
CHST3	0	0.170	0.150
SDC4	0	1.110	-0.650
B3GAT3	0	1.090	-0.530				1.147
GXYLT1	0	0.190	-0.450				1.012	-0.711
B3GALT6	0	-0.010	-0.080				0.364	-0.404
AGRN	0	-0.130	0.060				-0.939

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
CHPF2	Ubiquitylation	K727		-0.748	_AVEPGLVQK(gl)FSLR_
CHST12	Ubiquitylation	K142		-1.045	_GFCANSSLAFPTK(gl)ER_
CHST3	Ubiquitylation	K381		-1.704	_GPLQK(gl)AR_
DSE	Ubiquitylation	K379		-1.657	_VVEGPGTPSK(gl)GQR_
DSE	Ubiquitylation	K571		-1.407	_GEGVGAYNPQLNLK(gl)NVQR_
SDC2	Ubiquitylation	K193	-0.696	-0.929	_KPSSAAYQK(gl)APTK_
SDC2	Ubiquitylation	K197	-0.160	0.647	_APTK(gl)EFYA_
SDC4	Ubiquitylation	K190	-0.979		_K(gl)APTNEFYA_
VCAN	Ubiquitylation	K98		2.161	_IGQDYK(gl)GR_
VCAN	Ubiquitylation	K347		3.178	_FDAYCFK(gl)R_
VCAN	Phosphorylation	S2130	0.600	0.798	_QEIESETTS(ph)EEQIQEEK_