RNAi screen result	RNAPII IP (MG132)	CSB IP	CSB IP (MG132)	Chrom.	Chrom. (MG132)	Ubi /Phospo	Ubi /Phospho (MG132)
W

Gene name	MGoogle Score	RNAi high	RNAi low	RNAPII-IP (MG132)	CSB-IP	CSB-IP (MG132)	Chrom.	Chrom. (MG132)
GNB1	0	-0.700	0.650	0.713			0.504	0.538
GNB3	0	-1.020	1.280	0.713			0.504	0.538
GNB4	0	0.410	-0.240	0.137			0.627	1.296
GNB4	0	0.410	-0.240
GNB2	0	0.120	-0.090	0.137			0.627	1.296

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
GNB1	Ubiquitylation	K23	-0.282		_K(gl)ACADATLSQITNNIDPVGR_
GNB1	Ubiquitylation	K209	-0.296	-0.249	_LFVSGACDASAK(gl)LWDVR_
GNB2	Ubiquitylation	K23	-0.095	0.033	_K(gl)ACGDSTLTQITAGLDPVGR_
GNB2	Ubiquitylation	K209	0.251	0.419	_TFVSGACDASIK(gl)LWDVR_
GNB3	Ubiquitylation	K23	-0.282		_K(gl)ACADATLSQITNNIDPVGR_
GNB3	Ubiquitylation	K209	-0.296	-0.249	_LFVSGACDASAK(gl)LWDVR_
GNB4	Ubiquitylation	K23	-0.095	0.033	_K(gl)ACGDSTLTQITAGLDPVGR_
GNB4	Ubiquitylation	K23	-0.030		_K(gl)ACNDATLVQITSNMDSVGR_
GNB4	Ubiquitylation	K209	0.251	0.419	_TFVSGACDASIK(gl)LWDVR_
GNB4	Ubiquitylation	K209		0.019	_TFVSGACDASSK(gl)LWDIR_