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)
HTT	1	-0.200	-0.360	0.632			0.847	0.550
CPS1	0	-0.030	-0.030
ARG1	0	-0.170	0.640					-4.678
ASS1	0	-0.880	0.020

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
ASS1	Ubiquitylation	K53	-1.647	-0.503	_ALK(gl)LGAK_
ASS1	Ubiquitylation	K121	0.603		_YVSHGATGK(gl)GNDQVR_
ASS1	Ubiquitylation	K408		-0.009	_LQSK(gl)VTAK_
CPS1	Phosphorylation	S1278	-0.511	-1.077	_ASRSFPFVS(ph)K_
HTT	Ubiquitylation	K260		-0.128	_AFIANLK(gl)_
HTT	Phosphorylation	S419	0.595	0.531	_SGS(ph)IVELIAGGGSSCS(ph)PVLSR_
HTT	Phosphorylation	S430	0.402	0.494	_SGSIVELIAGGGSS(ph)CSPVLSR_
HTT	Phosphorylation	S432	0.317	0.640	_SGSIVELIAGGGSSCS(ph)PVLSR_
HTT	Phosphorylation	S1195	-0.222	0.264	_EKEPGEQAS(ph)VPLSPK_
HTT	Phosphorylation	S1199	-0.456	-0.970	_GKEKEPGEQASVPLS(ph)PK_
HTT	Ubiquitylation	K1402	0.169	-0.538	_VSTQLK(gl)TNLTSVTK_
HTT	Phosphorylation	S1874	1.994	1.028	_LLSPQMS(ph)GEEEDSDLAAK_