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)
IQGAP1	0	-0.420	0.300		0.641	-0.402
IQGAP1	0	-0.420	0.300	1.363			0.406	0.007
IQGAP2	0	0.570	-0.600	-0.934	-0.237	-0.246	0.574	0.202
IQGAP3	0	1.720	-1.070				0.165	0.274

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
IQGAP1	Ubiquitylation	K953	0.650		_NKEQLSDMMMINK(gl)QK_
IQGAP1	Ubiquitylation	K959	0.713	0.074	_GGLK(gl)ALSK_
IQGAP1	Ubiquitylation	K1389	0.638	1.119	_TILLNTK(gl)R_
IQGAP1	Ubiquitylation	K1442	0.488		_SK(gl)SVKEDSNLTLQEK_
IQGAP1	Phosphorylation	S1443	0.392	0.273	_SKS(ph)VKEDSNLTLQEK_
IQGAP1	Ubiquitylation	K1445	0.863		_SVK(gl)EDSNLTLQEK_
IQGAP2	Phosphorylation	S16	0.126	0.190	_YGS(ph)IVDDER_
IQGAP2	Ubiquitylation	K837		-0.165	_IGLLVK(gl)NR_
IQGAP3	Ubiquitylation	K661		0.344	_ALESAMAKK(gl)_
IQGAP3	Phosphorylation	T1426		-0.517	_SLT(ph)AHSLLPLAEK_