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)
MSH2	1	-0.130	0.010	0.224	0.457	0.838	0.840	0.366
MLH1	0	-0.460	0.110	-0.360	1.227	1.219
PMS2	0	0.410	-0.450

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
MSH2	Ubiquitylation	K212		-0.233	_ECVLPGGETAGDMGK(gl)LR_
MSH2	Ubiquitylation	K249	0.461		_K(gl)GEQMNSAVLPEMENQVAVSSLSAVIK_
MSH2	Ubiquitylation	K347		2.867	_LVNQWIK(gl)QPLMDK_
MSH2	Ubiquitylation	K531	1.040		_VTCKEEK(gl)VLR_
MSH2	Ubiquitylation	K555		0.164	_FTNSK(gl)LTSLNEEYTK_
MSH2	Ubiquitylation	K635		-0.376	_IILK(gl)ASR_
PMS2	Ubiquitylation	K146	-0.403		_IIQK(gl)TPYPRPR_