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)
MSX2	1	-0.260	0.240
HIF1A	0	-0.480	0.400
ARNT	0	1.120	-0.500
MTA2	0	-1.360	1.910	0.507	0.478	0.899	0.023	0.072
LDB2	0			-1.168
PER1	0	1.020	-0.450
LDB1	0	0.670	-0.650	-1.168

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
ARNT	Phosphorylation	S81		1.133	_FARS(ph)DDEQSSADKER_
ARNT	Ubiquitylation	K421		-2.502	_DSFQQVVK(gl)LK_
HIF1A	Ubiquitylation	K10		-1.686	_(ac)MEGAGGANDK(gl)K_
HIF1A	Ubiquitylation	K11		-1.686	_(ac)MEGAGGANDK(gl)K_
HIF1A	Ubiquitylation	K173		-0.662	_MK(gl)CTLTSR_
HIF1A	Ubiquitylation	K186		-0.590	_TMNIK(gl)SATWK_
HIF1A	Ubiquitylation	K252		-0.784	_HSLDM(ox)K(gl)FSYCDER_
HIF1A	Ubiquitylation	K371		-0.508	_PVESSDMK(gl)MTQLFTK_
HIF1A	Ubiquitylation	K378		-0.077	_MTQLFTK(gl)VESEDTSSLFDK_
HIF1A	Ubiquitylation	K390		-0.348	_VESEDTSSLFDK(gl)LKK_
HIF1A	Ubiquitylation	K392		-0.546	_VESEDTSSLFDKLK(gl)_
HIF1A	Ubiquitylation	K393		-0.451	_VESEDTSSLFDKLKK(gl)_
HIF1A	Ubiquitylation	K710		-1.696	_TTVPEEELNPK(gl)ILALQNAQR_
LDB1	Ubiquitylation	K76		-0.052	_IFELNK(gl)R_
LDB1	Ubiquitylation	K271		-0.154	_DCLK(gl)TCLFQK_
LDB1	Ubiquitylation	K277	-1.611	-0.630	_TCLFQK(gl)WQR_
LDB1	Phosphorylation	S323	-0.402	-0.031	_KS(ph)PASTFALSSQVPDVMVVGEPTLMGGEFGDEDER_
LDB2	Ubiquitylation	K76		-0.052	_IFELNK(gl)R_
LDB2	Ubiquitylation	K271		-0.154	_DCLK(gl)TCLFQK_
LDB2	Ubiquitylation	K277	-1.611	-0.630	_TCLFQK(gl)WQR_
LDB2	Phosphorylation	S323	-0.402	-0.031	_KS(ph)PASTFALSSQVPDVMVVGEPTLMGGEFGDEDER_
MSX2	Phosphorylation	S3	-1.986	-1.774	_(ac)AS(ph)PSKGNDLFSPDEEGPAVVAGPGPGPGGAEGAAEER_
MSX2	Phosphorylation	S5	-1.986		_AS(ph)PS(ph)KGNDLFSPDEEGPAVVAGPGPGPGGAEGAAEER_
MSX2	Phosphorylation	S63		3.351	_EAS(ph)PLPAESASAGATLRPLLLSGHGAR_
MSX2	Phosphorylation	S91	-0.783	-0.727	_EAHS(ph)PGPLVKPFETASVK_
MSX2	Phosphorylation	S123		-0.062	_SENSEDGAAWMQEPGRYS(ph)PPPR_
MTA2	Ubiquitylation	K32	0.007		_RIEELNK(gl)TANGNVEAK_
MTA2	Phosphorylation	S54	0.469	0.399	_DISSS(ph)LNSLADSNAR_
MTA2	Ubiquitylation	K71	0.012		_EFEEESK(gl)QPGVSEQQR_
MTA2	Ubiquitylation	K152	0.194	0.043	_VGCK(gl)YQAEIPDRLVEGESDNR_
MTA2	Ubiquitylation	K173	-0.127		_LVEGESDNRNQQK(gl)MEMK_
MTA2	Ubiquitylation	K177	-0.885		_MEMK(gl)VWDPDNPLTDR_
MTA2	Ubiquitylation	K320	0.565		_TTDRYIQQK(gl)R_
MTA2	Ubiquitylation	K405	-0.377		_YGGLK(gl)TPTQLEGATR_
MTA2	Phosphorylation	S435		-0.289	_GHLSRPEAQSLS(ph)PYTTSANR_
MTA2	Ubiquitylation	K508	-0.512		_TPLK(gl)IHPLVR_
MTA2	Ubiquitylation	K531	-0.796		_DLVAQAPLK(gl)PK_
MTA2	Phosphorylation	T534		-0.765	_DLVAQAPLKPKT(ph)PR_
MTA2	Ubiquitylation	K559	0.516		_GLGGIMVK(gl)R_
MTA2	Ubiquitylation	K611	-1.680		_LNPADAPNPVVFVATK(gl)DTR_
PER1	Ubiquitylation	K295		-1.272	_DFTQEK(gl)SVFCR_