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)
SLC7A5	1	-2.130	3.080	0.562			0.083	0.097
SLC38A2	1	-1.700	2.660				-0.122	0.385
SLC38A2	1	-1.700	2.660
SLC7A7	1	2.330	-0.750	0.562			0.083	0.097
SLC7A3	1	0.270	-0.040
SLC7A2	0	1.330	-0.900				1.122	0.799
SLC7A2	0	1.330	-0.900
SLC7A6	0	-0.900	1.090
SLC1A5	0	0.160	0.300
SLC1A5	0	0.160	0.300	-0.249			-0.023	0.198
SLC1A5	0	0.160	0.300		1.158	-1.194	-2.697	-1.721
SLC7A1	0	0.220	-0.450				1.122	0.799
SLC7A11	0	-0.760	1.480

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
SLC1A5	Ubiquitylation	K320		-2.034	_SELPLDPLPLPTEEGNPLLK(gl)HYR_
SLC1A5	Ubiquitylation	K372	-0.211	0.464	_CVEENNGVAK(gl)HISR_
SLC1A5	Phosphorylation	S500	0.738	0.477	_S(ph)TEPELIQVK_
SLC1A5	Phosphorylation	T501	0.489	0.338	_S(ph)TEPELIQVK_
SLC1A5	Phosphorylation	S510	-1.417	-0.670	_STEPELIQVKS(ph)ELPLDPLPLPTEEGNPLLK_
SLC1A5	Ubiquitylation	K522	-0.915	-2.746	_SELPLDPLPVPTEEGNPLLK(gl)HYR_
SLC1A5	Ubiquitylation	K537	0.853	-0.522	_HYRGPAGDATVASEK(gl)ESVM_
SLC1A5	Phosphorylation	S542		0.034	_GPAGDATVAS(ph)EKESVM_
SLC38A2	Ubiquitylation	K2	-0.630	0.376	_(ac)MK(gl)K(gl)AEMGR_
SLC38A2	Ubiquitylation	K3	-0.630	0.376	_(ac)MK(gl)K(gl)AEMGR_
SLC38A2	Ubiquitylation	K33	-1.369	-1.069	_FSISPDEDSSSYSSNSDFNYSYPTK(gl)QAALK_
SLC38A2	Ubiquitylation	K38	-0.334		_QAALK(gl)SHYADVDPENQNFLLESNLGK_
SLC38A2	Ubiquitylation	K59	-0.632	-0.460	_SHYADVDPENQNFLLESNLGK(gl)K_
SLC38A2	Ubiquitylation	K60	-0.643	-0.681	_SHYADVDPENQNFLLESNLGKK(gl)_
SLC7A1	Ubiquitylation	K629	0.653	-0.138	_TPDGNLDQCK(gl)_
SLC7A11	Ubiquitylation	K4	0.814	0.337	_K(gl)PVVSTISK_
SLC7A11	Ubiquitylation	K12	0.383	-0.300	_KPVVSTISK(gl)GGYLQGNVNGR_
SLC7A11	Phosphorylation	S26	-1.054	-0.909	_LPS(ph)LGNKEPPGQEK_
SLC7A11	Ubiquitylation	K30	0.117	-0.427	_LPSLGNK(gl)EPPGQEK_
SLC7A11	Ubiquitylation	K222		0.668	_GQTQNFK(gl)DAFSGR_
SLC7A11	Ubiquitylation	K483		0.668	_IMSEK(gl)ITR_
SLC7A2	Ubiquitylation	K29	1.076	0.938	_IVTLDSLEDTK(gl)LCR_
SLC7A2	Ubiquitylation	K383		0.272	_CLAQINSK(gl)TK_
SLC7A2	Ubiquitylation	K449	0.152	-0.687	_CSPEK(gl)DGLGSSPR_
SLC7A2	Ubiquitylation	K461	1.011	0.868	_VTSK(gl)SESQVTMLQR_
SLC7A2	Ubiquitylation	K629	0.653	-0.138	_TPDGNLDQCK(gl)_
SLC7A2	Ubiquitylation	K654	0.472	-0.114	_NLSSPFIFHEK(gl)TSEF_
SLC7A3	Ubiquitylation	K605	0.672	2.214	_AK(gl)TVDLDPGTLYVHSV_
SLC7A5	Ubiquitylation	K19	0.118	0.019	_ALAAPAAEEK(gl)EEAR_
SLC7A5	Ubiquitylation	K25	0.755	0.703	_EK(gl)MLAAK_
SLC7A5	Ubiquitylation	K30	0.580	0.198	_MLAAK(gl)SADGSAPAGEGEGVTLQR_
SLC7A6	Ubiquitylation	K43		0.739	_SSETMQLKK(gl)_
SLC7A7	Ubiquitylation	K19	0.118	0.019	_ALAAPAAEEK(gl)EEAR_
SLC7A7	Ubiquitylation	K25	0.755	0.703	_EK(gl)MLAAK_
SLC7A7	Ubiquitylation	K30	0.580	0.198	_MLAAK(gl)SADGSAPAGEGEGVTLQR_