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)
MAT2B	1	3.010	-1.150
CBS	1	-1.310	2.540	0.002				-0.255
TRMT11	0	-0.350	0.360
SEPHS1	0
AHCY	0	0.070	-0.370	0.448	0.752	-1.126	0.195	-0.279
CTH	0	1.680	-1.070
GGT7	0	1.140	-0.250				0.619	0.867
PAPSS1	0	0.290	-0.190
AHCYL2	0	0.290	-0.240	-0.613	0.147	-1.090
AHCYL2	0	0.290	-0.240
METTL2B	0	0.220	-0.610
METTL2B	0	0.630	0.130
MARS	0	0.810	-1.040	-0.620	0.302	-0.071	0.469	0.367
AHCYL1	0	-0.080	0.400	-0.613	0.147	-1.090
LCMT2	0	-1.220	1.190
MAT2A	0	0.240	-0.710		-2.433	1.061	0.253	-0.678
SEPHS2	0	0.470	-0.800
PAPSS2	0	0.720	-0.260
METTL6	0	0.000	0.330
MARS2	0	0.040	-0.050	-0.476			-0.259	0.020

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
AHCY	Ubiquitylation	K43		0.164	_YSASK(gl)PLK_
AHCY	Ubiquitylation	K46	0.699	-0.332	_YSASKPLK(gl)GAR_
AHCY	Ubiquitylation	K186	0.195	-0.162	_VPAINVNDSVTK(gl)SK_
AHCY	Ubiquitylation	K188	0.784	0.743	_SK(gl)FDNLYGCR_
AHCY	Ubiquitylation	K204	0.055	-0.020	_ESLIDGIK(gl)R_
AHCY	Ubiquitylation	K226	0.829	0.442	_VAVVAGYGDVGK(gl)GCAQALR_
AHCY	Ubiquitylation	K405	0.352	0.515	_LNVK(gl)LTK_
AHCY	Ubiquitylation	K408	0.040	0.435	_LTK(gl)LTEK_
AHCYL1	Phosphorylation	S2	-1.071	0.510	_(ac)S(ph)M(ox)PDAM(ox)PLPGVGEELK_
AHCYL1	Ubiquitylation	K111	0.290	-1.029	_NIK(gl)QAEFGRR_
AHCYL1	Ubiquitylation	K267	0.573		_LYQLSK(gl)AGK_
AHCYL2	Phosphorylation	S2	-1.071	0.510	_(ac)S(ph)M(ox)PDAM(ox)PLPGVGEELK_
AHCYL2	Phosphorylation	S107	0.835	0.621	_DGGEALVS(ph)PDGTVTEAPR_
AHCYL2	Ubiquitylation	K111	0.290	-1.029	_NIK(gl)QAEFGRR_
AHCYL2	Ubiquitylation	K267	0.573		_LYQLSK(gl)AGK_
CBS	Phosphorylation	S32		0.298	_GSLEKGS(ph)PEDKEAK_
CBS	Ubiquitylation	K177		-2.211	_MSSEK(gl)VDVLR_
CBS	Ubiquitylation	K481	-0.474	-0.347	_VQPSDQVGK(gl)VIYK_
CBS	Ubiquitylation	K485		-0.140	_VIYK(gl)QFK_
CTH	Ubiquitylation	K73		-0.035	_NCLEK(gl)AVAALDGAK_
GGT7	Phosphorylation	S72	1.369	-0.055	_LPS(ph)SSSEMGSQDGSPLR_
GGT7	Phosphorylation	S73	1.007	0.332	_LPSS(ph)SSEMGSQDGSPLR_
LCMT2	Ubiquitylation	K24	-0.365	-0.995	_RAGAVQNTNDSSALSK(gl)R_
LCMT2	Ubiquitylation	K356	-2.533	-2.594	_VNPASPSGVFPASVVSSEGQVPNLK(gl)R_
MARS	Ubiquitylation	K109		1.248	_K(gl)GEDVLGSVR_
MARS	Ubiquitylation	K375	1.017		_ITQDIFQQLLK(gl)R_
MARS	Phosphorylation	T824	-0.049	0.199	_T(ph)SPKPAVVETVTTAKPQQIQALMDEVTK_
MARS	Phosphorylation	S825	-0.049	0.219	_TS(ph)PKPAVVETVTTAK_
MAT2A	Ubiquitylation	K81	0.110	0.137	_AAVDYQK(gl)VVR_
MAT2A	Ubiquitylation	K163		-0.321	_LNAK(gl)LAELRR_
MAT2A	Ubiquitylation	K228	-0.689	-0.376	_VIK(gl)AVVPAK_
MAT2A	Ubiquitylation	K234	-0.386		_AVVPAK(gl)YLDEDTIYHLQPSGR_
MAT2A	Ubiquitylation	K289		-0.395	_DYTK(gl)VDR_
MAT2A	Ubiquitylation	K303		-0.265	_WVAK(gl)SLVK_
MAT2A	Ubiquitylation	K307	-0.195	0.870	_SLVK(gl)GGLCR_
MAT2A	Ubiquitylation	K350	0.414	0.274	_ELLEIVK(gl)K_
MAT2A	Ubiquitylation	K351	-0.735		_K(gl)NFDLRPGVIVR_
MAT2A	Ubiquitylation	K367	-0.930	-1.508	_DLDLK(gl)KPIYQR_
MAT2A	Ubiquitylation	K368		-0.719	_DLDLK(gl)KPIYQR_
MAT2B	Ubiquitylation	K209	-0.298		_VQFSNK(gl)SANMDHWQQR_
METTL2B	Phosphorylation	S4	0.542	0.916	_(ac)AGS(ph)YPEGAPAILADK_
METTL2B	Ubiquitylation	K151		-2.244	_SLEHK(gl)TQTPPVEENVTQK_
METTL2B	Phosphorylation	T154	-0.081	0.346	_TQT(ph)PPVEENVTQK_
METTL6	Ubiquitylation	K58		-0.364	_NSTNFFK(gl)DR_
METTL6	Ubiquitylation	K120		-0.576	_AIEYVK(gl)QNPLYDTER_
PAPSS1	Ubiquitylation	K404		-0.265	_LTPTELK(gl)QK_
PAPSS1	Ubiquitylation	K406	0.335		_LTPTELKQK(gl)_
PAPSS2	Ubiquitylation	K603	-0.009		_EGENPPDGFMAPK(gl)AWK_
SEPHS1	Ubiquitylation	K16	0.261	-0.001	_ESFNPESYELDK(gl)SFR_
SEPHS2	Ubiquitylation	K355		0.595	_MAAVSK(gl)ASGR_
SEPHS2	Ubiquitylation	K391		-2.112	_FCSEIK(gl)SSK_
TRMT11	Ubiquitylation	K189		-1.145	_ELIESYSVK(gl)K_
TRMT11	Ubiquitylation	K190		-1.145	_ELIESYSVK(gl)K_