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)
OSBP	2	-0.940	1.310				-0.825	-0.605
VAPB	2	1.440	-0.660				0.042	0.495
VAPB	2	1.440	-0.660			-2.551	0.014	0.056
VAPA	1	-2.350	3.970			-2.551	0.014	0.056
NEU3	1	0.560	0.480
GBA	1	-1.380	2.580	0.407			0.357	0.150
HEXB	0	-0.370	0.060				0.103
CTSA	0	0.050	0.530				0.264
SPTLC1	0	0.110	-0.670				-0.731	-0.718
SPTLC1	0	0.110	-0.670
SPTLC2	0	0.960	-0.520				-0.006	0.034
ASAH1	0	-0.300	0.340
COL4A3BP	0	-0.460	0.000
KDSR	0	0.240	-0.260				-0.411	0.471
SGPP1	0	0.690	-0.750
CSNK1G2	0	-0.520	0.560				-0.583	0.273
SMPD4	0	-0.820	0.770				-0.386
SMPD4	0	0.310	-0.590				-0.386
SMPD4	0	-0.820	0.770				0.160	-0.145
SMPD4	0	0.310	-0.590				0.160	-0.145
CERS2	0	0.540	-0.590				0.176	0.286
DEGS1	0	-0.840	0.770
PPAP2B	0	-0.750	0.840
SGPL1	0	0.190	0.490		-0.430		0.606	0.394
GLB1	0	-1.310	1.460				0.469	0.688
PRKD1	0	1.050	0.130
PRKD1	0	1.050	0.130
PRKD1	0	1.050	0.130
GM2A	0	1.660	-0.700

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
ASAH1	Ubiquitylation	K461		0.139	_ESLDVYELDAK(gl)QGR_
CERS2	Ubiquitylation	K96	-0.388	1.140	_QPK(gl)QVEVELLSR_
CERS2	Ubiquitylation	K131		-0.387	_NQDRPSLLK(gl)K_
CERS2	Ubiquitylation	K132	-0.187	0.184	_NQDRPSLLKK(gl)_
COL4A3BP	Phosphorylation	S377	-0.986	-1.717	_SSS(ph)MSSIDLVSASDDVHR_
CSNK1G2	Ubiquitylation	K48	-0.536		_K(gl)IGCGNFGELR_
CSNK1G2	Ubiquitylation	K198	-0.394		_EYIDPETK(gl)K_
CSNK1G2	Ubiquitylation	K199	-0.394		_EYIDPETK(gl)K_
CSNK1G2	Ubiquitylation	K253	0.276	0.386	_GSLPWQGLK(gl)ADTLK_
DEGS1	Ubiquitylation	K29	-1.129	-0.103	_EILAK(gl)YPEIK_
DEGS1	Ubiquitylation	K317	-0.703	0.116	_HQK(gl)GEMVLE_
GLB1	Ubiquitylation	K91		0.224	_DSFLK(gl)DGQPFR_
GM2A	Ubiquitylation	K179		0.422	_IESVLSSSGK(gl)R_
KDSR	Ubiquitylation	K161		0.268	_AVITTMK(gl)ER_
KDSR	Ubiquitylation	K246	-2.034	-0.910	_LISETTSVCK(gl)PEQVAK_
NEU3	Phosphorylation	S343	2.149	0.679	_DAPTIQQSS(ph)PGSSLR_
OSBP	Ubiquitylation	K246		-1.328	_SLSELESLK(gl)LPAESNEK_
OSBP	Phosphorylation	S351	-0.378	-0.478	_GDM(ox)S(ph)DEDDENEFFDAPEIITM(ox)PENLGHK_
OSBP	Phosphorylation	T377	1.867	1.031	_T(ph)GSNIS(ph)GASSDISLDEQYK_
OSBP	Phosphorylation	S379	1.905	2.129	_TGS(ph)NISGASSDISLDEQYK_
OSBP	Phosphorylation	S382	0.925	0.732	_T(ph)GSNIS(ph)GASSDISLDEQYK_
OSBP	Ubiquitylation	K429	1.347		_NCIGK(gl)ELSK_
PPAP2B	Ubiquitylation	K5	0.619	0.462	_(ac)MQNYK(gl)YDK_
PPAP2B	Ubiquitylation	K8	0.265	0.647	_YDK(gl)AIVPESK_
PPAP2B	Ubiquitylation	K15	-0.741	-0.668	_AIVPESK(gl)NGGSPALNNNPR_
PRKD1	Phosphorylation	S207	0.941	1.048	_RLS(ph)NVSLTGVSTIR_
PRKD1	Phosphorylation	T219	-0.068	-0.162	_T(ph)SSAELSTSAPDEPLLQK_
PRKD1	Phosphorylation	S221	-0.662	-0.500	_TSS(ph)AELSTSAPDEPLLQK_
PRKD1	Phosphorylation	S225	-0.970	-0.919	_TSSAELSTS(ph)APDEPLLSPVSPGFEQK_
PRKD1	Phosphorylation	S236		-0.132	_TSSAELSTSAPDEPLLSPVS(ph)PGFEQK_
PRKD1	Phosphorylation	S251	0.474	0.751	_SNS(ph)QSYIGRPIHLDK_
PRKD1	Phosphorylation	S399	0.023	0.162	_TIS(ph)PSTSNNIPLMR_
PRKD1	Ubiquitylation	K730		1.177	_IIGEK(gl)SFR_
PRKD1	Phosphorylation	S744	-0.226	-0.287	_S(ph)VVGTPAYLAPEVLR_
SGPL1	Ubiquitylation	K107	-0.060		_NMSFLK(gl)VDKEYVK_
SGPL1	Ubiquitylation	K131	0.668		_LK(gl)EYSSMDAFWQEGR_
SGPL1	Ubiquitylation	K228		-0.506	_DLAFEK(gl)GIK_
SGPL1	Ubiquitylation	K231		-0.506	_DLAFEK(gl)GIK_
SGPP1	Phosphorylation	S112	0.858	0.841	_RNS(ph)LTGEEGQLAR_
SGPP1	Phosphorylation	T114	1.418	1.268	_RNSLT(ph)GEEGQLAR_
SMPD4	Phosphorylation	S169	-0.702	-0.315	_ASIQECILPDS(ph)PLYHNK_
SMPD4	Ubiquitylation	K453	-1.177	-1.794	_YAPDK(gl)QAPGSDSQPR_
SMPD4	Phosphorylation	S792	-0.397	0.128	_HLLS(ph)PVGR_
SPTLC1	Ubiquitylation	K127	0.685	0.734	_AAALASLKK(gl)_
SPTLC1	Ubiquitylation	K197		0.964	_AACFAIQK(gl)GLQASR_
SPTLC1	Ubiquitylation	K207		0.061	_SDIK(gl)LFK_
SPTLC2	Ubiquitylation	K391		-0.081	_SFGASGGYIGGK(gl)K_
SPTLC2	Ubiquitylation	K392		-0.081	_SFGASGGYIGGK(gl)K_
VAPA	Ubiquitylation	K180		1.211	_LMEECK(gl)R_
VAPA	Ubiquitylation	K188	0.176	0.874	_LQGEMMK(gl)LSEENR_
VAPA	Phosphorylation	S214	0.747	1.178	_VAHSDKPGS(ph)TSTASFR_
VAPB	Ubiquitylation	K3	0.174		_(ac)AK(gl)VEQVLSLEPQHELK_
VAPB	Ubiquitylation	K118	-0.217		_EAKPEDLMDSK(gl)LR_
VAPB	Ubiquitylation	K147	0.150	0.167	_IISTTASK(gl)TETPIVSK_
VAPB	Phosphorylation	S158	2.164	2.536	_SLS(ph)SSLDDTEVKK_
VAPB	Phosphorylation	S160	0.543	0.936	_SLSSS(ph)LDDTEVKK_
VAPB	Ubiquitylation	K167		0.270	_SLSSSLDDTEVK(gl)K_
VAPB	Ubiquitylation	K168		0.270	_SLSSSLDDTEVK(gl)K_
VAPB	Ubiquitylation	K180		1.211	_LMEECK(gl)R_
VAPB	Ubiquitylation	K188	0.176	0.874	_LQGEMMK(gl)LSEENR_
VAPB	Phosphorylation	S214	0.747	1.178	_VAHSDKPGS(ph)TSTASFR_