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)
STXBP2	1	2.660	-1.280					-0.501
STXBP3	0	1.010	-0.860	-0.522			0.293	0.257

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
STXBP2	Ubiquitylation	K13		0.730	_AVVGEK(gl)ILSGVIR_
STXBP2	Ubiquitylation	K342	0.616	0.375	_DLSQILK(gl)K_
STXBP2	Ubiquitylation	K343		0.375	_DLSQILK(gl)K_
STXBP3	Ubiquitylation	K19		-0.876	_SVVWQKIK(gl)_
STXBP3	Ubiquitylation	K220	0.734		_KLEDYYK(gl)IDEK_
STXBP3	Ubiquitylation	K224	0.370	0.367	_IDEK(gl)SLIK_
STXBP3	Ubiquitylation	K321	0.844	0.698	_ATEGK(gl)TSLSALTQLMK_
STXBP3	Ubiquitylation	K332	1.105		_TSLSALTQLMK(gl)K_
STXBP3	Ubiquitylation	K333		0.016	_TSLSALTQLMKK(gl)_
STXBP3	Ubiquitylation	K359	-0.603		_FK(gl)LNIEK_
STXBP3	Ubiquitylation	K364		-0.235	_LNIEK(gl)LCK_
STXBP3	Ubiquitylation	K367	0.264	0.382	_LCK(gl)TEQDLALGTDAEGQK_
STXBP3	Ubiquitylation	K384	0.874		_TEQDLALGTDAEGQKVK(gl)DSMR_
STXBP3	Ubiquitylation	K585	1.271		_DK(gl)VSLIKDE_