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)
PCK1	3	-0.250	0.020
PCK1	3	-0.250	0.020	-0.618	1.207	-2.619	1.882	1.706
PCK2	2	0.680	-0.790	-0.618	1.207	-2.619	1.882	1.706

Gene name	PTM type	PTM site	UV	UV (MG132)	Sequence
PCK1	Phosphorylation	S13	1.866	0.458	_(ac)TTGRTM(ox)YVIPFS(ph)M(ox)GPLGS(ph)PLS(ph)K_
PCK1	Phosphorylation	S19	1.866	-1.827	_(ac)TTGRTM(ox)YVIPFS(ph)M(ox)GPLGS(ph)PLS(ph)K_
PCK1	Phosphorylation	S22	1.866	0.458	_(ac)TTGRTM(ox)YVIPFS(ph)M(ox)GPLGS(ph)PLS(ph)K_