Ser64

Site Information
EPGtPPssPLsAEQL SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 2018601

In vivo Characterization
Methods used to characterize site in vivo:	immunoprecipitation ( 1 , 33 ) , mass spectrometry ( 2 , 3 , 4 , 5 , 6 , 7 , 9 , 10 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 33 ) , mass spectrometry (in vitro) ( 32 ) , mutation of modification site ( 1 , 33 ) , phospho-antibody ( 1 ) , western blotting ( 1 , 33 )
Disease tissue studied:	breast cancer ( 3 , 7 ) , lung cancer ( 5 ) , non-small cell lung adenocarcinoma ( 5 ) , ovarian cancer ( 1 ) , melanoma skin cancer ( 4 )
Relevant cell line - cell type - tissue:	293 (epithelial) ( 22 ) , HeLa (cervical) ( 2 , 6 , 10 , 13 , 16 , 18 , 28 , 30 , 33 ) , HMLER ('stem, breast cancer') [CXCR4 (human), knockdown] ( 7 ) , HMLER ('stem, breast cancer') ( 7 ) , HUES-7 ('stem, embryonic') ( 21 ) , HUES-9 ('stem, embryonic') ( 14 ) , Jurkat (T lymphocyte) ( 9 , 12 , 15 , 17 , 19 , 20 , 23 , 24 , 25 , 26 , 27 , 31 ) , K562 (erythroid) ( 10 , 29 ) , MCF-7 (breast cell) ( 3 ) , OVCAR8 (ovarian) ( 1 ) , PC9 (pulmonary) ( 5 ) , PC9-IR (pulmonary) ( 5 ) , WM239A (melanocyte) ( 4 )

Upstream Regulation
Putative in vivo kinases:	GSK3A (human) ( 1 ) , GSK3B (human) ( 1 )
Kinases, in vitro:	CDK1 (human) ( 32 , 33 ) , CDK2 (human) ( 33 )
Treatments:	anti-CD3 ( 26 ) , EGF ( 2 ) , vemurafenib ( 4 )

Downstream Regulation
Effects of modification on UNG:	enzymatic activity, induced ( 33 ) , molecular association, regulation ( 33 ) , protein conformation ( 33 ) , protein degradation ( 1 , 33 ) , ubiquitination ( 33 )
Effects of modification on biological processes:	DNA repair, induced ( 1 )
Inhibit interaction with:	RPA1 (human) ( 33 )

References
1	Baehr CA, et al. (2016) Glycogen Synthase Kinase 3 (GSK-3)-mediated Phosphorylation of Uracil N-Glycosylase 2 (UNG2) Facilitates the Repair of Floxuridine-induced DNA Lesions and Promotes Cell Survival. J Biol Chem 291, 26875-26885 27875297 Curated Info
2	Huang H, et al. (2016) Simultaneous Enrichment of Cysteine-containing Peptides and Phosphopeptides Using a Cysteine-specific Phosphonate Adaptable Tag (CysPAT) in Combination with titanium dioxide (TiO2) Chromatography. Mol Cell Proteomics 15, 3282-3296 27281782 Curated Info
3	Carrier M, et al. (2016) Phosphoproteome and Transcriptome of RA-Responsive and RA-Resistant Breast Cancer Cell Lines. PLoS One 11, e0157290 27362937 Curated Info
4	Stuart SA, et al. (2015) A Phosphoproteomic Comparison of B-RAFV600E and MKK1/2 Inhibitors in Melanoma Cells. Mol Cell Proteomics 14, 1599-615 25850435 Curated Info
5	Tsai CF, et al. (2015) Large-scale determination of absolute phosphorylation stoichiometries in human cells by motif-targeting quantitative proteomics. Nat Commun 6, 6622 25814448 Curated Info
6	Sharma K, et al. (2014) Ultradeep human phosphoproteome reveals a distinct regulatory nature of Tyr and Ser/Thr-based signaling. Cell Rep 8, 1583-94 25159151 Curated Info
7	Yi T, et al. (2014) Quantitative phosphoproteomic analysis reveals system-wide signaling pathways downstream of SDF-1/CXCR4 in breast cancer stem cells. Proc Natl Acad Sci U S A 111, E2182-90 24782546 Curated Info
8	Schweppe DK, Rigas JR, Gerber SA (2013) Quantitative phosphoproteomic profiling of human non-small cell lung cancer tumors. J Proteomics 91, 286-96 23911959 Curated Info
9	Mertins P, et al. (2013) Integrated proteomic analysis of post-translational modifications by serial enrichment. Nat Methods 10, 634-7 23749302 Curated Info
10	Zhou H, et al. (2013) Toward a comprehensive characterization of a human cancer cell phosphoproteome. J Proteome Res 12, 260-71 23186163 Curated Info
11	Beli P, et al. (2012) Proteomic Investigations Reveal a Role for RNA Processing Factor THRAP3 in the DNA Damage Response. Mol Cell 46, 212-25 22424773 Curated Info
12	Guo A (2011) CST Curation Set: 12018; Year: 2011; Biosample/Treatment: cell line, Jurkat/calyculin_A & pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P Curated Info
13	Guo A (2011) CST Curation Set: 11453; Year: 2011; Biosample/Treatment: cell line, HeLa/nocodazole &'\|\|' pervanadate; Disease: cervical adenocarcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P Antibodies Used to Purify Peptides prior to LCMS: Phospho-PLK Binding Motif (STP) (D73F6) Rabbit mAb Cat#: 5243, PTMScan(R) Phospho-PLK Binding Motif (STP) Immunoaffinity Beads Cat#: 5756 Curated Info
14	Rigbolt KT, et al. (2011) System-wide temporal characterization of the proteome and phosphoproteome of human embryonic stem cell differentiation. Sci Signal 4, rs3 21406692 Curated Info
15	Possemato A (2010) CST Curation Set: 10874; Year: 2010; Biosample/Treatment: cell line, Jurkat/calyculin_A & pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P Curated Info
16	Zhou J (2010) CST Curation Set: 10712; Year: 2010; Biosample/Treatment: cell line, HeLa/untreated; Disease: cervical adenocarcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P Antibodies Used to Purify Peptides prior to LCMS: Phospho-PLK Binding Motif (STP) (D73F6) Rabbit mAb Cat#: 5243, PTMScan(R) Phospho-PLK Binding Motif (STP) Immunoaffinity Beads Cat#: 5756 Curated Info
17	Possemato A (2010) CST Curation Set: 10722; Year: 2010; Biosample/Treatment: cell line, Jurkat/pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P , PTMScan(R) PLK Binding Motif (SpTP) Immunoaffinity Beads Cat#: 1995 Curated Info
18	Zhou J (2010) CST Curation Set: 10710; Year: 2010; Biosample/Treatment: cell line, HeLa/untreated; Disease: cervical adenocarcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P Antibodies Used to Purify Peptides prior to LCMS: Phospho-Thr-Pro Motif Antibody (polyAB) Cat#: 3003, PTMScan(R) Phospho-Thr-Pro Motif (T*P) Immunoaffinity Beads Cat#: 1996 Curated Info
19	Possemato A (2010) CST Curation Set: 10723; Year: 2010; Biosample/Treatment: cell line, Jurkat/pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P Antibodies Used to Purify Peptides prior to LCMS: Phospho-Thr-Pro Motif Antibody (polyAB) Cat#: 3003, PTMScan(R) Phospho-Thr-Pro Motif (T*P) Immunoaffinity Beads Cat#: 1996 Curated Info
20	Possemato A (2010) CST Curation Set: 9353; Year: 2010; Biosample/Treatment: cell line, Jurkat/calyculin_A & pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]Pp[ST] Curated Info
21	Van Hoof D, et al. (2009) Phosphorylation dynamics during early differentiation of human embryonic stem cells. Cell Stem Cell 5, 214-26 19664995 Curated Info
22	Gauci S, et al. (2009) Lys-N and trypsin cover complementary parts of the phosphoproteome in a refined SCX-based approach. Anal Chem 81, 4493-501 19413330 Curated Info
23	Possemato A (2009) CST Curation Set: 6851; Year: 2009; Biosample/Treatment: cell line, Jurkat/calyculin_A & pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P Curated Info
24	Possemato A (2009) CST Curation Set: 6850; Year: 2009; Biosample/Treatment: cell line, Jurkat/calyculin_A & pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P Curated Info
25	Possemato A (2009) CST Curation Set: 6368; Year: 2009; Biosample/Treatment: cell line, Jurkat/calyculin_A & pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: pSP Curated Info
26	Mayya V, et al. (2009) Quantitative phosphoproteomic analysis of T cell receptor signaling reveals system-wide modulation of protein-protein interactions. Sci Signal 2, ra46 19690332 Curated Info
27	Possemato A (2008) CST Curation Set: 5273; Year: 2008; Biosample/Treatment: cell line, Jurkat/calyculin_A & pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P , PTMScan(R) PLK Binding Motif (SpTP) Immunoaffinity Beads Cat#: 1995 Curated Info
28	Dephoure N, et al. (2008) A quantitative atlas of mitotic phosphorylation. Proc Natl Acad Sci U S A 105, 10762-7 18669648 Curated Info
29	Stokes M (2008) CST Curation Set: 4609; Year: 2008; Biosample/Treatment: cell line, K562/untreated; Disease: chronic myelogenous leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY]) Curated Info
30	Ruse CI, et al. (2008) Motif-specific sampling of phosphoproteomes. J Proteome Res 7, 2140-50 18452278 Curated Info
31	Stokes M (2008) CST Curation Set: 3885; Year: 2008; Biosample/Treatment: cell line, Jurkat/pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY]) Curated Info
32	Blethrow JD, Glavy JS, Morgan DO, Shokat KM (2008) Covalent capture of kinase-specific phosphopeptides reveals Cdk1-cyclin B substrates. Proc Natl Acad Sci U S A 105, 1442-7 18234856 Curated Info
33	Hagen L, et al. (2008) Cell cycle-specific UNG2 phosphorylations regulate protein turnover, activity and association with RPA. EMBO J 27, 51-61 18079698 Curated Info