Ser251

Site Information
QTVPEARsRDAtPPV SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 465702

In vivo Characterization
Methods used to characterize site in vivo:	immunoprecipitation ( 10 ) , mass spectrometry ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 11 , 12 , 13 , 14 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 ) , mutation of modification site ( 10 ) , phospho-antibody ( 10 ) , western blotting ( 10 )
Disease tissue studied:	bone cancer ( 10 ) , breast cancer ( 3 , 6 , 7 , 12 , 13 ) , breast ductal carcinoma ( 6 ) , HER2 positive breast cancer ( 2 ) , luminal A breast cancer ( 2 ) , luminal B breast cancer ( 2 ) , breast cancer, triple negative ( 2 , 6 ) , cervical cancer ( 27 ) , cervical adenocarcinoma ( 27 ) , gastric cancer ( 17 ) , gastric carcinoma ( 17 ) , leukemia ( 16 ) , acute myelogenous leukemia ( 16 ) , ovarian cancer ( 6 ) , melanoma skin cancer ( 4 )
Relevant cell line - cell type - tissue:	293 (epithelial) [AT1 (human), transfection] ( 25 ) , A431 (epithelial) ( 32 ) , breast ( 2 , 6 ) , BT-474 (breast cell) ( 3 ) , GM00130 (B lymphocyte) ( 26 ) , HCC1937 (breast cell) ( 13 ) , HeLa (cervical) ( 1 , 5 , 10 , 11 , 18 , 24 , 28 , 30 , 31 ) , HeLa S3 (cervical) ( 27 ) , HMLER ('stem, breast cancer') [CXCR4 (human), knockdown] ( 7 ) , HMLER ('stem, breast cancer') ( 7 ) , HUES-9 ('stem, embryonic') ( 23 ) , Jurkat (T lymphocyte) ( 8 , 19 , 20 , 21 , 22 , 29 ) , K562 (erythroid) ( 28 ) , KG-1 (myeloid) ( 16 ) , MCF-7 (breast cell) ( 3 , 13 ) , MKN-45 (gastric) ( 17 ) , ovary ( 6 ) , SKBr3 (breast cell) ( 12 ) , T lymphocyte-blood ( 14 ) , U2OS (bone cell) ( 10 ) , WM239A (melanocyte) ( 4 )

Upstream Regulation
Putative in vivo kinases:	GSK3B (human) ( 10 )
Treatments:	antibody ( 14 ) , BI_4834 ( 18 ) , EGF ( 28 ) , ionizing_radiation ( 26 ) , selumetinib ( 4 ) , vemurafenib ( 4 )

Downstream Regulation
Effects of modification on JunB:	protein degradation ( 10 )
Induce interaction with:	FBXW7 (human) ( 10 )

References
1	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
2	Mertins P, et al. (2016) Proteogenomics connects somatic mutations to signalling in breast cancer. Nature 534, 55-62 27251275 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	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
6	Mertins P, et al. (2014) Ischemia in tumors induces early and sustained phosphorylation changes in stress kinase pathways but does not affect global protein levels. Mol Cell Proteomics 13, 1690-704 24719451 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	Mertins P, et al. (2013) Integrated proteomic analysis of post-translational modifications by serial enrichment. Nat Methods 10, 634-7 23749302 Curated Info
9	Shiromizu T, et al. (2013) Identification of missing proteins in the neXtProt database and unregistered phosphopeptides in the PhosphoSitePlus database as part of the Chromosome-centric Human Proteome Project. J Proteome Res 12, 2414-21 23312004 Curated Info
10	Pérez-Benavente B, et al. (2013) GSK3-SCF(FBXW7) targets JunB for degradation in G2 to preserve chromatid cohesion before anaphase. Oncogene 32, 2189-99 22710716 Curated Info
11	Zhou H, et al. (2013) Toward a comprehensive characterization of a human cancer cell phosphoproteome. J Proteome Res 12, 260-71 23186163 Curated Info
12	Imami K, et al. (2012) Temporal profiling of lapatinib-suppressed phosphorylation signals in EGFR/HER2 pathways. Mol Cell Proteomics 11, 1741-57 22964224 Curated Info
13	Klammer M, et al. (2012) Phosphosignature predicts dasatinib response in non-small cell lung cancer. Mol Cell Proteomics 11, 651-68 22617229 Curated Info
14	Ruperez P, Gago-Martinez A, Burlingame AL, Oses-Prieto JA (2012) Quantitative phosphoproteomic analysis reveals a role for serine and threonine kinases in the cytoskeletal reorganization in early T cell receptor activation in human primary T cells. Mol Cell Proteomics 11, 171-86 22499768 Curated Info
15	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
16	Weber C, Schreiber TB, Daub H (2012) Dual phosphoproteomics and chemical proteomics analysis of erlotinib and gefitinib interference in acute myeloid leukemia cells. J Proteomics 75, 1343-56 22115753 Curated Info
17	Mulhern D (2012) CST Curation Set: 13543; Year: 2012; Biosample/Treatment: cell line, MKN-45/untreated; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]Pp[ST] Curated Info
18	Grosstessner-Hain K, et al. (2011) Quantitative phospho-proteomics to investigate the polo-like kinase 1-dependent phospho-proteome. Mol Cell Proteomics 10, M111.008540 21857030 Curated Info
19	Mulhern D (2011) CST Curation Set: 12640; 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
20	Mulhern D (2011) CST Curation Set: 12641; 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
21	Mulhern D (2011) CST Curation Set: 12642; 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
22	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
23	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
24	Kettenbach AN, et al. (2011) Quantitative phosphoproteomics identifies substrates and functional modules of aurora and polo-like kinase activities in mitotic cells. Sci Signal 4, rs5 21712546 Curated Info
25	Xiao K, et al. (2010) Global phosphorylation analysis of beta-arrestin-mediated signaling downstream of a seven transmembrane receptor (7TMR). Proc Natl Acad Sci U S A 107, 15299-304 20686112 Curated Info
26	Bennetzen MV, et al. (2010) Site-specific phosphorylation dynamics of the nuclear proteome during the DNA damage response. Mol Cell Proteomics 9, 1314-23 20164059 Curated Info
27	Olsen JV, et al. (2010) Quantitative phosphoproteomics reveals widespread full phosphorylation site occupancy during mitosis. Sci Signal 3, ra3 20068231 Curated Info
28	Pan C, Olsen JV, Daub H, Mann M (2009) Global effects of kinase inhibitors on signaling networks revealed by quantitative phosphoproteomics. Mol Cell Proteomics 8, 2796-808 19651622 Curated Info
29	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
30	Dephoure N, et al. (2008) A quantitative atlas of mitotic phosphorylation. Proc Natl Acad Sci U S A 105, 10762-7 18669648 Curated Info
31	Ruse CI, et al. (2008) Motif-specific sampling of phosphoproteomes. J Proteome Res 7, 2140-50 18452278 Curated Info
32	MS This site is one of 509 sites observed by D. Stover et al using MS/FTMS of peptides from lysates of A431 cells grown either in vitro or as xenografts in BALB/c nu/nu mice. These sites were previously unpublished until now (July 27 2006). 66 sites were previously published in: Stover DR, et al. Differential phosphoprofiles of EGF and EGFR kinase inhibitor-treated human tumor cells and mouse xenografts Clin Proteomics 2004 Mar 01; 1(1): 69-80. Curated Info