Ser83

Site Information
yPRRRRssPsARPPD SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 484821

In vivo Characterization
Methods used to characterize site in vivo:	mass spectrometry ( 1 , 2 , 3 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 )
Disease tissue studied:	breast cancer ( 5 , 10 , 11 , 17 , 18 ) , breast ductal carcinoma ( 10 ) , HER2 positive breast cancer ( 3 ) , luminal A breast cancer ( 3 ) , luminal B breast cancer ( 3 ) , breast cancer, surrounding tissue ( 3 ) , breast cancer, triple negative ( 3 , 10 ) , gastric cancer ( 27 , 28 , 29 , 30 , 31 , 32 ) , gastric carcinoma ( 27 , 28 , 29 , 30 , 31 , 32 ) , lung cancer ( 8 , 14 , 33 , 34 ) , non-small cell lung adenocarcinoma ( 8 , 14 , 33 ) , ovarian cancer ( 10 ) , pancreatic ductal adenocarcinoma ( 13 ) , melanoma skin cancer ( 7 )
Relevant cell line - cell type - tissue:	'pancreatic, ductal'-pancreas ( 13 ) , 293 (epithelial) [AT1 (human), transfection] ( 37 ) , 293E (epithelial) ( 25 ) , breast ( 3 , 10 ) , BT-474 (breast cell) ( 5 ) , BT-549 (breast cell) ( 18 ) , CL1-0 (pulmonary) ( 34 ) , CL1-1 (pulmonary) ( 34 ) , CL1-2 (pulmonary) ( 34 ) , CL1-5 (pulmonary) ( 34 ) , DG75 (B lymphocyte) ( 36 ) , Flp-In T-Rex-293 (epithelial) [PRKD1 (human), genetic knockin] ( 19 ) , Flp-In T-Rex-293 (epithelial) ( 19 ) , HCC1937 (breast cell) ( 18 ) , HEK293T (epithelial) ( 6 ) , HeLa (cervical) ( 2 , 9 , 16 , 39 ) , HMLER ('stem, breast cancer') [CXCR4 (human), knockdown] ( 11 ) , HMLER ('stem, breast cancer') ( 11 ) , Jurkat (T lymphocyte) ( 15 , 21 , 22 , 23 , 24 , 26 , 35 , 38 ) , K562 (erythroid) ( 16 ) , liver ( 12 ) , lung ( 14 ) , MCF-7 (breast cell) ( 5 , 18 ) , MDA-MB-231 (breast cell) ( 18 ) , MKN-45 (gastric) ( 27 , 28 , 29 , 30 , 31 , 32 ) , ovary ( 10 ) , PC9 (pulmonary) ( 8 ) , SKBr3 (breast cell) ( 17 ) , U-1810 (pulmonary) [EFNB3 (human), knockdown] ( 33 ) , U-1810 (pulmonary) ( 33 ) , Vero E6-S ('epithelial, kidney') ( 1 ) , WM239A (melanocyte) ( 7 )

Upstream Regulation
Treatments:	ischemia ( 10 ) , lapatinib ( 17 )

References
1	Bouhaddou M, et al. (2020) The Global Phosphorylation Landscape of SARS-CoV-2 Infection. Cell 32645325 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	Mertins P, et al. (2016) Proteogenomics connects somatic mutations to signalling in breast cancer. Nature 534, 55-62 27251275 Curated Info
4	Boeing S, et al. (2016) Multiomic Analysis of the UV-Induced DNA Damage Response. Cell Rep 15, 1597-1610 27184836 Curated Info
5	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
6	Franchin C, et al. (2015) Quantitative analysis of a phosphoproteome readily altered by the protein kinase CK2 inhibitor quinalizarin in HEK-293T cells. Biochim Biophys Acta 1854, 609-23 25278378 Curated Info
7	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
8	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
9	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
10	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
11	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
12	Bian Y, et al. (2014) An enzyme assisted RP-RPLC approach for in-depth analysis of human liver phosphoproteome. J Proteomics 96, 253-62 24275569 Curated Info
13	Britton D, et al. (2014) Quantification of pancreatic cancer proteome and phosphorylome: indicates molecular events likely contributing to cancer and activity of drug targets. PLoS One 9, e90948 24670416 Curated Info
14	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
15	Mertins P, et al. (2013) Integrated proteomic analysis of post-translational modifications by serial enrichment. Nat Methods 10, 634-7 23749302 Curated Info
16	Zhou H, et al. (2013) Toward a comprehensive characterization of a human cancer cell phosphoproteome. J Proteome Res 12, 260-71 23186163 Curated Info
17	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
18	Klammer M, et al. (2012) Phosphosignature predicts dasatinib response in non-small cell lung cancer. Mol Cell Proteomics 11, 651-68 22617229 Curated Info
19	Franz-Wachtel M, et al. (2012) Global detection of protein kinase D-dependent phosphorylation events in nocodazole-treated human cells. Mol Cell Proteomics 11, 160-70 22496350 Curated Info
20	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
21	Guo A (2011) CST Curation Set: 12740; 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: PXpSP, pSPX(K/R) Antibodies Used to Purify Peptides prior to LCMS: Phospho-MAPK/CDK Substrates (PXSP or SPXR/K) (34B2) Rabbit mAb Cat#: 2325, PTMScan(R) Phospho-MAPK/CDK Substrate Motif (PXSP, SPXK/R) Immunoaffinity Beads Cat#: 1982 Curated Info
22	Mulhern D (2011) CST Curation Set: 12709; 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]XP Curated Info
23	Mulhern D (2011) CST Curation Set: 12710; 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]XP Curated Info
24	Mulhern D (2011) CST Curation Set: 12712; 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]XP Curated Info
25	Hsu PP, et al. (2011) The mTOR-regulated phosphoproteome reveals a mechanism of mTORC1-mediated inhibition of growth factor signaling. Science 332, 1317-22 21659604 Curated Info
26	Guo A (2011) CST Curation Set: 11985; 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]XP Curated Info
27	Moritz A (2011) CST Curation Set: 11935; Year: 2011; Biosample/Treatment: cell line, MKN-45/untreated; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Curated Info
28	Moritz A (2011) CST Curation Set: 11936; Year: 2011; Biosample/Treatment: cell line, MKN-45/untreated; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Curated Info
29	Moritz A (2011) CST Curation Set: 11939; Year: 2011; Biosample/Treatment: cell line, MKN-45/untreated; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Curated Info
30	Moritz A (2011) CST Curation Set: 11940; Year: 2011; Biosample/Treatment: cell line, MKN-45/untreated; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Curated Info
31	Moritz A (2011) CST Curation Set: 11943; Year: 2011; Biosample/Treatment: cell line, MKN-45/untreated; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Curated Info
32	Moritz A (2011) CST Curation Set: 11944; Year: 2011; Biosample/Treatment: cell line, MKN-45/untreated; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Curated Info
33	Ståhl S, et al. (2011) Phosphoproteomic profiling of NSCLC cells reveals that ephrin B3 regulates pro-survival signaling through Akt1-mediated phosphorylation of the EphA2 receptor. J Proteome Res 10, 2566-78 21413766 Curated Info
34	Wang YT, et al. (2010) An informatics-assisted label-free quantitation strategy that depicts phosphoproteomic profiles in lung cancer cell invasion. J Proteome Res 9, 5582-97 20815410 Curated Info
35	Possemato A (2010) CST Curation Set: 10720; Year: 2010; Biosample/Treatment: cell line, Jurkat/pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: PXpSP, pSPX(K/R) Antibodies Used to Purify Peptides prior to LCMS: Phospho-MAPK/CDK Substrates (PXSP or SPXR/K) (34B2) Rabbit mAb Cat#: 2325, PTMScan(R) Phospho-MAPK/CDK Substrate Motif (PXSP, SPXK/R) Immunoaffinity Beads Cat#: 1982 Curated Info
36	Iliuk AB, et al. (2010) In-depth analyses of kinase-dependent tyrosine phosphoproteomes based on metal ion-functionalized soluble nanopolymers. Mol Cell Proteomics 9, 2162-72 20562096 Curated Info
37	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
38	Possemato A (2010) CST Curation Set: 10051; 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: PXpSP, pSPX(K/R) Antibodies Used to Purify Peptides prior to LCMS: Phospho-MAPK/CDK Substrates (PXSP or SPXR/K) (34B2) Rabbit mAb Cat#: 2325, PTMScan(R) Phospho-MAPK/CDK Substrate Motif (PXSP, SPXK/R) Immunoaffinity Beads Cat#: 1982 Curated Info
39	Chen RQ, et al. (2009) CDC25B mediates rapamycin-induced oncogenic responses in cancer cells. Cancer Res 69, 2663-8 19276368 Curated Info