Ser873

Site Information
PsPGEGIsPQsAQAP SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 5199362
Available spectra: 1 CST

In vivo Characterization
Methods used to characterize site in vivo:	mass spectrometry ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 12 , 13 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 )
Disease tissue studied:	breast cancer ( 8 , 9 ) , breast ductal carcinoma ( 8 ) , 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 , 8 ) , gastric cancer ( 18 , 22 ) , gastric carcinoma ( 18 , 22 ) , hepatocellular carcinoma, surrounding tissue ( 17 ) , lung cancer ( 6 , 10 , 12 , 15 ) , non-small cell lung cancer ( 10 , 12 ) , non-small cell lung adenocarcinoma ( 6 , 10 , 15 ) , non-small cell large cell lung carcinoma ( 10 ) , ovarian cancer ( 8 ) , melanoma skin cancer ( 5 )
Relevant cell line - cell type - tissue:	breast ( 3 , 8 ) , endothelial-aorta ( 13 ) , H2009 (pulmonary) ( 12 ) , H2887 (pulmonary) ( 12 ) , HCC366 (pulmonary) ( 12 ) , HCC78 (pulmonary) ( 10 , 12 ) , HeLa (cervical) ( 2 , 7 , 16 , 21 ) , hepatocyte-liver ( 17 ) , HMLER ('stem, breast cancer') [CXCR4 (human), knockdown] ( 9 ) , HMLER ('stem, breast cancer') ( 9 ) , lung ( 10 ) , MCF-7 (breast cell) ( 4 ) , MKN-45 (gastric) ( 18 , 19 , 20 , 22 ) , NCI-H1395 (pulmonary) ( 12 ) , NCI-H157 (pulmonary) ( 12 ) , NCI-H1666 (pulmonary) ( 12 ) , NCI-H1781 (pulmonary) ( 10 ) , NCI-H2030 (pulmonary) ( 12 ) , NCI-H2228 (pulmonary) ( 10 ) , NCI-H3122 (pulmonary) ( 10 ) , NCI-H661 (pulmonary) ( 10 ) , ovary ( 8 ) , PC9 (pulmonary) ( 6 ) , U-1810 (pulmonary) [EFNB3 (human), knockdown] ( 15 ) , U-1810 (pulmonary) ( 15 ) , Vero E6-S ('epithelial, kidney') ( 1 ) , WM239A (melanocyte) ( 5 )

Upstream Regulation
Treatments:	metformin ( 4 )

References
1	Bouhaddou M, et al. (2020) The Global Phosphorylation Landscape of SARS-CoV-2 Infection. Cell 182 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	Sacco F, et al. (2016) Deep Proteomics of Breast Cancer Cells Reveals that Metformin Rewires Signaling Networks Away from a Pro-growth State. Cell Syst 2, 159-71 27135362 Curated Info
5	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
6	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
7	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
8	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
9	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
10	Rikova K, Hall B (2013) CST Curation Set: 20740, 21167, 30170, 30171, 30172; Year: 2013; Biosample/Treatment: cell line, H2228, H3122, HCC78, H661, H1781; Disease: -; TMT: Y; Specificities of Antibodies Used to Purify Peptides prior to LCMS: pY, p[ST], RXXp[ST], pSQ, p[ST]QG, LXRXXp[ST], p[ST]P Curated Info
11	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
12	Klammer M, et al. (2012) Phosphosignature predicts dasatinib response in non-small cell lung cancer. Mol Cell Proteomics 11, 651-68 22617229 Curated Info
13	Verano-Braga T, et al. (2012) Time-resolved quantitative phosphoproteomics: new insights into Angiotensin-(1-7) signaling networks in human endothelial cells. J Proteome Res 11, 3370-81 22497526 Curated Info
14	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
15	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
16	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
17	Han G, et al. (2010) Phosphoproteome analysis of human liver tissue by long-gradient nanoflow LC coupled with multiple stage MS analysis. Electrophoresis 31, 1080-9 20166139 Curated Info
18	Moritz A, et al. (2010) Akt-RSK-S6 Kinase Signaling Networks Activated by Oncogenic Receptor Tyrosine Kinases. Sci Signal 3, ra64 20736484 Curated Info
19	Rush J (2008) CST Curation Set: 4495; Year: 2008; Biosample/Treatment: cell line, MKN-45/untreated &'\|\|' normal; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Antibodies Used to Purify Peptides prior to LCMS: Phospho-Akt Substrate (RXRXXS/T) (110B7) Rabbit mAb Cat#: 9614, PTMScan(R) Phospho-Akt Substrate Motif (RXXS/T) Immunoaffinity Beads Cat#: 1978 Curated Info
20	Rush J (2008) CST Curation Set: 4487; Year: 2008; Biosample/Treatment: cell line, MKN-45/untreated &'\|\|' normal; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Antibodies Used to Purify Peptides prior to LCMS: Phospho-Akt Substrate (RXRXXS/T) (110B7) Rabbit mAb Cat#: 9614, PTMScan(R) Phospho-Akt Substrate Motif (RXXS/T) Immunoaffinity Beads Cat#: 1978 Curated Info
21	Ruse CI, et al. (2008) Motif-specific sampling of phosphoproteomes. J Proteome Res 7, 2140-50 18452278 Curated Info
22	Moritz A (2008) CST Curation Set: 4208; Year: 2008; Biosample/Treatment: cell line, MKN-45/untreated; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Antibodies Used to Purify Peptides prior to LCMS: Phospho-Akt Substrate (RXRXXS/T) (110B7) Rabbit mAb Cat#: 9614, PTMScan(R) Phospho-Akt Substrate Motif (RXXS/T) Immunoaffinity Beads Cat#: 1978 Curated Info