Ser81

Site Information
AAGsGAAsPsAAEkG SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 3189655

In vivo Characterization
Methods used to characterize site in vivo:	mass spectrometry ( 1 , 2 , 3 , 4 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 )
Disease tissue studied:	breast cancer ( 8 ) , HER2 positive breast cancer ( 2 ) , luminal A breast cancer ( 2 ) , luminal B breast cancer ( 2 ) , breast cancer, surrounding tissue ( 2 ) , breast cancer, triple negative ( 2 ) , cervical cancer ( 14 ) , cervical adenocarcinoma ( 14 ) , lung cancer ( 4 ) , non-small cell lung adenocarcinoma ( 4 ) , melanoma skin cancer ( 3 ) , FTLD ( 12 )
Relevant cell line - cell type - tissue:	'brain, cerebral cortex' ( 12 ) , 'stem, embryonic' ( 16 ) , 293 (epithelial) [AT1 (human), transfection, AT1R stable transfected HEK293] ( 13 ) , 293 (epithelial) ( 17 ) , breast ( 2 ) , BT-20 (breast cell) ( 8 ) , BT-549 (breast cell) ( 8 ) , Flp-In T-Rex-293 (epithelial) [PRKD1 (human), genetic knockin] ( 9 ) , Flp-In T-Rex-293 (epithelial) ( 9 ) , HeLa (cervical) ( 1 , 10 , 15 , 18 , 19 ) , HeLa S3 (cervical) ( 14 ) , HUES-9 ('stem, embryonic') ( 11 ) , K562 (erythroid) ( 7 ) , MDA-MB-231 (breast cell) ( 8 ) , MDA-MB-468 (breast cell) ( 8 ) , PC9 (pulmonary) ( 4 ) , PC9-IR (pulmonary) ( 4 ) , WM239A (melanocyte) ( 3 )

Upstream Regulation
Treatments:	EGF ( 1 ) , nocodazole ( 14 )

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	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
4	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
5	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
6	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
7	Zhou H, et al. (2013) Toward a comprehensive characterization of a human cancer cell phosphoproteome. J Proteome Res 12, 260-71 23186163 Curated Info
8	Klammer M, et al. (2012) Phosphosignature predicts dasatinib response in non-small cell lung cancer. Mol Cell Proteomics 11, 651-68 22617229 Curated Info
9	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
10	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
11	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
12	Herskowitz JH, et al. (2010) Phosphoproteomic Analysis Reveals Site-Specific Changes in GFAP and NDRG2 Phosphorylation in Frontotemporal Lobar Degeneration. J Proteome Res 9, 6368-79 20886841 Curated Info
13	Christensen GL, et al. (2010) Quantitative phosphoproteomics dissection of seven-transmembrane receptor signaling using full and biased agonists. Mol Cell Proteomics 9, 1540-53 20363803 Curated Info
14	Olsen JV, et al. (2010) Quantitative phosphoproteomics reveals widespread full phosphorylation site occupancy during mitosis. Sci Signal 3, ra3 20068231 Curated Info
15	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
16	Brill LM, et al. (2009) Phosphoproteomic analysis of human embryonic stem cells. Cell Stem Cell 5, 204-13 19664994 Curated Info
17	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
18	Chen RQ, et al. (2009) CDC25B mediates rapamycin-induced oncogenic responses in cancer cells. Cancer Res 69, 2663-8 19276368 Curated Info
19	Dephoure N, et al. (2008) A quantitative atlas of mitotic phosphorylation. Proc Natl Acad Sci U S A 105, 10762-7 18669648 Curated Info