Ser320

Site Information
LPPAAEPsPVsKEQS SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 453707

In vivo Characterization
Methods used to characterize site in vivo:	mass spectrometry ( 1 , 2 , 3 , 4 , 5 , 6 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 )
Disease tissue studied:	breast cancer ( 4 , 9 ) , breast ductal carcinoma ( 4 ) , HER2 positive breast cancer ( 1 ) , luminal A breast cancer ( 1 ) , luminal B breast cancer ( 1 ) , breast cancer, surrounding tissue ( 1 ) , breast cancer, triple negative ( 1 ) , cervical cancer ( 13 ) , cervical adenocarcinoma ( 13 ) , melanoma skin cancer ( 2 )
Relevant cell line - cell type - tissue:	293 (epithelial) ( 16 ) , A549 (pulmonary) ( 5 ) , breast ( 1 , 4 ) , BT-20 (breast cell) ( 9 ) , BT-549 (breast cell) ( 9 ) , HeLa (cervical) ( 3 , 8 , 12 , 17 , 18 ) , HeLa S3 (cervical) [PLK1 (human), knockdown, Tet-inducible PLK1 siRNA] ( 10 ) , HeLa S3 (cervical) ( 10 , 13 , 14 ) , HUES-7 ('stem, embryonic') ( 15 ) , HUES-9 ('stem, embryonic') ( 11 ) , Jurkat (T lymphocyte) ( 6 ) , K562 (erythroid) ( 8 ) , MDA-MB-231 (breast cell) ( 9 ) , MDA-MB-468 (breast cell) ( 9 ) , WM239A (melanocyte) ( 2 )

Upstream Regulation
Treatments:	nocodazole ( 13 )

References
1	Mertins P, et al. (2016) Proteogenomics connects somatic mutations to signalling in breast cancer. Nature 534, 55-62 27251275 Curated Info
2	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
3	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
4	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
5	Kim JY, et al. (2013) Dissection of TBK1 signaling via phosphoproteomics in lung cancer cells. Proc Natl Acad Sci U S A 110, 12414-9 23836654 Curated Info
6	Mertins P, et al. (2013) Integrated proteomic analysis of post-translational modifications by serial enrichment. Nat Methods 10, 634-7 23749302 Curated Info
7	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
8	Zhou H, et al. (2013) Toward a comprehensive characterization of a human cancer cell phosphoproteome. J Proteome Res 12, 260-71 23186163 Curated Info
9	Klammer M, et al. (2012) Phosphosignature predicts dasatinib response in non-small cell lung cancer. Mol Cell Proteomics 11, 651-68 22617229 Curated Info
10	Santamaria A, et al. (2011) The Plk1-dependent phosphoproteome of the early mitotic spindle. Mol Cell Proteomics 10, M110.004457 20860994 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	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
13	Olsen JV, et al. (2010) Quantitative phosphoproteomics reveals widespread full phosphorylation site occupancy during mitosis. Sci Signal 3, ra3 20068231 Curated Info
14	Malik R, et al. (2009) Quantitative analysis of the human spindle phosphoproteome at distinct mitotic stages. J Proteome Res 8, 4553-63 19691289 Curated Info
15	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
16	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
17	Dephoure N, et al. (2008) A quantitative atlas of mitotic phosphorylation. Proc Natl Acad Sci U S A 105, 10762-7 18669648 Curated Info
18	Beausoleil SA, et al. (2004) Large-scale characterization of HeLa cell nuclear phosphoproteins. Proc Natl Acad Sci U S A 101, 12130-5 15302935 Curated Info