Ser519

Site Information
PLKERQLsKPLsERt SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 22780614

In vivo Characterization
Methods used to characterize site in vivo:	mass spectrometry ( 1 , 2 , 3 , 5 , 6 )
Disease tissue studied:	breast cancer ( 2 ) , breast ductal carcinoma ( 2 ) , 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 , 2 ) , ovarian cancer ( 2 )
Relevant cell line - cell type - tissue:	breast ( 1 , 2 ) , HeLa (cervical) ( 5 ) , Jurkat (T lymphocyte) ( 3 , 6 ) , K562 (erythroid) ( 5 ) , ovary ( 2 )

Upstream Regulation
Treatments:	ischemia ( 2 )

References
1	Mertins P, et al. (2016) Proteogenomics connects somatic mutations to signalling in breast cancer. Nature 534, 55-62 27251275 Curated Info
2	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
3	Mertins P, et al. (2013) Integrated proteomic analysis of post-translational modifications by serial enrichment. Nat Methods 10, 634-7 23749302 Curated Info
4	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
5	Zhou H, et al. (2013) Toward a comprehensive characterization of a human cancer cell phosphoproteome. J Proteome Res 12, 260-71 23186163 Curated Info
6	Mulhern D (2011) CST Curation Set: 13261; 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]Q Antibodies Used to Purify Peptides prior to LCMS: ATM/ATR substrate (s/t)QG Cat#: 6939 Curated Info