Ser284

Site Information
EPRKPsPsEsPEPWK SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 3209310

In vivo Characterization
Methods used to characterize site in vivo:	mass spectrometry ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 )
Disease tissue studied:	breast cancer ( 3 , 4 ) , HER2 positive breast cancer ( 2 ) , luminal A breast cancer ( 2 ) , luminal B breast cancer ( 2 ) , breast cancer, triple negative ( 2 ) , gastric cancer ( 7 ) , gastric carcinoma ( 7 ) , leukemia ( 13 ) , chronic myelogenous leukemia ( 13 ) , prostate cancer ( 12 )
Relevant cell line - cell type - tissue:	293 (epithelial) [AT1 (human), transfection] ( 8 ) , breast ( 2 ) , BT-474 (breast cell) ( 3 ) , HMLER ('stem, breast cancer') [CXCR4 (human), knockdown] ( 4 ) , HMLER ('stem, breast cancer') ( 4 ) , Jurkat (T lymphocyte) ( 6 , 9 , 10 , 11 ) , K562 (erythroid) ( 13 ) , liver ( 5 ) , LNCaP (prostate cell) ( 12 ) , MKN-45 (gastric) ( 7 ) , Vero E6-S ('epithelial, kidney') ( 1 )

References
1	Bouhaddou M, et al. (2020) The Global Phosphorylation Landscape of SARS-CoV-2 Infection. Cell 182 32645325 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	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
4	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
5	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
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	Guo A (2011) CST Curation Set: 11299; Year: 2011; Biosample/Treatment: cell line, MKN-45/untreated; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY]) Curated Info
8	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
9	Possemato A (2010) CST Curation Set: 10142; 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: p[STY]) Curated Info
10	Possemato A (2010) CST Curation Set: 10155; 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: p[STY]) Curated Info
11	Possemato A (2010) CST Curation Set: 10163; 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: p[STY]) Curated Info
12	Chen L, Giorgianni F, Beranova-Giorgianni S (2010) Characterization of the phosphoproteome in LNCaP prostate cancer cells by in-gel isoelectric focusing and tandem mass spectrometry. J Proteome Res 9, 174-8 20044836 Curated Info
13	Moritz A (2009) CST Curation Set: 8720; Year: 2009; Biosample/Treatment: cell line, K562/untreated; Disease: chronic myelogenous 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