Ser261

Site Information
yENPHyQsPNMHRRV SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 3207282

In vivo Characterization
Methods used to characterize site in vivo:	mass spectrometry ( 1 , 2 , 4 , 5 , 6 , 7 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 )
Disease tissue studied:	breast cancer ( 6 ) , 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 , 6 ) , leukemia ( 10 ) , acute myelogenous leukemia ( 10 ) , lung cancer ( 4 ) , non-small cell lung adenocarcinoma ( 4 )
Relevant cell line - cell type - tissue:	293 (epithelial) ( 14 ) , breast ( 2 , 6 ) , HeLa (cervical) ( 1 , 5 , 9 , 11 ) , Jurkat (T lymphocyte) ( 7 , 12 , 13 , 15 , 16 , 17 , 20 , 21 ) , K562 (erythroid) ( 9 ) , KG-1 (myeloid) ( 10 ) , MKN-45 (gastric) ( 18 , 19 ) , PC9 (pulmonary) ( 4 ) , PC9-IR (pulmonary) ( 4 )

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	Boeing S, et al. (2016) Multiomic Analysis of the UV-Induced DNA Damage Response. Cell Rep 15, 1597-1610 27184836 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	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
6	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
7	Mertins P, et al. (2013) Integrated proteomic analysis of post-translational modifications by serial enrichment. Nat Methods 10, 634-7 23749302 Curated Info
8	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
9	Zhou H, et al. (2013) Toward a comprehensive characterization of a human cancer cell phosphoproteome. J Proteome Res 12, 260-71 23186163 Curated Info
10	Weber C, Schreiber TB, Daub H (2012) Dual phosphoproteomics and chemical proteomics analysis of erlotinib and gefitinib interference in acute myeloid leukemia cells. J Proteomics 75, 1343-56 22115753 Curated Info
11	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
12	Guo A (2011) CST Curation Set: 12438; 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]P Antibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser) CDKs Substrate Antibody Cat#: 2324, PTMScan(R) Phospho-CDK Substrate Motif (K/RS*PXK/R) Immunoaffinity Beads Cat#: 1981 Curated Info
13	Guo A (2011) CST Curation Set: 12068; 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]P Antibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser) CDKs Substrate Antibody Cat#: 2324, PTMScan(R) Phospho-CDK Substrate Motif (K/RS*PXK/R) Immunoaffinity Beads Cat#: 1981 Curated Info
14	Guo A (2010) CST Curation Set: 9973; Year: 2010; Biosample/Treatment: cell line, 293/Insulin; Disease: -; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P Antibodies Used to Purify Peptides prior to LCMS: Millipore 05-368 Curated Info
15	Possemato A (2010) CST Curation Set: 9642; 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: pSPX(I/L/M/V) Curated Info
16	Possemato A (2010) CST Curation Set: 9286; Year: 2010; Biosample/Treatment: cell line, Jurkat/pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P Curated Info
17	Possemato A (2009) CST Curation Set: 6352; Year: 2009; 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]P Antibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser) CDKs Substrate Antibody Cat#: 2324, PTMScan(R) Phospho-CDK Substrate Motif (K/RS*PXK/R) Immunoaffinity Beads Cat#: 1981 Curated Info
18	Guo A (2008) CST Curation Set: 5570; Year: 2008; Biosample/Treatment: cell line, MKN-45/Su11274; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P Antibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser) CDKs Substrate Antibody Cat#: 2324, PTMScan(R) Phospho-CDK Substrate Motif (K/RS*PXK/R) Immunoaffinity Beads Cat#: 1981 Curated Info
19	Guo A (2008) CST Curation Set: 5571; Year: 2008; Biosample/Treatment: cell line, MKN-45/Su11274; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P Antibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser) CDKs Substrate Antibody Cat#: 2324, PTMScan(R) Phospho-CDK Substrate Motif (K/RS*PXK/R) Immunoaffinity Beads Cat#: 1981 Curated Info
20	Zhou J (2008) CST Curation Set: 4704; Year: 2008; 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]P Antibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser) CDKs Substrate Antibody Cat#: 2324, PTMScan(R) Phospho-CDK Substrate Motif (K/RS*PXK/R) Immunoaffinity Beads Cat#: 1981 Curated Info
21	Possemato A (2008) CST Curation Set: 4347; Year: 2008; 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]P Antibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser) CDKs Substrate Antibody Cat#: 2324, Phospho-MAPK/CDK Substrates (PXSP or SPXR/K) (34B2) Rabbit mAb Cat#: 2325, Phospho-(Ser/Thr) PKD Substrate Antibody Cat#: 4381 Curated Info