Ser203

Site Information
HsGSDrssFsHysGL SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 476399

In vivo Characterization
Methods used to characterize site in vivo:	mass spectrometry ( 2 , 3 , 4 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 )
Disease tissue studied:	breast cancer ( 4 ) , breast ductal carcinoma ( 4 ) , 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 , 4 ) , lung cancer ( 10 ) , non-small cell lung cancer ( 7 )
Relevant cell line - cell type - tissue:	A549 (pulmonary) ( 7 ) , breast ( 2 , 4 ) , CL1-0 (pulmonary) ( 10 ) , CL1-1 (pulmonary) ( 10 ) , CL1-2 (pulmonary) ( 10 ) , CL1-5 (pulmonary) ( 10 ) , HEK293T (epithelial) ( 24 ) , HeLa (cervical) ( 3 , 19 , 22 ) , Jurkat (T lymphocyte) ( 8 , 9 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 20 , 21 , 23 ) , K562 (erythroid) ( 6 )

Upstream Regulation
Treatments:	metastatic potential ( 10 )

References
1	Needham EJ, et al. (2019) Phosphoproteomics of Acute Cell Stressors Targeting Exercise Signaling Networks Reveal Drug Interactions Regulating Protein Secretion. Cell Rep 29, 1524-1538.e6 31693893 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	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	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
6	Zhou H, et al. (2013) Toward a comprehensive characterization of a human cancer cell phosphoproteome. J Proteome Res 12, 260-71 23186163 Curated Info
7	Rikova K (2012) CST Curation Set: 16140; Year: 2012; Biosample/Treatment: cell line, A549/iressa, gleevec, crizotinib; Disease: -; TMT: Y; Specificities of Antibodies Used to Purify Peptides prior to LCMS: pY Antibodies Used to Purify Peptides prior to LCMS: Phospho-Tyrosine (P-Tyr-1000) MultiMab(TM) Rabbit mAb mix Cat#: 8954 Curated Info
8	Zhou J (2012) CST Curation Set: 14432; Year: 2012; 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] Antibodies Used to Purify Peptides prior to LCMS: Phospho-Tyrosine (P-Tyr-1000) Rabbit mAb Cat#: 8954, Phospho-Tyrosine Rabbit mAb (p-Tyr-1000) Immunoaffinity Beads Cat#: 8876 Curated Info
9	Zhou J (2011) CST Curation Set: 12496; 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: pY Antibodies Used to Purify Peptides prior to LCMS: Phospho-Tyrosine Mouse mAb (P-Tyr-100) Cat#: 9411, PTMScan(R) Phospho-Tyr Motif (Y*) Immunoaffinity Beads Cat#: 1991 Curated Info
10	Wang YT, et al. (2010) An informatics-assisted label-free quantitation strategy that depicts phosphoproteomic profiles in lung cancer cell invasion. J Proteome Res 9, 5582-97 20815410 Curated Info
11	Possemato A (2010) CST Curation Set: 10538; 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: pY Antibodies Used to Purify Peptides prior to LCMS: Phospho-Tyrosine Mouse mAb (P-Tyr-100) Cat#: 9411, PTMScan(R) Phospho-Tyr Motif (Y*) Immunoaffinity Beads Cat#: 1991 Curated Info
12	Possemato A (2010) CST Curation Set: 10064; 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: pY Antibodies Used to Purify Peptides prior to LCMS: Phospho-Tyrosine Mouse mAb (P-Tyr-100) Cat#: 9411, PTMScan(R) Phospho-Tyr Motif (Y*) Immunoaffinity Beads Cat#: 1991 Curated Info
13	Possemato A (2010) CST Curation Set: 9569; 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: pY Antibodies Used to Purify Peptides prior to LCMS: Phospho-Tyrosine Mouse mAb (P-Tyr-100) Cat#: 9411, PTMScan(R) Phospho-Tyr Motif (Y*) Immunoaffinity Beads Cat#: 1991 Curated Info
14	Possemato A (2010) CST Curation Set: 9568; 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: pY Antibodies Used to Purify Peptides prior to LCMS: Phospho-Tyrosine Mouse mAb (P-Tyr-100) Cat#: 9411, PTMScan(R) Phospho-Tyr Motif (Y*) Immunoaffinity Beads Cat#: 1991 Curated Info
15	Possemato A (2010) CST Curation Set: 9566; 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: pY Antibodies Used to Purify Peptides prior to LCMS: Phospho-Tyrosine Mouse mAb (P-Tyr-100) Cat#: 9411, PTMScan(R) Phospho-Tyr Motif (Y*) Immunoaffinity Beads Cat#: 1991 Curated Info
16	Possemato A (2009) CST Curation Set: 7995; 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: pY Antibodies Used to Purify Peptides prior to LCMS: Phospho-Tyrosine Mouse mAb (P-Tyr-100) Cat#: 9411, PTMScan(R) Phospho-Tyr Motif (Y*) Immunoaffinity Beads Cat#: 1991 Curated Info
17	Possemato A (2009) CST Curation Set: 7120; 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: (K/R)XpSX(K/R)Antibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser) PKC Substrate Antibody Cat#: 2261, PTMScan(R) Phospho-PKC Substrate Motif (K/RXpSXK/R) Immunoaffinity Beads Cat#: 1985 Curated Info
18	Possemato A (2009) CST Curation Set: 6845; 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: pY Antibodies Used to Purify Peptides prior to LCMS: Phospho-Tyrosine Mouse mAb (P-Tyr-100) Cat#: 9411, PTMScan(R) Phospho-Tyr Motif (Y*) Immunoaffinity Beads Cat#: 1991 Curated Info
19	Chen RQ, et al. (2009) CDC25B mediates rapamycin-induced oncogenic responses in cancer cells. Cancer Res 69, 2663-8 19276368 Curated Info
20	Possemato A (2008) CST Curation Set: 5331; 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: pY Antibodies Used to Purify Peptides prior to LCMS: Phospho-Tyrosine Mouse mAb (P-Tyr-100) Cat#: 9411, PTMScan(R) Phospho-Tyr Motif (Y*) Immunoaffinity Beads Cat#: 1991 Curated Info
21	Possemato A (2008) CST Curation Set: 4641; 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: pY Antibodies Used to Purify Peptides prior to LCMS: Phospho-Tyrosine Mouse mAb (P-Tyr-100) Cat#: 9411, PTMScan(R) Phospho-Tyr Motif (Y*) Immunoaffinity Beads Cat#: 1991 Curated Info
22	Ruse CI, et al. (2008) Motif-specific sampling of phosphoproteomes. J Proteome Res 7, 2140-50 18452278 Curated Info
23	Possemato A (2008) CST Curation Set: 3661; 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:pSXXXpS Curated Info
24	Molina H, et al. (2007) Global proteomic profiling of phosphopeptides using electron transfer dissociation tandem mass spectrometry. Proc Natl Acad Sci U S A 104, 2199-204 17287340 Curated Info