Ser423

Site Information
EssEPtGsPAPVIQH SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 3177666

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 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 )
Disease tissue studied:	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 ) , gastric cancer ( 10 , 11 , 12 , 13 , 14 , 15 , 19 , 20 , 21 , 22 , 23 , 24 ) , gastric carcinoma ( 10 , 11 , 12 , 13 , 14 , 15 , 19 , 20 , 21 , 22 , 23 , 24 ) , leukemia ( 30 ) , chronic myelogenous leukemia ( 30 ) , lung cancer ( 16 , 17 , 18 , 25 ) , non-small cell lung cancer ( 16 , 17 , 18 , 25 ) , non-small cell lung adenocarcinoma ( 18 , 25 ) , non-small cell squamous cell lung carcinoma ( 18 , 25 )
Relevant cell line - cell type - tissue:	breast ( 2 ) , Flp-In T-Rex-293 (epithelial) [PRKD1 (human), genetic knockin] ( 6 ) , Flp-In T-Rex-293 (epithelial) ( 6 ) , HeLa (cervical) ( 1 , 3 , 5 , 9 , 26 , 27 , 28 , 31 , 32 ) , HUES-9 ('stem, embryonic') ( 8 ) , Jurkat (T lymphocyte) ( 4 , 29 ) , K562 (erythroid) ( 5 , 30 ) , MKN-45 (gastric) ( 10 , 11 , 12 , 13 , 14 , 15 , 19 , 20 , 21 , 22 , 23 , 24 ) , NCI-H1703 (squamous) ( 18 , 25 ) , NCI-H3255 (pulmonary) ( 16 , 17 )

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	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. (2013) Integrated proteomic analysis of post-translational modifications by serial enrichment. Nat Methods 10, 634-7 23749302 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	Franz-Wachtel M, et al. (2012) Global detection of protein kinase D-dependent phosphorylation events in nocodazole-treated human cells. Mol Cell Proteomics 11, 160-70 22496350 Curated Info
7	Beli P, et al. (2012) Proteomic Investigations Reveal a Role for RNA Processing Factor THRAP3 in the DNA Damage Response. Mol Cell 46, 212-25 22424773 Curated Info
8	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
9	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
10	Moritz A (2010) CST Curation Set: 10617; Year: 2010; Biosample/Treatment: cell line, MKN-45/DMSO; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY]) Curated Info
11	Moritz A (2010) CST Curation Set: 10609; Year: 2010; Biosample/Treatment: cell line, MKN-45/Su11274; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY] Curated Info
12	Moritz A (2010) CST Curation Set: 10604; Year: 2010; Biosample/Treatment: cell line, MKN-45/Su11274; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY] Curated Info
13	Moritz A (2010) CST Curation Set: 10610; Year: 2010; Biosample/Treatment: cell line, MKN-45/Su11274; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY] Curated Info
14	Moritz A (2010) CST Curation Set: 10608; Year: 2010; Biosample/Treatment: cell line, MKN-45/Su11274; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY] Curated Info
15	Moritz A (2010) CST Curation Set: 10612; Year: 2010; Biosample/Treatment: cell line, MKN-45/DMSO; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY] Curated Info
16	Moritz A (2010) CST Curation Set: 10599; Year: 2010; Biosample/Treatment: cell line, NCI-H3255/DMSO; Disease: non-small cell lung cancer; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY] Curated Info
17	Moritz A (2010) CST Curation Set: 10598; Year: 2010; Biosample/Treatment: cell line, NCI-H3255/Su11274; Disease: non-small cell lung cancer; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY] Curated Info
18	Moritz A (2010) CST Curation Set: 10240; Year: 2010; Biosample/Treatment: cell line, NCI-H1703/DMSO; Disease: non-small cell lung cancer; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY] Curated Info
19	Moritz A (2010) CST Curation Set: 10021; Year: 2010; Biosample/Treatment: cell line, MKN-45/DMSO; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY]) Curated Info
20	Moritz A (2010) CST Curation Set: 10023; Year: 2010; Biosample/Treatment: cell line, MKN-45/Su11274; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY]) Curated Info
21	Moritz A (2010) CST Curation Set: 9374; Year: 2010; Biosample/Treatment: cell line, MKN-45/DMSO; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY]) Curated Info
22	Moritz A (2010) CST Curation Set: 9373; Year: 2010; Biosample/Treatment: cell line, MKN-45/Su11274; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY]) Curated Info
23	Moritz A (2010) CST Curation Set: 9279; Year: 2010; Biosample/Treatment: cell line, MKN-45/DMSO &'\|\|' Su11274; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY]) Curated Info
24	Moritz A (2010) CST Curation Set: 9234; Year: 2010; Biosample/Treatment: cell line, MKN-45/calyculin_A & pervanadate; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY]) Curated Info
25	Moritz A (2010) CST Curation Set: 9240; Year: 2010; Biosample/Treatment: cell line, NCI-H1703/untreated; Disease: non-small cell lung cancer; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY]) Curated Info
26	Moritz A (2010) CST Curation Set: 9237; Year: 2010; Biosample/Treatment: cell line, HeLa/nocodazole; Disease: cervical adenocarcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY]) Curated Info
27	Moritz A (2010) CST Curation Set: 9243; Year: 2010; Biosample/Treatment: cell line, HeLa/UV; Disease: cervical adenocarcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY]) Curated Info
28	Moritz A (2010) CST Curation Set: 9239; Year: 2010; Biosample/Treatment: cell line, HeLa/nocodazole; Disease: cervical adenocarcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY]) Curated Info
29	Moritz A (2010) CST Curation Set: 8838; Year: 2010; Biosample/Treatment: cell line, Jurkat/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
30	Moritz A (2010) CST Curation Set: 8837; Year: 2010; Biosample/Treatment: cell line, K562/untreated; Disease: chronic myelogenous 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
31	Dephoure N, et al. (2008) A quantitative atlas of mitotic phosphorylation. Proc Natl Acad Sci U S A 105, 10762-7 18669648 Curated Info
32	Ruse CI, et al. (2008) Motif-specific sampling of phosphoproteomes. J Proteome Res 7, 2140-50 18452278 Curated Info